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.
There are three different types of diet pills that you can buy. 1  Prescription weight loss pills are medications that you would get through your doctor. Non-prescription or over-the-counter (OTC) diet pills are medications that don't require a prescription. And finally, there are herbal supplements for weight loss that you'll find in many vitamin shops and drug stores.