Effects of a natural extract of (-)-hydroxycitric acid (HCA-SX) and a combination of HCA-SX plus niacin-bound chromium and Gymnema sylvestre extract on weight loss.
Diabetes Obes Metab. 2004 May;6(3):171-80. doi: 10.1111/j.1462-8902.2004.00328.x.
Diabetes Obes Metab. 2004.
PMID: 15056124
Clinical Trial.