by Optimum Nutrition
Optimum Nutrition Essential Amino Energy is the all-day amino supplement built for athletes who train, work, and live on a schedule. Each serving provides 100mg of natural-source caffeine (green tea and coffee bean), 5g of an amino blend for muscle recovery support, and a 440mg electrolyte complex — all for around five calories and zero sugar. The low caffeine dose makes it flexible enough to use
| Retailer | Size | Price (CAD) | Availability |
|---|---|---|---|
| Bulldog Nutrition | $28.97 | In stock |
Prices last synced on 2026-08-04. Confirm at the retailer before buying.