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Retrospective Drug Utilization Pattern of the Use of Antivirals and Its Outcome in Hospitalized COVID-19 Patients in a Tertiary Care Hospital in Mumbai From July to October 2020.
Marolia KR, Nerurkar RP. Marolia KR, et al. Cureus. 2026 May 8;18(5):e108478. doi: 10.7759/cureus.108478. eCollection 2026 May. Cureus. 2026. PMID: 42261530 Free PMC article.
Nutritional supplements (1536, 33.1%) were the most common concomitant drug class, with vitamin C being the most prescribed. Logistic regression showed that male gender and oxygen therapy were positively associated with clinical improvement. ...
Nutritional supplements (1536, 33.1%) were the most common concomitant drug class, with vitamin C being the most prescribed. Logistic …
"Comment on: Safety and Tolerability of Multimodal Therapy (Ivermectin, Doxycycline, Vitamin C, Vitamin D, and Zinc) With or Without Famotidine in Australian Patients With COVID-19 Infection: A Pilot Cohort Trial," for Potential Publication in the American Journal of Therapeutics.
Ali N, Attique M, Khan M, Ali A, Hussain A. Ali N, et al. Am J Ther. 2026 Jun 5. doi: 10.1097/MJT.0000000000002135. Online ahead of print. Am J Ther. 2026. PMID: 42244470 No abstract available.
Impact of the COVID-19 Pandemic on Growth, Nutrition, and Immune Function in Infants and Toddlers.
Lin Y, Kang D, Chen Q, Chen S. Lin Y, et al. Public Health Nutr. 2026 Jun 4:1-30. doi: 10.1017/S1368980026102808. Online ahead of print. Public Health Nutr. 2026. PMID: 42240009
RESULTS: No significant differences were observed in physical growth (weight, length, BMI) or macronutrient intake between cohorts. Pandemic-born children had lower vitamin A (437.0 vs. 540.0 mcg/day, p = 0.006) and B12 (2.7 vs. 3.4 mcg/day, p = 0.009) intake but higher …
RESULTS: No significant differences were observed in physical growth (weight, length, BMI) or macronutrient intake between cohorts. Pandemic …
Incidence of thoracic vertebral fracture in COVID 19 patients receiving intensive treatment for severe pneumonia.
Székely Á, Szabó M, Kardos Z, Nagy D, Oláh B, Tamáska P, Oláh Z, Oláh CZ. Székely Á, et al. Ideggyogy Sz. 2026 May 30;79(5-6):197-203. doi: 10.18071/isz.79.0197. Ideggyogy Sz. 2026. PMID: 42233464 Free article. English.
CONCLUSION: According to our retrospective study, with vitamin D supplementation, careful patient rotation, and complex intensive care, the rate of thoracic spine fractures in patients with very severe COVID pneumonia can be reduced to below 1%....
CONCLUSION: According to our retrospective study, with vitamin D supplementation, careful patient rotation, and complex intensive car …
Hormonal, metabolic and metabolomic biomarkers in long COVID.
Petropoulou D, Karampela I, Christodoulatos GS, Kounatidis D, Vallianou NG, Dalamaga M. Petropoulou D, et al. Adv Clin Chem. 2026;133:217-283. doi: 10.1016/bs.acc.2026.01.002. Epub 2026 Feb 24. Adv Clin Chem. 2026. PMID: 42215147 Review.
This review synthesizes current evidence on hormonal, metabolic, and metabolite biomarkers in LC. While vitamin D deficiency is prevalent in LC, being associated with neurocognitive symptoms, delayed recovery and poor physical performance, particularly in older adults, its …
This review synthesizes current evidence on hormonal, metabolic, and metabolite biomarkers in LC. While vitamin D deficiency is preva …
Post COVID-19 treated with AstraZeneca vaccine exacerbates arthritis with susceptibility to herpes in an older woman: A case report.
Guzman DC, Brizuela NO, Herrera MO, Peraza AV, García EH, Jimenez FT, Juarez Olguin H. Guzman DC, et al. Medicine (Baltimore). 2026 May 22;105(21):e48989. doi: 10.1097/MD.0000000000048989. Medicine (Baltimore). 2026. PMID: 42175450 Free PMC article.
She is currently recovering at home on a regimen of vitamins, acyclovir, and analgesics. While she has shown clinical improvement, some complications have emerged. ...
She is currently recovering at home on a regimen of vitamins, acyclovir, and analgesics. While she has shown clinical improvement, so …
The role of the endothelium in long COVID.
Tamariz L, Shehadeh LA, Bast E, Klimas N, Palacio A. Tamariz L, et al. Vascul Pharmacol. 2026 Jun;163:107654. doi: 10.1016/j.vph.2026.107654. Epub 2026 May 14. Vascul Pharmacol. 2026. PMID: 42140539 Review.
Many randomized trials have already found significant treatments for endothelial dysfunction and include antihypertensives, statins, beta-blockers, supplements and lifestyle interventions. Only two studies using vitamin C and L-arginine demonstrated improvements in flow me …
Many randomized trials have already found significant treatments for endothelial dysfunction and include antihypertensives, statins, beta-bl …
Nutritional status and selenium biomarkers in COVID-19.
Roldán-Bretón NR, Reyes-Pavón D, Leija-Montoya AG, Navarro-Ibarra MJ, González-Rascón AA, Mejía-León ME. Roldán-Bretón NR, et al. Nutrition. 2026 Sep;149:113144. doi: 10.1016/j.nut.2026.113144. Epub 2026 Feb 12. Nutrition. 2026. PMID: 42102765 Free article.
Dietary analysis showed both groups had elevated caloric intake, characterized by high consumption of total fats, saturated fats, and added sugars, concurrent with inadequate fiber and vitamin D intake. COVID-19 patients had selenium intake within recommendations. However, …
Dietary analysis showed both groups had elevated caloric intake, characterized by high consumption of total fats, saturated fats, and added …
Vitamin C for the management of COVID-19: a systematic review and meta-analysis of randomized controlled trials.
Abid H, Mushtaq I, Munir ABI, Shakil J, Vinjamuri S, Tadasare N, Kiran F, Muhammad Wali Mirza A, Fatima Khidri F, Shahid A, Ayyan M, Ehsan M, Cheema HA, Alsubari AMA, Sahra S, Siddiqi NI. Abid H, et al. Ann Med Surg (Lond). 2026 Mar 31;88(5):2869-2877. doi: 10.1097/MS9.0000000000004838. eCollection 2026 May. Ann Med Surg (Lond). 2026. PMID: 42078593 Free PMC article.
BACKGROUND: Vitamin C is a vital nutrient that functions as an antioxidant and is important as a co-factor and regulator of several immune system pathways. The role of vitamin C in the treatment of COVID-19 is largely debatable. We conducted this meta-analysis to ev …
BACKGROUND: Vitamin C is a vital nutrient that functions as an antioxidant and is important as a co-factor and regulator of several i …
Higher 25(OH)D Levels at Admission Predict a Favorable Disease Evolution in Moderate-to-Severe COVID-19 Patients.
Rizzi M, Vincenzi F, Tonello S, Rizzi E, Casciaro GF, Matino E, Costanzo M, Zecca E, Croce A, Pedrinelli A, Vassia V, Landi R, Zeqaj I, Boccafoschi F, Tillio PA, Rolla R, Dianzani U, Castello LM, Pirisi M, Colangelo D, Sainaghi PP. Rizzi M, et al. Int J Mol Sci. 2026 Apr 16;27(8):3541. doi: 10.3390/ijms27083541. Int J Mol Sci. 2026. PMID: 42074183 Free PMC article.
Research into effective predictive markers and therapeutic interventions for COVID-19 remains of considerable interest. Vitamin D may be relevant, especially in frail populations in whom deficiency is more prevalent. ...In conclusion, our findings support plasma vitamin …
Research into effective predictive markers and therapeutic interventions for COVID-19 remains of considerable interest. Vitamin D may …
COVID-19 disruptions and spring surges: an interrupted time-series analysis of tuberculosis diagnostic challenges in Northeast Iran.
Izadi N, Alizadeh F, Meshkat Z, Ghazvini K, Menbari S, Aryan E. Izadi N, et al. Sci Rep. 2026 May 2. doi: 10.1038/s41598-026-45863-w. Online ahead of print. Sci Rep. 2026. PMID: 42069804 Free article.
Seasonal peaks in spring (27.8\%) are hypothesized to result from post-winter Vitamin D troughs and social gatherings during Nowruz. These findings emphasize the importance of geriatric-focused screening, multimodal diagnostic protocols, and pandemic-resilient TB surveilla …
Seasonal peaks in spring (27.8\%) are hypothesized to result from post-winter Vitamin D troughs and social gatherings during Nowruz. …
Serum IL-6 and IL-18 responses in COVID-19 in children: the role of vitamin D status in a cohort from Azerbaijan.
Huseynova IY, Hasanov AQ, Sultanova NH, Mammadova FM, Taghi-Zada TQ, Suleymanli AA, Gafarov IA. Huseynova IY, et al. Front Pediatr. 2026 Apr 13;14:1777675. doi: 10.3389/fped.2026.1777675. eCollection 2026. Front Pediatr. 2026. PMID: 42051941 Free PMC article.
INTRODUCTION: Coronavirus disease 2019 (COVID-19) may trigger inflammatory responses in children, and vitamin D is known to play an important role in immune regulation. METHODS: This study investigated the effects of COVID-19 infection and vitamin D status on inflam …
INTRODUCTION: Coronavirus disease 2019 (COVID-19) may trigger inflammatory responses in children, and vitamin D is known to play an i …
Symptom Severity and Duration of COVID-19 Are Correlated with the Healthy Eating Index (HEI) Among Hospitalized Elderly Patients.
Khosronia A, Morvaridi M, Aryaeian N, Roudbari M, Farokhnezhad Afshar P. Khosronia A, et al. Med J Islam Repub Iran. 2025 Nov 5;39:142. doi: 10.47176/mjiri.39.142. eCollection 2025. Med J Islam Repub Iran. 2025. PMID: 42021816 Free PMC article.

Higher Healthy Eating Index (HEI) scores were significantly associated with greater weight, body mass index (BMI), and nutrient intake, including energy, protein, vitamin D, and riboflavin (P < 0.05 for all). Symptom severity varied across HEI quartiles, with significan

…
Higher Healthy Eating Index (HEI) scores were significantly associated with greater weight, body mass index (BMI), and nutrient intake, incl …
Acute SARS-CoV-2 viral load and systemic inflammation are associated with neuropsychiatric and musculoskeletal symptoms in long COVID.
Abbas U, Laghari RN, Ahmed I, Musawwir UA, Riaz H, Anwar K, Hussain N, Mubeen M, Khan M, Khalid MU, Ashraf S. Abbas U, et al. PLoS One. 2026 Apr 15;21(4):e0346978. doi: 10.1371/journal.pone.0346978. eCollection 2026. PLoS One. 2026. PMID: 41984770 Free PMC article.
Other measurements including inflammatory markers such as IL-6, IL-10, ferritin and C-reactive protein along with electrolytes, vitamin D3 and B12, and lipid profile, were also compared. SARS-CoV-2 viral load was assessed retrospectively. ...In multivariable logistic regre …
Other measurements including inflammatory markers such as IL-6, IL-10, ferritin and C-reactive protein along with electrolytes, vitamin …
Impact of pre-vaccination active vitamin D levels on COVID-19 mRNA vaccine-induced immunity in a Japanese cohort.
Hirakawa T, Yamada G, Tokiya M, Furukawa T, Iwasaka C, Sawada T, Tsujita T, Kido MA, Hirota Y, Hara M, Matsumoto A. Hirakawa T, et al. Vaccine. 2026 May 10;81:128576. doi: 10.1016/j.vaccine.2026.128576. Epub 2026 Apr 13. Vaccine. 2026. PMID: 41980287 Free article.
BACKGROUND/OBJECTIVES: Blood vitamin D levels have been linked to COVID-19 severity; however, the effects of unsupplemented vitamin D levels in the serum on vaccine immunogenicity remain limited. ...However, despite the growing interest in deficiency, we failed to e …
BACKGROUND/OBJECTIVES: Blood vitamin D levels have been linked to COVID-19 severity; however, the effects of unsupplemented vitami …
Ten-Year Trends in Serum 25-Hydroxyvitamin D in Slovenia (2014-2023): Laboratory-Based Data from Tested Individuals and COVID-19-Period Changes.
Osredkar J, Siuka D, Jerin A, Štabuc B, Godnov U. Osredkar J, et al. Nutrients. 2026 Apr 7;18(7):1168. doi: 10.3390/nu18071168. Nutrients. 2026. PMID: 41978218 Free PMC article.
BACKGROUND: Vitamin D status is influenced by season, age, and public health messaging. The COVID-19 pandemic was accompanied by heightened interest in vitamin D, but long-term national data from Central/Eastern Europe remain limited. ...Seasonal variation was prono …
BACKGROUND: Vitamin D status is influenced by season, age, and public health messaging. The COVID-19 pandemic was accompanied by heig …
Vitamin D in health and disease and potential shield against COVID-19.
Gupta J, Pinjari D, Aggarwal Y, Kumar D, Syal K, Bhattacharyya R, Banerjee D. Gupta J, et al. Adv Clin Chem. 2026;132:223-254. doi: 10.1016/bs.acc.2025.12.001. Epub 2026 Feb 12. Adv Clin Chem. 2026. PMID: 41922045 Review.
Certain laboratory studies and observational research suggest that vitamin D supplementation may lower the risk of developing serious illnesses. Unfortunately, clinical studies have generated mixed results. ...Another promising domain is the utilization of vitamin D …
Certain laboratory studies and observational research suggest that vitamin D supplementation may lower the risk of developing serious …
Comparison of Immune Activation and Gut Barrier Dysfunction between Long COVID and HIV infection.
Koberssy Z, Daher J, Durieux JC, Atieh O, Baissary J, Abboud M, Ailstock K, Cummings M, Funderburg N, McComsey GA. Koberssy Z, et al. J Infect Dis. 2026 Mar 31:jiag146. doi: 10.1093/infdis/jiag146. Online ahead of print. J Infect Dis. 2026. PMID: 41914490
Plasma samples were analyzed for inflammatory, gut integrity biomarkers, and dephosphorylated-uncarboxylated Matrix Gla Protein (dp-ucMGP) as an established marker of vitamin K status. Associations were assessed using multivariable linear and logistic regression models adj …
Plasma samples were analyzed for inflammatory, gut integrity biomarkers, and dephosphorylated-uncarboxylated Matrix Gla Protein (dp-ucMGP) a …
Beyond the basics: exploring non-conventional treatment for fatigue in post-acute COVID-19 syndrome.
Hajji H, Kalai A, Chaabeni A, Migaou H, Jebali B, Ben Salah Frih Z, Ben Saad H, Jellad A. Hajji H, et al. Tunis Med. 2025 Sep 9;103(9):1265-1271. doi: 10.62438/tunismed.v103i9.5926. Tunis Med. 2025. PMID: 41848128 Free article. Review.
Melatonin and QingjinYiqi have shown notable improvements in fatigue and overall health. Nutritional supplements such as vitamin-minerals combinations have demonstrated enhancements in muscle strength, physical performance, and quality of life. ...
Melatonin and QingjinYiqi have shown notable improvements in fatigue and overall health. Nutritional supplements such as vitamin-mine …
Vitamin D Supplementation Improves Serological Parameters and Recovery Outcomes in COVID-19 Patients.
Chen Z, Sheng J, Ma Q, Wang W, Wang L, Yang L, Liu L. Chen Z, et al. Endocr Metab Immune Disord Drug Targets. 2026 Mar 11. doi: 10.2174/0118715303457486260113044737. Online ahead of print. Endocr Metab Immune Disord Drug Targets. 2026. PMID: 41832984
Participants were stratified into standard treatment (n=150) and vitamin D supplementation (n=150) groups. Outcomes included clinical recovery and improvements in laboratory, etiological, and imaging findings. ...Symptom resolution and viral clearance times were significan …
Participants were stratified into standard treatment (n=150) and vitamin D supplementation (n=150) groups. Outcomes included clinical …
A Randomized Trial of Vitamin D Supplementation and COVID-19 Clinical Outcomes and Long COVID: The Vitamin D for COVID-19 Trial.
Ganmaa D, Cook KA, Khudyakov P, Enkhjargal D, Bilegtsaikhan T, Mayer KH, Clar A, Rueschman M, Balasubramanian R, Hazra A, Sesso HD, Stone VE, Copeland P, Friedenberg G, Smith DC, Lei Q, Lee T, McDonald EG, Enkhtsetseg T, Sumiya E, Narankhuu Y, Erdenetuya M, Tserendagva D, Landberg R, Roxhed N, Lagerström SR, Manson JE. Ganmaa D, et al. J Nutr. 2026 Apr;156(4):101398. doi: 10.1016/j.tjnut.2026.101398. Epub 2026 Mar 12. J Nutr. 2026. PMID: 41826107 Clinical Trial.
BACKGROUND: Data from randomized controlled trials of vitamin D(3) supplementation in modifying the course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections are sparse. OBJECTIVES: We evaluated the effect of vitamin D(3) supplementation on h …
BACKGROUND: Data from randomized controlled trials of vitamin D(3) supplementation in modifying the course of severe acute respirator …
Comparative Study on the Effect of Vitamin D Deficiency on Platelet Indices in COVID-19 and Hepatitis C Patients; an Observational Comparative Study.
Motaghi M, Ghaffari K, Mansori M, Ghasemi A. Motaghi M, et al. Health Sci Rep. 2026 Feb 28;9(3):e71945. doi: 10.1002/hsr2.71945. eCollection 2026 Mar. Health Sci Rep. 2026. PMID: 41773207 Free PMC article.

Also, a significant negative correlation was observed between vitamin D levels and MPV in both groups (p < 0.001). In patients with vitamin D deficiency, PLT and inflammatory changes were more pronounced in COVID-19 than in HCV. CONCLUSION: The results of this st

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Also, a significant negative correlation was observed between vitamin D levels and MPV in both groups (p < 0.001). In patients wit

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Association between serum vitamins and COVID-19 infection: a cross-sectional study of healthcare workers in a Nigerian tertiary hospital.
Adetunji TA, Jeje OA, Ojo TO, Smith OS, Olarewaju OJ, Akanji BO, Fajobi O, Olumakinde TS, Sule WF, Akinde SB, Bolarinwa RA. Adetunji TA, et al. BMC Infect Dis. 2026 Feb 28;26(1):718. doi: 10.1186/s12879-026-12959-7. BMC Infect Dis. 2026. PMID: 41764452 Free PMC article.
Socio-demographic data and venous blood of all participants were collected for biochemical assay of both fat- and water-soluble vitamins A, D, E, K, and Vitamins B(1), B(2), B(5,) B(6), B(9,) B(12) and C, respectively, using high-performance liquid chromatography. . …
Socio-demographic data and venous blood of all participants were collected for biochemical assay of both fat- and water-soluble vitamins …
Comparative urinary metabolomics reveals unique and shared pathways in COVID-19 and liver diseases.
Juyal G, Khan F, Siddiqui S, Rehman A, Madhumalar A, Mirsamadi N, Jhingan GD, Bihari C, Joshi MC. Juyal G, et al. Metabolomics. 2026 Feb 27;22(2):30. doi: 10.1007/s11306-026-02394-9. Metabolomics. 2026. PMID: 41758429 Free PMC article.
COVID-19 patients showed suppression of Vitamin B6 and purine metabolism, indicating impaired energy production and antioxidant defense. ...
COVID-19 patients showed suppression of Vitamin B6 and purine metabolism, indicating impaired energy production and antioxidant defen …
Vitamin D in Infectious Diseases: A Narrative Review Focusing on COVID-19, Long COVID, and Influenza.
Caliman-Sturdza OA, Gheorghita RE, Soldanescu I, Dimian M, Mangul S. Caliman-Sturdza OA, et al. Nutrients. 2026 Feb 14;18(4):634. doi: 10.3390/nu18040634. Nutrients. 2026. PMID: 41754151 Free PMC article. Review.
In the case of influenza, a limited number of randomized controlled trials (RCTs) and meta-analyses report a modest but statistically significant reduction in infection risk, especially with daily or weekly vitamin D supplementation in populations with low baseline vita …
In the case of influenza, a limited number of randomized controlled trials (RCTs) and meta-analyses report a modest but statistically signif …
Integrative Vitamin D-Inflammatory-Coagulation Biomarker Index Predicts COVID-19 Severity: Development and Validation of the Vitamin D Inflammatory Burden Score (VDIBS).
Osredkar J, Godnov U, Siuka D. Osredkar J, et al. Int J Mol Sci. 2026 Feb 12;27(4):1770. doi: 10.3390/ijms27041770. Int J Mol Sci. 2026. PMID: 41751905 Free PMC article.
Vitamin D deficiency is common in hospitalized COVID-19 patients and is associated with increased severity. ...An incremental value analysis demonstrated that the vitamin D component contributes a significant additional predictive value compared to inflammation/coag …
Vitamin D deficiency is common in hospitalized COVID-19 patients and is associated with increased severity. ...An incremental value a …
Impact of nutrition on long COVID.
Thangaleela S, Wang CK. Thangaleela S, et al. Sports Med Health Sci. 2025 Sep 5;8(2):128-144. doi: 10.1016/j.smhs.2025.09.002. eCollection 2026 Mar. Sports Med Health Sci. 2025. PMID: 41737593 Free PMC article. Review.
Effective interventions like supplementation of omega-3 fatty acid, macro and micro nutrients, and vitamins help to reduce systemic inflammation and counteract muscle wasting. Other approaches like nutritional recovery, dietetic interventions, continuous nutritional care p …
Effective interventions like supplementation of omega-3 fatty acid, macro and micro nutrients, and vitamins help to reduce systemic i …
VDR mRNA Expression And Serum Vitamin D Levels in Post-Covid Vaccinated Patients.
Shende S, Rathored J. Shende S, et al. F1000Res. 2026 Feb 14;13:349. doi: 10.12688/f1000research.144077.2. eCollection 2024. F1000Res. 2026. PMID: 41717585 Free PMC article.
This research explores the dynamic interplay among VDR mRNA expression levels, calcium (ionized and total), and intact parathyroid hormone (iPTH) concentrations in individuals post-COVID-19 vaccination. The Vitamin D Receptor (VDR) plays a pivotal role in immune regulation …
This research explores the dynamic interplay among VDR mRNA expression levels, calcium (ionized and total), and intact parathyroid hormone ( …
The Impact of the COVID-19 Pandemic on Osteoporosis Diagnosis and Treatment in Iran: A National Study.
Hajivalizadeh S, Sanjari M, Khalagi K, Mansourzadeh MJ, Shahsavari S, Aghakhani A, Effatpanah M, Shahali Z, Hajivalizadeh F, Zarepour P, Montazerlotf P, Hesari E, Fahimfar N, Ostovar A. Hajivalizadeh S, et al. Int J Endocrinol Metab. 2025 Oct 31;23(4):e165816. doi: 10.5812/ijem-165816. eCollection 2025 Oct 31. Int J Endocrinol Metab. 2025. PMID: 41716866 Free PMC article.
Data on the number of prescriptions for bone mineral density (BMD) tests, osteoporosis-related lab tests (serum vitamin D level and serum calcium level), and medications (alendronate and calcitonin) were obtained from the Iran Health Insurance Organization (IHIO) dataset f …
Data on the number of prescriptions for bone mineral density (BMD) tests, osteoporosis-related lab tests (serum vitamin D level and s …
Bone health up to five years after Roux-en-Y gastric bypass: a cross-sectional study during the COVID-19 pandemic.
Oliveira AN, Hortencio TDR, Ferreira DVM, Reis KSSCD, Nogueira RJN. Oliveira AN, et al. Acta Cir Bras. 2026 Feb 16;41:e411426. doi: 10.1590/acb411426. eCollection 2026. Acta Cir Bras. 2026. PMID: 41711796 Free PMC article.
METHODS: In a sample of 22 obese patients undergoing RYGB surgery, evaluation of bone densitometry (BD) and plasma levels of calcium, phosphorus, magnesium, vitamin D (VITD), parathyroid hormone (PTH), alkaline phosphatase, and albumin was performed. ...
METHODS: In a sample of 22 obese patients undergoing RYGB surgery, evaluation of bone densitometry (BD) and plasma levels of calcium, phosph …
Safety and Tolerability of Multimodal Therapy (Ivermectin, Doxycycline, Vitamin C, Vitamin D, and Zinc) With or Without Famotidine in Australian Patients With COVID-19 Infection: A Pilot Cohort Trial.
McLindon LA, Ried K, Wauchope B, Murnane L, Harradine E, Seman J. McLindon LA, et al. Am J Ther. 2026 Mar-Apr 01;33(2):e121-e131. doi: 10.1097/MJT.0000000000002118. Epub 2026 Feb 13. Am J Ther. 2026. PMID: 41693032 Free PMC article. Clinical Trial.
The multimodal therapy of ivermectin, doxycyline, zinc, vitamin C, and vitamin D 3 was given as core therapy (group-1), or core therapy plus famotidine (group-2) for 10 days in a randomized masked controlled fashion. ...
The multimodal therapy of ivermectin, doxycyline, zinc, vitamin C, and vitamin D 3 was given as core therapy (group-1), or cor …
Vitamin D in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome After COVID-19 or Vaccination: A Randomized Controlled Trial.
Kodama S, Nakata M, Konishi N, Yoshino M, Fujisawa A, Naganuma M, Kobayashi Y, Hirai Y, Kitagawa A, Miyokawa M, Mishima R, Teramukai S, Fukushima M. Kodama S, et al. Nutrients. 2026 Feb 3;18(3):521. doi: 10.3390/nu18030521. Nutrients. 2026. PMID: 41683343 Free PMC article. Clinical Trial.
In our prior retrospective study, most patients with PVS who developed ME/CFS had vitamin D insufficiency or deficiency. We evaluated the efficacy of vitamin D replacement therapy guidance for ME/CFS symptom improvement in patients with vitamin D insufficienc …
In our prior retrospective study, most patients with PVS who developed ME/CFS had vitamin D insufficiency or deficiency. We evaluated …
Visual Outcomes and Retinal Nerve Fiber Layer Changes Following Methanol Induced Optic Neuropathy: A Covid-19 Era Experience.
Shirvani M, Mohammadi M, Khalili M, Emadi Z, Ghoshouni H, Gohari M, Fathian A, Attar A. Shirvani M, et al. Neuroophthalmology. 2025 Aug 14;50(1):45-55. doi: 10.1080/01658107.2025.2544336. eCollection 2026. Neuroophthalmology. 2025. PMID: 41640495 Free article.
The treatment included acid-base correction, hemodialysis, ethanol administration, erythropoietin, corticosteroids, and vitamin supplementation. Clinical and laboratory as well as comprehensive ophthalmologic examinations and high-definition optical coherence tomography (O …
The treatment included acid-base correction, hemodialysis, ethanol administration, erythropoietin, corticosteroids, and vitamin suppl …
Dynamic Clinical and Laboratory Predictors of in-Hospital Mortality in COVID-19: A Multivariate Cox Regression Study.
Arabadzhiyska D, Deneva T, Stefanov R, Stoencheva S. Arabadzhiyska D, et al. Biomedicines. 2025 Dec 19;14(1):7. doi: 10.3390/biomedicines14010007. Biomedicines. 2025. PMID: 41595544 Free PMC article.

On Day 7, predictive significance shifted: in severe cases, mortality was independently associated with sex, PCT, eosinophil percentage, ferritin, vitamin D, and gamma-glutamyl transferase (GGT) (chi(2) = 69.47, p < 0.0001). In the total cohort, age, PCT, interleukin-6

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On Day 7, predictive significance shifted: in severe cases, mortality was independently associated with sex, PCT, eosinophil percentage, fer …
The role of vitamin D for COVID-19.
Wang PH, Liu CH, Yang ST. Wang PH, et al. J Chin Med Assoc. 2026 Mar 1;89(3):183-184. doi: 10.1097/JCMA.0000000000001343. Epub 2026 Jan 21. J Chin Med Assoc. 2026. PMID: 41559868 Free PMC article. No abstract available.
The APOLLO trial: a proof-of-concept study for vitamin A nasal drops in COVID-19-related postinfectious olfactory dysfunction.
Yeap ZH, Sobhan R, Bengtsson SL, Sami S, Clark AB, Vishwakarma R, Boardman J, High J, Klyvyte G, Ergisi M, Hummel T, Philpott CM. Yeap ZH, et al. Chem Senses. 2026 Mar 2;51:bjag001. doi: 10.1093/chemse/bjag001. Chem Senses. 2026. PMID: 41555643 Free PMC article. Clinical Trial.
This 2-arm double-blinded randomized controlled trial (RCT) aimed to establish proof-of-concept for vitamin A versus placebo as a treatment modality for patients with PIOD. This study compared 9,000 IU daily self-administered vitamin A intranasal drops versus peanut …
This 2-arm double-blinded randomized controlled trial (RCT) aimed to establish proof-of-concept for vitamin A versus placebo as a tre …
Impact of a vitamin D supplementation initiative in an NHS prison health care service during the COVID-19 pandemic.
Dima A, McKinnon I, Whiting D, Tully J. Dima A, et al. Int J Prison Health (2024). 2026 Jun 2;22(2):221-230. doi: 10.1108/IJOPH-06-2025-0045. Int J Prison Health (2024). 2026. PMID: 41549738
Vitamin D was found to be protective against Covid-19 during the pandemic. As a response, Nottinghamshire Healthcare NHS Foundation Trust implemented a vitamin D supplementation policy across three prison health-care settings in the UK. ...Mean vitamin D leve …
Vitamin D was found to be protective against Covid-19 during the pandemic. As a response, Nottinghamshire Healthcare NHS Foundation T …
Role of Vitamin D Levels in COVID-19 Disease Severity: A Multicenter Retrospective Study from Qatar.
Jazar AS, Alalaween RB, Al-Saadi RK, Aljaffali NM, Al Arabi ZA, Ghabashi MA, Azzeh FS. Jazar AS, et al. Pak J Biol Sci. 2025 Dec;28(10):640-648. doi: 10.3923/pjbs.2025.640.648. Pak J Biol Sci. 2025. PMID: 41508942
&lt;b&gt;Background and Objective:&lt;/b&gt; Up to now, evidence remains inconclusive about how vitamin D (VD) status relates to the severity of COVID-19 among hospitalized patients. ...
<b>Background and Objective:</b> Up to now, evidence remains inconclusive about how vitamin D (VD) status …
Characterization of COVID-19 patients in clinical, epidemiological, and laboratory settings: the role of vitamin D binding protein and vitamin D level in severity.
Al-Noori AS, Salih AM, Merza MA. Al-Noori AS, et al. Cell Mol Biol (Noisy-le-grand). 2025 Dec 28;71(12):39-48. doi: 10.14715/cmb/2025.71.12.6. Cell Mol Biol (Noisy-le-grand). 2025. PMID: 41456264
There are contradictory findings on the role of vitamin D-binding protein in COVID-19 development, disease severity, and outcomes. Therefore, we aimed to explore the association between the serum vitamin D level, DBP, and the COVID-19 severity and outcomes. In this …
There are contradictory findings on the role of vitamin D-binding protein in COVID-19 development, disease severity, and outcomes. Th …
Nutritional and inflammatory biomarkers for COVID-19 susceptibility: a focus on vitamin D, potassium, and hematological indices.
Khajebishak Y, Soleimani A, Madani S, Tanomand A, Ashrafi M, Badri Y, Norouz Yeganeh A, Payahoo L. Khajebishak Y, et al. BMC Infect Dis. 2025 Dec 23;26(1):164. doi: 10.1186/s12879-025-12297-0. BMC Infect Dis. 2025. PMID: 41436955 Free PMC article.

Creatinine levels were significantly lower in the COVID-19 group (p = 0.033). Additionally, the median vitamin D level was significantly lower in the COVID-19 group (33.0 ng/mL, IQR: 22.0-45.0; p < 0.001). ...CONCLUSION: A practical clinical approach to potentially redu

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Creatinine levels were significantly lower in the COVID-19 group (p = 0.033). Additionally, the median vitamin D level was significan …
Cardiovascular damage and comorbidities related to long COVID: pathomechanisms, prevention, and therapy.
Kvandova M, Balis P, Kalocayova B, Vlkovicova J, Dobrodenkova S, Puzserova A. Kvandova M, et al. Front Cardiovasc Med. 2025 Dec 3;12:1671951. doi: 10.3389/fcvm.2025.1671951. eCollection 2025. Front Cardiovasc Med. 2025. PMID: 41415584 Free PMC article. Review.
Based on current literature this review aims to provide an up-to-date overview of the pathomechanisms affecting the cardiovascular system and the potential role of selected micronutrients, vitamins and minerals, and flavonoids as preventive and therapeutic strategies in LC …
Based on current literature this review aims to provide an up-to-date overview of the pathomechanisms affecting the cardiovascular system an …
Use of Complementary and Alternative Medicine Among Diabetic Patients During the COVID-19 Pandemic: The Case of Turkey.
Çetindağ E, Kavurmaci M. Çetindağ E, et al. Altern Ther Health Med. 2025 Dec 16:AT11612. Online ahead of print. Altern Ther Health Med. 2025. PMID: 41411141
The commonly preferred practices included drinking herbal tea (68.0%), consuming a variety of vegetables and fruits (54.3%), using probiotic products (37%), taking vitamin and nutritional supplements (23%), and engaging in prayer (65.7%). Hygiene practices mainly included …
The commonly preferred practices included drinking herbal tea (68.0%), consuming a variety of vegetables and fruits (54.3%), using probiotic …
The long-term effects of COVID-19 on oxygen carrying capacity in adults at the University of Limpopo, South Africa.
Mkhabela K, Van Staden M, Chetty YY. Mkhabela K, et al. Front Med (Lausanne). 2025 Nov 24;12:1636141. doi: 10.3389/fmed.2025.1636141. eCollection 2025. Front Med (Lausanne). 2025. PMID: 41368314 Free PMC article.
Furthermore, a food frequency questionnaire (FFQ) was administered to determine the daily intake of iron, folic acid, and vitamin B(12) to observe if the diet might have had an influence on Hb and Hct. RESULTS: The results show a trend for a low Hct is common in females wh …
Furthermore, a food frequency questionnaire (FFQ) was administered to determine the daily intake of iron, folic acid, and vitamin B(1 …
Vaccination and vitamin D in relation to disease severity and mortality in patients with COVID-19 disease: a follow-up study.
Al-Noori AS, Salih AM, Merza MA. Al-Noori AS, et al. Cell Mol Biol (Noisy-le-grand). 2025 Dec 6;71(11):100-108. doi: 10.14715/cmb/2025.71.11.13. Cell Mol Biol (Noisy-le-grand). 2025. PMID: 41351365
The objective of this study was to examine the effects of vitamin D and vaccination on mortality and disease severity in patients with COVID-16. ...Common symptoms were shortness of breath (66.67%), cough (75.68%), chest pain (60.81%), fatigue (52.7%), and anorexia (50.0%) …
The objective of this study was to examine the effects of vitamin D and vaccination on mortality and disease severity in patients wit …
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