A preparation intended to supplement the diet and provide nutrients, such as vitamins, minerals, fiber, fatty acids, or amino acids, that may be missing or may not be consumed in sufficient quantities in a person's diet.
Questions tagged [nutritional-supplements]
49 questions
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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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Is there evidence that glucosamine can help repair joints?
I have heard conflicting views on how effective glucosamine is in treating joint problems. For example here you can see a claim being made about stimulating cartilage growth and curing arthritis.
Glucosamine Claims
Protect cartilage against…
ergodicsum
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Does taking whey protein make you gain muscle?
See the following claim, for example:
What are the reasons I should supplement with whey protein?
To build muscle mass
To speed recovery time
Reduce injuries related to working out
Maintain a healthy and fit body
Feel better during your workouts …
GBa
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Are there any proven benefits to ingesting wheatgrass?
I have read statements such as "Fifteen pounds of wheatgrass is equivalent to 350 pounds of the choicest vegetables", of which I am obviously skeptical. Are there any independent studies from reputable sources about the benefits / risks of…
tofarr
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Does 32 g of Gatorade powder contain 33 g of carbohydrates?
A screenshot of the nutrition facts of a can of Gatorade powder was posted on my Facebook feed:
The label reads "Per 32 g (about 3 tbsp)", but if you read through the ingredients, the amount of carbohydrates listed exceed that of the serving size…
yuritsuki
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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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Are there benefits to the ECA stack for body-builders?
The use of the "ECA Stack" - ephedrine, caffeine and aspirin - has been common-place in body-building and weight-loss circles. (e.g. in 1999, 2% of the Danish population and 12 million US inhabitants were using some variant. [Ref]
It is purported to…
David Gerard
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Are Vitamins ingested in natural food more effective than those ingested in supplements?
There was a comment in this question saying that he was dubious of claims of the Vitamin C benefits of eating an orange. My gut reaction was to respond that Vitamins taken in food are metabolized better than those from a supplement. But I realized…
Chad
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Are fish oil capsules beneficial?
Page 28 of the February 2018 edition of Which? magazine says,
(You don't need...)
Fish oils such as Omega 3 capsules
Unless you are advised to take these, you don't need to. Studies show that fish oil's positive benefits are gained though eating…
ChrisW
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Can Alpha Brain dietary supplement improve mental acuity and focus?
Alpha Brain is a tablet offered as a dietary supplement by Onnit. They make many claims about its ability to help cognitive function:
The idea behind the Alpha Brain™ dietary supplement was to create the first ever fully balanced nootropic. Alpha…
Jeremy Boyd
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Does potassium deficiency cause cramps?
According to Ace Fitness, it is a myth that potassium deficiency causes cramps, since there isn't enough potassium in sweat to deplete potassium. Sodium deficiency is blamed instead. Is this true?
One commonly held myth is that muscle cramping in…
Dale
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12
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2 answers
Does nail-biting indicate iron deficiency?
I've seen on a lot of websites that nail-biting behaviour is due to lack of iron in the blood. I'm wondering if is this actually true, or just an urban myth which has spread and spread?
Chris Dennett
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Do plant sterols prevent prostate cancer?
Not a day goes by without me hearing a "super mega beta prostate" (or some other similar product) commercial.
Super Beta Prostate is a natural prostate supplement made with beta-sitosterol designed to provide you with support for the following:
…
Russell Steen
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Are zinc supplements beneficial?
There is a lot of advertising for zinc supplements on the web, most of which seems indistinguishable from advertisements for ineffective alt-medicine cures. Are these ads a hoax, or is there any actual benefit to taking zinc supplements?
blueberryfields
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Is Autism in Children frequently due to low Glutathione Levels?
GlutathioneForHealth: Autistic children have 50% less intracellular glutathione than other children), which is why they have so much trouble detoxifing vaccines, medications, environmental toxins, toxins in food and why they have so much trouble…
Christian
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