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.
The two main forms of calcium supplements are carbonate and citrate. Calcium carbonate is cheapest and therefore often a good first choice. Other forms of calcium in supplements include gluconate and lactate. In addition, some calcium supplements are combined with vitamins and other minerals. For instance, some calcium supplements may also contain vitamin D or magnesium.