Questions regarding organic compounds required by an organism as a vital nutrient in limited amounts.
24
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1answer
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Why do Humans not produce Vitamin C like other mammals?
Why do most mammals produce their own Vitamin C?
Why do Humans not?
4
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1answer
205 views
Is it possible for a substance to be absorbed by the hair or the scalp?
I've heard that the aplication of Monovin A in the hair would allow it to grow faster. Monovin A seems to be only A vitamin, according to the first website.
Could the application of A vitamin in the ...
4
votes
1answer
239 views
What does vitamin B6 and B12 absorption depend upon?
I'm looking at my question about homocysteine metabolism and am doing a followup inquiry into vitamins B6(Pyroxidine) and B12(Cyanocobalamin). I've found this interesting bit about vitamin B12 and am ...
4
votes
1answer
101 views
Are there any effects of elevated Cysteine levels on cognitive function?
I'm looking at this diagram of homocysteine metabolism and see two distinct pathways that the amino acid may get metabolized to: with vitamin B12 it gets converted back into methionine, while with B6 ...
4
votes
1answer
71 views
What biological systems are affected by Vitamin B6 (or B vitamins in general)?
B vitamins and particularly the B6 vitamin appears to the one of the main ingredients in energy drinks.
There has been anecdotal evidence from people interested in dreaming that ingestion of vitamin ...
4
votes
0answers
50 views
Functionality of vitamin A, Bx, C, D, E, K as used in cosmetics for the skin?
I was wondering if someone can compare the functionality of vitamin A, Bx (x means numbers, such as 1, 2, 3, ...), C, D, E, K in the skin? They are used in cosmetics but what is their actual effect?
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2
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0answers
16 views
Can the Human body Synthesise Vitamin D from Phytosterols?
I know that the human body can synthesise vitamin D from cholesterol, but can it do so from phytosterols?
1
vote
1answer
41 views
What is the role of Homocysteine in cognitive function?
I'm looking at this link : Homocysteine and cognitive impairments and am looking for more information on specific cognitive impairments associated with elevated levels Homocysteine. That article is ...
