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1997 1
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Page 1
Evaluation of in vivo supplementation of 2660 mg D-aspartic acid and 200 mg ubiquinol and 10 mg zinc on different semen parameters in idiopathic male infertility: a randomized double blind placebo controlled study.
GamalEl Din SF, A M E, Elkhiat Y, Hussein T, AbdElSalam MA, Alam A, Ramzy D, Moatamed I, Zeidan A, Elahwany A, Ragab MW, Zahran O, Saad H. GamalEl Din SF, et al. Arch Ital Urol Androl. 2025 Jun 30;97(2):13554. doi: 10.4081/aiua.2025.13554. Epub 2025 Apr 18. Arch Ital Urol Androl. 2025. PMID: 40248985 Free article. Clinical Trial.
Idiopathic male subfertility is the commonest cause in most cases. D-aspartic acid (D-Asp) is an endogenous amino acid occurring in several tissues and cells of both invertebrates and vertebrates. The current study is one of the first to evaluat …
Idiopathic male subfertility is the commonest cause in most cases. D-aspartic acid (D-Asp) is an endogenous amin …
Dietary supplementation with barley sprouts and d-aspartic acid improves reproductive hormone concentrations, testicular histology, antioxidant status, and mRNA expressions of apoptosis-related genes in aged broiler breeder roosters.
Barbarestani SY, Samadi F, Zaghari M, Pirsaraei ZA, Kastelic JP. Barbarestani SY, et al. Theriogenology. 2024 Jan 15;214:224-232. doi: 10.1016/j.theriogenology.2023.10.030. Epub 2023 Oct 31. Theriogenology. 2024. PMID: 37924739
The objective was to determine effects of dietary supplementation of barley sprouts (BS) and/or d-aspartic acid (DA) on the reproductive potential of aged broiler roosters. ...
The objective was to determine effects of dietary supplementation of barley sprouts (BS) and/or d-aspartic acid …
The effects of d-aspartic acid supplementation in resistance-trained men over a three month training period: A randomised controlled trial.
Melville GW, Siegler JC, Marshall PWM. Melville GW, et al. PLoS One. 2017 Aug 25;12(8):e0182630. doi: 10.1371/journal.pone.0182630. eCollection 2017. PLoS One. 2017. PMID: 28841667 Free PMC article. Clinical Trial.
CONTEXT: Research on d-aspartic acid (DAA) has demonstrated increases in total testosterone levels in untrained men, however research in resistance-trained men demonstrated no changes, and reductions in testosterone levels. ...INTERVENTION: D-aspart …
CONTEXT: Research on d-aspartic acid (DAA) has demonstrated increases in total testosterone levels in untrained men, ho …
D-aspartic acid supplementation combined with 28 days of heavy resistance training has no effect on body composition, muscle strength, and serum hormones associated with the hypothalamo-pituitary-gonadal axis in resistance-trained men.
Willoughby DS, Leutholtz B. Willoughby DS, et al. Nutr Res. 2013 Oct;33(10):803-10. doi: 10.1016/j.nutres.2013.07.010. Epub 2013 Aug 15. Nutr Res. 2013. PMID: 24074738 Clinical Trial.
It was hypothesized that D-aspartic acid (D-ASP) supplementation would not increase endogenous testosterone levels or improve muscular performance associated with resistance training. ...The gonadal hormones were unaffected by 28 days of D-ASP …
It was hypothesized that D-aspartic acid (D-ASP) supplementation would not increase endogenous testostero …
The Effects of Six-Gram D-Aspartic Acid Supplementation on the Testosterone, Cortisol, and Hematological Responses of Male Boxers Subjected to 11 Days of Nocturnal Exposure to Normobaric Hypoxia.
Płoszczyca K, Czuba M, Zakrzeska A, Gajda R. Płoszczyca K, et al. Nutrients. 2023 Dec 25;16(1):76. doi: 10.3390/nu16010076. Nutrients. 2023. PMID: 38201906 Free PMC article. Clinical Trial.
The aim of this study was to evaluate the effects of D-aspartic acid (DAA) supplementation during a simulated altitude protocol on the hormonal and hematological responses in athletes. We hypothesized that DAA supplementation would contribute to …
The aim of this study was to evaluate the effects of D-aspartic acid (DAA) supplementation during a simulated al …
Short-Term d-Aspartic Acid Supplementation Does Not Affect Serum Biomarkers Associated With the Hypothalamic-Pituitary-Gonadal Axis in Male Climbers.
Crewther B, Witek K, Draga P, Zmijewski P, Obmiński Z. Crewther B, et al. Int J Sport Nutr Exerc Metab. 2019 May 1;29(3):259-264. doi: 10.1123/ijsnem.2018-0076. Epub 2018 Sep 21. Int J Sport Nutr Exerc Metab. 2019. PMID: 29893592 Clinical Trial.
D-aspartic acid (DAA) is promoted as a testosterone (T) enhancing supplement by mechanisms involving the hypothalamic-pituitary-gonadal (HPG) axis. ...
D-aspartic acid (DAA) is promoted as a testosterone (T) enhancing supplement by mechanisms involving the hypothalamic-p …
Impacts of different antioxidants sources on semen quality and sperm fertilizing ability of Muscovy ducks under high ambient temperature.
Fouda SF, Khattab AAA, El Basuini MFM, El-Ratel IT. Fouda SF, et al. J Anim Physiol Anim Nutr (Berl). 2022 Sep;106(5):1060-1071. doi: 10.1111/jpn.13620. Epub 2021 Aug 6. J Anim Physiol Anim Nutr (Berl). 2022. PMID: 34363248
The potentiality of coenzyme Q10 (CoQ10), D-Aspartic acids (D-Asp), Maca or vitamin C, as antioxidant agents, to reduce negative impacts of high ambient temperature on semen quality, oxidative capacity and fertility of Muscovy ducks was investigated. ...The first gr …
The potentiality of coenzyme Q10 (CoQ10), D-Aspartic acids (D-Asp), Maca or vitamin C, as antioxidant agents, to reduce negati …
Epidural morphine plus ketamine for upper abdominal surgery: improved analgesia from preincisional versus postincisional administration.
Choe H, Choi YS, Kim YH, Ko SH, Choi HG, Han YJ, Song HS. Choe H, et al. Anesth Analg. 1997 Mar;84(3):560-3. doi: 10.1097/00000539-199703000-00017. Anesth Analg. 1997. PMID: 9052301 Clinical Trial.
Increased postoperative pain may be caused by central nervous system plasticity, which may be related to actions of N-methyl-D-aspartic acid (NMDA) receptors on neurons in the dorsal horn of the spinal cord. Opioids act mainly on presynaptic receptors and red …
Increased postoperative pain may be caused by central nervous system plasticity, which may be related to actions of N-methyl-D-asp …
Peripheral effects of the kappa-opioid agonist EMD 61753 on pain and inflammation in rats and humans.
Machelska H, Pflüger M, Weber W, Piranvisseh-Völk M, Daubert JD, Dehaven R, Stein C. Machelska H, et al. J Pharmacol Exp Ther. 1999 Jul;290(1):354-61. J Pharmacol Exp Ther. 1999. PMID: 10381799 Clinical Trial.
Patients treated with EMD 61753 (10 mg p.o.) tended to report an increase in pain, as evaluated by a visual analog scale and by the time to the first request for and the total amount of supplemental analgesic medication. The global tolerability of EMD 61753 was assessed as …
Patients treated with EMD 61753 (10 mg p.o.) tended to report an increase in pain, as evaluated by a visual analog scale and by the time to …