At the beginning of his career, he was basically a stock option bookie, taking the opposite side of anyone who thought a particular stock may increase or decrease in price. You might assume these futures contracts or options markets are another sophisticated financial instrument that Wall Street gurus created for their own disingenuous purposes, but you would be incorrect if you did. Others may look at the price of oil contracts or other commodities to see if money can be made by hedging their bets during the trading day. We're here to help you help the oceans!
A few quality studies have been carried out over the years, starting in 1998 with a double-blind, placebo-controlled trial of 135 adults over 12 weeks published in The Journal of the American Medical Association. They found no evidence that hydroxycitric acid, the active ingredient in weight loss products made from garcinia cambogia, produced significant weight loss. The American Journal of Clinical Nutrition in 2004 published a systematic review of meta-analyses and clinical trials on dietary supplements for weight loss by complementary medicine researchers at the Universities of Exeter and Plymouth.
None of the over-the-counter weight loss aids worked, including garcinia cambogia.