Optimum Nutrition Essential AmiN.O. Energy Chewables deliver an effective dose of all these ingredients for better energy, alertness, and brain function anywhere at any time.


In the body, this amino acid and the amino histidine combine to form the molecule carnosine. Research shows that muscles with higher levels of carnosine can generate stronger muscle contractions and maintain better endurance.


Arginine is an amino acid that’s readily converted to nitric oxide (NO) in the body. NO is a potent vasodilator, which means that it gets more blood flowing to the muscles. This leads to enhanced energy and better mental performance.

B Vitamins:

Essential Amin.O. Energy Chewables provide the most critical B vitamins— thiamine (B1), riboflavin (B2), niacin (B3), and B12. The B vitamins are critical co-factors in helping the body convert the food you eat into energy for training


In addition to important amino acids and vitamins, Essential AmiN.O. Energy Chewables also deliver a dose of caffeine. This central nervous system stimulant works to make you more alert, boost brain function, and can help you burn fat.

Click here to buy AmiN.O. Energy Chewables at the Muscle & Fitness Store.