300 mg natural caffeine. 0 sugar per can. 0 artificial color. 0 artificial flavor. 0 fat per can. B vitamins: B3, B6, B12. Electrolytes: NA, K, Mg. One can contains 300 mg of caffeine from all sources. The FDA has stated that consumption of up to 400 mg of caffeine per day from all sources is not associated with adverse health effects in healthy adults. Caffeine from All Sources: 300 mg per can. Reign Total Body Fuel white gummy bear is low in calories. BCAA Aminos. Total body fuel. Electrolytes. Increased concentration. Reduced fatigue. Branched-chain amino acids. Coenzyme Q10. reignbodyfuel.com.