A dietary supplement in capsule or tablet form includes a source of zinc in an amount equivalent to 6 mg to 40 mg of zinc chloride optionally a source of chromium in an amount equivalent to 100 micrograms to 1000 micrograms of chromium picolinate optionally from 4 micrograms to 100 micrograms of Vitamin B12 optionally an extract or powdered form of American Ginseng in an amount that provides from 20 mg to 200 mg of ginsenoside(s), or 20 mg to 200 mg of isolated or synthesized ginsenoside(s) optionally an oil, extract or powdered form of cinnamon bark in an amount that provides 1000 mg to 5000 mg of methylhydroxychalcone polymer optionally 2 mg to 50 mg lutein and optionally green tea extract in an amount that provides from 200 mg to 4000 mg of epigallocatechin gallate or 200 mg to 4000 mg of isolated or synthesized epigallocatechin gallate.本發明係關於一種呈膠囊或錠劑形式之膳食增補劑,其包括等效於6mg至40mg氯化鋅之量的鋅源;視情況存在之等效於100微克至1000微克吡啶甲酸鉻之量的鉻源;視情況存在之4微克至100微克維生素B12;視情況存在之呈萃取物或粉末形式的西洋參(American Ginseng),其量提供20mg至200mg人參皂苷或20mg至200mg經分離或合成之人參皂苷;視情況存在之呈油、萃取物或粉末形式的肉桂皮,其量提供1000mg至5000mg甲基羥基查耳酮聚合物;視情況存在之2mg至50mg葉黃素;及視情況存在之綠茶萃取物,其量提供200mg至4000mg表沒食子兒茶素沒食子酸酯或200mg至4000mg經分離或合成之表沒食子兒茶素沒食子酸酯。
