Trivalent chromium is the most important element in GTF. Mao notes that the human body, particularly bone marrow, contains trace amounts of chromium, which are gradually depleted during the aging process. Overweight people, pregnant women, heavy drinkers, and people who are overworked and overstressed can suffer serious chromium deficiency.
毛嘉洪指出，人體內原就存在微量元素鉻，鉻在人體的骨髓中儲存最多，但會隨年齡增長逐漸減少，特別是肥胖、懷孕、酗酒、過度操勞、壓力大者，耗損更加嚴重。