Talk:Vitamin

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	Vitamin has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.
Article milestones Date Process Result October 16, 2006 Good article nominee Listed October 7, 2009 Good article reassessment Kept
Current status: Good article

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Elimination half-life of niacin and pantothenic acid is <2 hours

The daily norm of niacin and pantothenic acid does not exist, because their elimination half-life is <2 hours. Therefore only the hourly norm may be for niacin and pantothenic acid. Voproshatel (talk) 10:01, 29 September 2023 (UTC)[reply]

Information in the article can be changed or added if reliable source references are added at the same time. Medical/health topics have a high standard for references. See WP:MEDRS. David notMD (talk) 10:34, 29 September 2023 (UTC)[reply]

Suggested addition to Vitamin B12 deficiency syndromes

I would like to suggest an addition to the Vitamin B12 deficiency syndromes under the first table.

In addition to megaloblastic anaemia, Vitamin B12 deficiency can lead to peripheral neuropathy and subacute combined degeneration of the spinal cord. Both wikipedia pages in question mention B12 deficiency as a potential cause, and in clinical practice, this is a very important side effect of B12 deficiency. I believe it is relevant even for laymen to know B12 deficiency can cause severe damage to the nervous system.

Relevant source: Chapter 40 "Diseases of the Nervous System Caused by Nutritional Deficiency", pp. 1164-1168 in Ropper AH, Samuels MA, Klein JP, Prasad S. eds. Adams and Victor's Principles of Neurology, 11e. McGraw-Hill Education; 2019. Accessed May 19, 2024. https://neurology.mhmedical.com/content.aspx?bookid=1477&sectionid=85536145 SegersD (talk) 15:16, 19 May 2024 (UTC)[reply]

McCollum/Davis

Elmer McCollum and Marguerite Davis identified Vitamin A in 1913. See Wikipedia article on Elmer McCollum for details. 216.222.180.142 (talk) 20:12, 11 July 2024 (UTC)[reply]

"Essential to an organism"

Should this phrase be changed to "essential to an animal"? Are vitamins relevant to non-animal organisms (other than e.g. plants being a source of vitamins for animals)? There is no mention of any non-animal organisms in the article. Averixus (talk) 08:08, 4 February 2025 (UTC)[reply]