An organic compound required as a vital nutrient in tiny amounts by an organism.
Questions tagged [vitamins]
27 questions
46
votes
3 answers
Should a healthy adult take a daily multi-vitamin?
Is there any reason for a healthy adult to take a daily multi-vitamin?
My intuition tells me that an adult eating a healthy and balanced diet will get all of the nutrients she needs and that taking a daily mulit-vitamin would be pointless.
Scott Mitchell
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Does Vitamin D created by sun exposure get washed off in the shower?
A recent article by Dr Mercola on a health advocacy web site makes a number of claims about Vitamin D production in your skin. The most surprising to me is the claim that you can wash off a meaningful fraction of the Vitamin D created due to sun…
Rex Kerr
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Does organic food have more vitamins than nonorganic food?
Aside from the issue of pesticides there's the claim that organic food has more nutrients, vitamins and minerals than nonorganic food:
Organic food is known to contain 50%
more nutrients, minerals and vitamins
than produce that has been…
Christian
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19
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1 answer
Is Vitamin B12 an effective mosquito repellent?
In a question on Travel.SE, a user claimed that Vitamin B12, taken regularly, can be an effective mosquito repellent. Is there any evidence behind this claim?
jrdioko
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Can an extra internal refrigerator light increase the vitamin C content of fruit?
My wife yesterday bought a new refrigerator for our house. She choose a refrigerator which within the sales blurb has the following claim.
光波增鲜
生成5种仿自然光波，让采摘后的果蔬继续光合作用，叶绿素、VC含量比存放普通冰箱高30%以上。
Translating that into English we get:
Fresh by light
…
Rincewind42
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Ester C, the "better" Vitamin C?
If I recall correctly, Vitamin C plays an important role in the body's immune system. Anecdotal testing by myself gave me the impression that I could ward off a developing cold by the intake of high doses of Vitamin C.
In a pharmacy, I've now come…
Lagerbaer
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What is the latest scientific consensus on megadoses of Vitamin C?
Vitamin C megadoses were first championed by extraordinary chemist and physicist Linus Pauling, I believe, and as prescription for good health they gained by association with him. I have read conflicting assessments of whether or not they work in…
Uticensis
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Does shampoo containing pro-B5 affect the appearance of hair?
Many shampoos contain vitamins.
Elvive Vitamax shampoo for example, is variously promised to contain "Vitamin pro-B5" which
makes hair full of vitality.
Is this additive useful?
Martin Tournoij
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13
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2 answers
Does boiling vegetables wash away important vitamins?
I recently heard that you should steam vegetables instead of boiling them, because boiling washes away the vitamins.
Is this really true? Is there any scientific backing to this claim? Can you really wash away vitamins or nutrients?
Source of…
Ephraim
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11
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1 answer
Can a lack of Vitamin A in your diet be statistically proven to be linked to worse eyesight?
Reading this question: Does eating carrots improve your eyesight? - brought to mind a common piece of medical advice in USSR - to eat carrots to prevent your eyesight from going bad (as opposed to that question's claim to improve eyesight).
Is it…
user5341
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9
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Does boiling milk reduce the Vitamin B12 content?
Milk contains vitamin B12.
There appears to be conflicting advice over whether heating milk will reduce its B12 content.
For example, this healthcare site says:
Vitamin B12 is stable at room temperature and therefore does not need to be…
AmitG
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8
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1 answer
Does vitamin D prevent cavities better than fluoride?
Dr. Mercola has released the following article: The Vitamin that is Better than Fluoride in Reducing Cavities. He quotes the VitaminD Council as his source for this:
"There were also several studies reported on vitamin D and dental caries in the…
Hendy
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Do mango seed kernels contain Vitamin B-12?
There are a lot of blog posts and video channels claiming that mango seed kernels contain a high level of vitamin B12. I could find only one academic paper that claimed this:
Some nutrients and antinutrients contents of mango (Magnifera indica) seed…
HRJ
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7
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Does contact with metal surfaces reduce the vitamin levels of vegetables?
I have heard that cutting or grating vegetables with metal tools somehow reduces the vitamin content (or as it is sometimes stated "it kills the vitamins"). There are also commercials, which advocate glass or ceramic tools for preserving vitamins.
I…
AlexSee
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Do vitamin supplements have any health benefits?
According to some recent research,
Vitamin supplements almost never have health benefits, are a waste of
money and could even be harmful, a group of scientists said in a
damning indictment of the industry.
Are they?
sashkello
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