IMAGE: This photo shows the fossilized jaw of the oldest chinchillid rodent, Eoviscaccia frassinettii, which is related to the modern chinchilla. view more. Credit: AMNH/M.
There are three main types of dietary supplements, including herbal supplements, vitamin and mineral supplements and probiotic supplements.In addition, there are some dietary supplements that are harmful and should be avoided at all times.lthough different than the vitamin and mineral supplements, Herbal supplements are the base of many medicinal practices. Herbal supplements have been used for thousands of years, and with advances in technology, many herbal remedies are now available as a supplement.
Weâve done indepth analysis of over 100 vitamin brands, including popular supplements such as Centrum, One-A-Day, GNC, Shaklee, Nutrilite/Amway, Equate, Nature Made, NOW Foods, Melaleuca, and Puritanâs Pride. Weâve also included many brands that are not so recognizable, including Xtend-Life, Douglas Labs and USANA.