Dietary supplements (Amino acids, Minerals, Nootropics, Nutrients, Vitamins)
- Regulation
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United StatesIn the name of deregulation, the Dietary Supplement Health and Education Act of 1994 restricted the Food and Drug Administration from exerting authority over supplements as long as manufa ...
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2014-2-22 18:48
- From food or pills?
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In early 20th century there were great hopes on the supplements, but later research has shown them unfounded.Antioxidant paradox"Antioxidant paradox" means the fact that even though fruits and vegetab ...
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2014-2-22 18:48
- Adulteration
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BMC Medicine published a study on herbal supplements. Most of the supplements studied were of low quality, a third did not contain at all the herb claimed but, e.g., rice power or laxative. A third co ...
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2014-2-22 18:47
- Ungrounded health claims
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According to University of Helsinki food safety professor Marina Heinonen, more than 90% of dietary supplement health claims are incorrect.
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2014-2-22 18:47
- FDA
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FDA reports 50,000 health problems due to supplements each year. It does not have the resources to oversee the market. According to FDA, 70% of the companies do not follow basic quality standards.
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2014-2-22 18:47
- Liver damage
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The number liver damages from dietary supplements has trippled in a decade. Most of the supplements were bodybuilding supplements. Some of the patients require liver transplants and some die. In third ...
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2014-2-22 18:46
- Natural supplements
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Natural supplements such as green tea pills may damage liver and cause liver transplants, hepatitis and deaths. Yet people believe that "natural" is healthy or that supplements have been researched.Th ...
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2014-2-22 18:46
- Bodybuilding supplements
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Bodybuilding supplements often involve health problems.For example, the "natural" best-seller Craze, 2012's "New Supplement of the Year" by bodybuilding.com, sold in Walmart, Amazon etc., was found to ...
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2014-2-22 18:46
- Increased mortality due to supplements
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In Dec 17th 2013, the editorial of the scientific Annals of the Internal Medicine journal criticized heavily dietary supplements referring to research surveys. Systematic reviews did not find evidence ...
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2014-2-22 18:45
- No prevention of dementia
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A metastudy showed that daily multivitamin supplements do not prevent the weakening of cognitive performance. Another study showed that multivitamins and omega-3 fatty acids do not alleviate existing ...
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2014-2-22 18:45
- Need for dietary supplements
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ietary supplements are unnecessary if one eats a balanced diet.Moreover, many supplements have no practical effect. For example, glucosamine and chondroitin, often thought to relieve joint pain, have ...
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2014-2-22 18:45
- Dietary supplement
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A dietary supplement is intended to provide nutrients that may otherwise not be consumed in sufficient quantities.Supplements as generally understood include vitamins, minerals, fiber, fatty acids, or ...
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2014-2-22 18:44
- Physicochemical properties of amino acids
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The 20 amino acids encoded directly by the genetic code can be divided into several groups based on their properties. Important factors are charge, hydrophilicity or hydrophobicity, size, and function ...
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2014-2-22 18:43
- Catabolism
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Degradation of an amino acid often involves deamination by moving its amino group to alpha-ketoglutarate, forming glutamate. This process involves transaminases, often the same as those used in aminat ...
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2014-2-22 18:43
- Biosynthesis
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In plants, nitrogen is first assimilated into organic compounds in the form of glutamate, formed from alpha-ketoglutarate and ammonia in the mitochondrion. In order to form other amino acids, the plan ...
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2014-2-22 18:43
