The invention discloses a method for preparing a dietary supplement composition for reducing body weight wherein said method comprises mixing the calcium salt of hydroxycitric acid, and at least one of the potassium salt of hydroxycitric acid or the sodium salt of hydroxycitric acid, wherein the said composition comprises more than 40% by weight and less than 90% by weight of total hydroxycitric acid, wherein the said composition comprises between: a) 5% by weight to 13% by weight calcium and b) 9% by weight to 20% by weight potassium or c) 5% by weight to 12% by weight sodium or a mixture thereof, each calculated as a percentage of the total weight of said hydroxycitric acid composition.
