Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1921 2
1923 2
1924 4
1925 7
1926 5
1927 9
1928 12
1929 12
1930 18
1931 17
1932 7
1933 15
1934 9
1935 26
1936 17
1937 27
1938 27
1939 31
1940 14
1941 17
1942 11
1943 11
1944 15
1945 14
1946 53
1947 40
1948 80
1949 161
1950 97
1951 180
1952 147
1953 97
1954 74
1955 80
1956 76
1957 83
1958 79
1959 327
1960 515
1961 489
1962 557
1963 528
1964 711
1965 316
1966 141
1967 140
1968 97
1969 148
1970 114
1971 179
1972 231
1973 126
1974 92
1975 91
1976 82
1977 70
1978 64
1979 68
1980 58
1981 58
1982 48
1983 52
1984 49
1985 41
1986 42
1987 46
1988 54
1989 74
1990 65
1991 66
1992 55
1993 66
1994 54
1995 54
1996 47
1997 55
1998 51
1999 100
2000 147
2001 162
2002 215
2003 244
2004 256
2005 204
2006 234
2007 297
2008 311
2009 376
2010 358
2011 385
2012 409
2013 219
2014 165
2015 200
2016 287
2017 500
2018 515
2019 545
2020 590
2021 606
2022 586
2023 580
2024 626
2025 263

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

15,969 results

Results by year

Filters applied: . Clear all
Page 1
Vitamin B(12) sources and microbial interaction.
Watanabe F, Bito T. Watanabe F, et al. Exp Biol Med (Maywood). 2018 Jan;243(2):148-158. doi: 10.1177/1535370217746612. Epub 2017 Dec 7. Exp Biol Med (Maywood). 2018. PMID: 29216732 Free PMC article. Review.
Vitamin B(12) is synthesized only by certain bacteria and archaeon, but not by plants. ...In particular, the meat and milk of herbivorous ruminant animals (e.g. cattle and sheep) are good sources of vitamin B(12) for humans. Ruminants acquire vitami
Vitamin B(12) is synthesized only by certain bacteria and archaeon, but not by plants. ...In particular, the meat and milk of
Vitamin B-12 and the Gastrointestinal Microbiome: A Systematic Review.
Guetterman HM, Huey SL, Knight R, Fox AM, Mehta S, Finkelstein JL. Guetterman HM, et al. Adv Nutr. 2022 Mar;13(2):530-558. doi: 10.1093/advances/nmab123. Epub 2023 Feb 10. Adv Nutr. 2022. PMID: 34612492 Free PMC article.
However, the impact of vitamin B-12 on the gut microbiome has not been established. This systematic review was conducted to examine the evidence that links vitamin B-12 and the gut microbiome. ...To date, few prospective observational studies and no ra …
However, the impact of vitamin B-12 on the gut microbiome has not been established. This systematic review was conducted to ex …
Oral vitamin B(12) versus intramuscular vitamin B(12) for vitamin B(12) deficiency.
Wang H, Li L, Qin LL, Song Y, Vidal-Alaball J, Liu TH. Wang H, et al. Cochrane Database Syst Rev. 2018 Mar 15;3(3):CD004655. doi: 10.1002/14651858.CD004655.pub3. Cochrane Database Syst Rev. 2018. PMID: 29543316 Free PMC article.
BACKGROUND: Vitamin B(12) deficiency is common, and the incidence increases with age. Most people with vitamin B(12) deficiency are treated in primary care with intramuscular (IM) vitamin B(12). ...In two trials employing 1000 mug/day ora …
BACKGROUND: Vitamin B(12) deficiency is common, and the incidence increases with age. Most people with vitamin B
Vitamin B(12) Metabolism: A Network of Multi-Protein Mediated Processes.
Mucha P, Kus F, Cysewski D, Smolenski RT, Tomczyk M. Mucha P, et al. Int J Mol Sci. 2024 Jul 23;25(15):8021. doi: 10.3390/ijms25158021. Int J Mol Sci. 2024. PMID: 39125597 Free PMC article. Review.
It leads to difficulties in the early diagnosis of vitamin B(12) deficiency. A prolonged lack of vitamin B(12) may have severe consequences including increased morbidity to neurological and cardiovascular diseases. ...We also discuss clinical warnings …
It leads to difficulties in the early diagnosis of vitamin B(12) deficiency. A prolonged lack of vitamin B(12) m …
Emerging Roles of Vitamin B(12) in Aging and Inflammation.
Simonenko SY, Bogdanova DA, Kuldyushev NA. Simonenko SY, et al. Int J Mol Sci. 2024 May 6;25(9):5044. doi: 10.3390/ijms25095044. Int J Mol Sci. 2024. PMID: 38732262 Free PMC article. Review.
In this review, we focus on a comprehensive analysis of molecular mechanisms through which vitamin B(12) influences aging. We review new data about how deficiency in vitamin B(12) may accelerate cellular aging. Despite indications that vitamin
In this review, we focus on a comprehensive analysis of molecular mechanisms through which vitamin B(12) influences aging. We …
The importance of vitamin B(12) for individuals choosing plant-based diets.
Niklewicz A, Smith AD, Smith A, Holzer A, Klein A, McCaddon A, Molloy AM, Wolffenbuttel BHR, Nexo E, McNulty H, Refsum H, Gueant JL, Dib MJ, Ward M, Murphy M, Green R, Ahmadi KR, Hannibal L, Warren MJ, Owen PJ; CluB-12. Niklewicz A, et al. Eur J Nutr. 2023 Apr;62(3):1551-1559. doi: 10.1007/s00394-022-03025-4. Epub 2022 Dec 5. Eur J Nutr. 2023. PMID: 36469110 Free PMC article.
Vitamin B(12) is an essential nutrient that is not made by plants; consequently, unfortified plant-based foods are not a reliable supply. ...However, the current UK recommended nutrient intake for vitamin B(12) does not adequately consider the vitam
Vitamin B(12) is an essential nutrient that is not made by plants; consequently, unfortified plant-based foods are not a relia
Vitamin B-12 malabsorption and renal function are critical considerations in studies of folate and vitamin B-12 interactions in cognitive performance: NHANES 2011-2014.
Samson ME, Yeung LF, Rose CE, Qi YP, Taylor CA, Crider KS. Samson ME, et al. Am J Clin Nutr. 2022 Jul 6;116(1):74-85. doi: 10.1093/ajcn/nqac065. Am J Clin Nutr. 2022. PMID: 35584808 Free PMC article.
Among participants with high folate and insufficient vitamin B-12 concentrations, 34.3% 11.5% (mean SEE) reported taking vitamin B-12-containing supplements. ...Consumption of vitamin B-12 supplements concurrent with low vitamin
Among participants with high folate and insufficient vitamin B-12 concentrations, 34.3% 11.5% (mean SEE) reported taking vi
Vitamin B12 in health and disease.
O'Leary F, Samman S. O'Leary F, et al. Nutrients. 2010 Mar;2(3):299-316. doi: 10.3390/nu2030299. Epub 2010 Mar 5. Nutrients. 2010. PMID: 22254022 Free PMC article. Review.
Vitamin B(12) is essential for DNA synthesis and for cellular energy production.This review aims to outline the metabolism of vitamin B(12), and to evaluate the causes and consequences of sub-clinical vitamin B(12) deficiency. ...Malabsor
Vitamin B(12) is essential for DNA synthesis and for cellular energy production.This review aims to outline the metabolism of
Vitamin B12 sources and bioavailability.
Watanabe F. Watanabe F. Exp Biol Med (Maywood). 2007 Nov;232(10):1266-74. doi: 10.3181/0703-MR-67. Exp Biol Med (Maywood). 2007. PMID: 17959839 Free article. Review.
The usual dietary sources of vitamin B(12) are animal foods, meat, milk, egg, fish, and shellfish. As the intrinsic factor-mediated intestinal absorption system is estimated to be saturated at about 1.5-2.0 microg per meal under physiologic conditions, vitamin
The usual dietary sources of vitamin B(12) are animal foods, meat, milk, egg, fish, and shellfish. As the intrinsic factor-med …
Physiological Associations between Vitamin B Deficiency and Diabetic Kidney Disease.
Wu HHL, McDonnell T, Chinnadurai R. Wu HHL, et al. Biomedicines. 2023 Apr 11;11(4):1153. doi: 10.3390/biomedicines11041153. Biomedicines. 2023. PMID: 37189771 Free PMC article. Review.
Our article provides a review of updated evidence on the biochemical and physiological properties of the vitamin B sub-forms in normal states, and how vitamin B deficiency and defects in their metabolic pathways may influence CKD/DKD pathophysiology, a …
Our article provides a review of updated evidence on the biochemical and physiological properties of the vitamin B sub-forms i …
15,969 results
You have reached the last available page of results. Please see the User Guide for more information.