Alpha-carotene - found in carrots, winter squash, tomatoes, green beans, cilantro, Swiss chardAstaxanthin - found naturally in red algae and animals higher in the marine food chain. It is a red pigmen ...
Vitamin A (retinol), also synthesized by the body from beta-carotene, protects dark green, yellow and orange vegetables and fruits from solar radiation damage, and is thought to play a similar role in ...
Regulatory guidanceIn the following discussion, the term "antioxidant" refers mainly to non-nutrient compounds in foods, such as polyphenols, which have antioxidant capacity in vitro and so provide an ...
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 ...
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 ...
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 ...
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
