Skeptics Stack Exchange
Skeptics Stack Exchange

Questions tagged [vitamins]

An organic compound required as a vital nutrient in tiny amounts by an organism.

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Do vitamin D supplements help against winter depression?

People like me who live in the northern part of the world, often get a bit depressed at this time of the year, when it's essentially dark when you leave for work and when you get home from work. This has been blamed on vitamin D deficiency. Are…
Mårten
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Are heart attacks due to Vitamin C deficiency?

According to this book description Matthias Rath, M.D., an internationally respected cardiovascular researcher, asserts that high cholesterol is not the actual cause of heart disease. Bears, for example, have average cholesterol levels of 400…
Kenshin
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Are "designer" vitamins more potent than "generic" vitamins?

I had a dietitian tell me that I should never buy vitamins from places like Walmart, Walgreens, or similar stores because the potency is never guaranteed. She said that the potency greatly varies from pill to pill and sometimes is only 25% as…
Tim Reddy
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Does milk sold in a store with good product turnover lose a significant amount of Vitamin B2 from light exposure?

Anchor New Zealand has just released a milk bottle with a black plastic layer to protect the milk from exposure to light, and thus from loss of "taste and goodness". Their chart: from their website specifically shows test results relating to…
Highly Irregular
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Does consuming Vitamin C after eating shrimp result in death by arsenic?

I get lots of spam from family and friends, but this one in particular called my attention. It claims that if you eat shrimp and the ingest anything with Vitamin C, in a short period of time you would die from arsenic poisoning. A quick google…
cavpollo
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Are the Vitamins L1 and L2 necessary for rats to lactate?

Nakahara et al write in Identification of Vitamin L1 (Anthranilic Acid): In 1934, we demonstrated for the first time the existance of a specific dietary factor of lactation, since designated vitamin L1, and the progress made in our investigation on…
Christian
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Does Vitamin K2 MK-4 have a half-life of about one hour?

Mercola writes MK-4 is a synthetic product, very similar to vitamin K1, and your body is capable of converting K1 into MK-4. However, MK-4 has a very short biological half-life of about one hour, making it a poor candidate as a dietary supplement.…
Christian
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Do the vitamins in a smoothie degrade when put in the fridge?

I was discussing with a friend about my smoothies consumption and he argued that putting them in the fridge to consume them the next day was not good as the vitamin level/effect drops quickly. Question Does the vitamins' effect drop as quickly as…
Édouard Lopez
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Does Vitamin C in Indian Gooseberry have skincare benefits when applied directly to skin, or when eaten?

There are several health product sites making claims about Vitamin C and Indian Gooseberry. They say it helps with skin problems. Note that "Amla" is one of the names for Indian Gooseberry. For example: Paula's Choice (store) says Vitamin C…
CoffeeDay
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Can air conditioner units emit vitamins?

I have seen many examples of air conditioning units that claim they can emit Vitamin C, D, E, etc. For example, taken from a Gizmodo article: Fujitsu have again come up with another world first, by incorporating a revolutionary Vitamin C emission…
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Does taking a daily multivitamin reduce chances of miscarriage?

Mayoclinic writes in it's Symptoms & causes of Miscarriage: Prevention [...] Take a daily multivitamin. I was under the impression that for the average person multivitatmins don't provide health benefits. Is there evidence that this is different…
Christian
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Is vitamin B11 another name for folate/folic acid?

As the Wikipedia article for folate states, vitamin B9 is another name for folate/folic acid. There is no mention of vitamin B11 in the article: Folate, also known as vitamin B9 and folacin, is one of the B vitamins. Manufactured folic acid, which…
Snack Exchange
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