Optimum Nutrition
Micronized Creatine Monohydrate
Pure creatine monohydrate, nothing else.
- Creatine
- Creatine 5 g
- Form
- Form Monohydrate
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Optimum NutritionEssential Amino Energy
Amino acids plus a light caffeine lift.
- Amino blend
- 5 g
- Caffeine
- 100 mg
- Calories
- 5
Per serving, from the label. Formulas can change — always check the package.
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Why it's on our list
Amino Energy is ON's long-running anytime drink: a 5 g amino acid blend with 100 mg of caffeine from natural sources and 5 calories per serving — lighter than a typical pre-workout, and popular in the morning or before training.
- 5 g amino blend per serving
- 100 mg caffeine from natural sources
- 5 calories
Best for
Featured in our guides
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- Form
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- Flavor
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