What is the best flavor?

I really liked the Strawberry-Lime, it reminds me of a slushy as well. You will have to swirl it around the bottle as it has some sediment type stuff that may settle if left undisturbed. Still good though.Edit to add, there is another Amino from the same company the PRO version, has more aminos and no stimulants, only comes in 2 flavors though, not the same as these.

Watermelon and Grape are the best. Orange and Pineapple were good, not great.

Do you take this instead of muscletech whey for example.

Muscletech whey is a protein. Amino Energy doesn't contain protein, it's used for an energy boost pre, during or post workout. So you'd use them in conjunction with each other.

is there any artificial colors and sweeteners?

Yes, natural and artificial sweeteners, sucralose (splenda), and phenylalanine.

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⚡ Power your grind with clean energy & recovery—no compromises!

TRUSTED QUALITY - Informed Choice Certified and banned substance tested for professional peace of mind
NATURAL ENERGY BOOST - 100 mg caffeine from green tea & coffee extracts for clean, sustained focus ⚡
RAPID MUSCLE RECOVERY - 5 grams of micronized free-form amino acids for faster absorption and repair 💪
FLEXIBLE USAGE ANYTIME - Perfect for morning, pre-workout, post-workout, or afternoon pick-me-up—customize your energy level
CALORIE CONSCIOUS FORMULA - Under 10 calories per serving with zero sugar—fuel your day without the guilt 🔥

Optimum Nutrition Amino Energy is a versatile pre-workout and recovery powder delivering 100 mg of natural caffeine and 5 grams of fast-absorbing amino acids per serving. With under 10 calories and zero sugar, it supports energy, focus, and muscle repair anytime you need a boost. Certified for banned substances and crafted in the USA, it’s the smart choice for professionals seeking clean, customizable energy.

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Manufacturer	Optimum Nutrition, Inc, 3500 Lacey Road, Suite 1200, Downers Grove, IL 60515, +1-630-236-0098
Item model number	1038658
Product Dimensions	9 x 9 x 16 cm; 270 g
ASIN	B004PYN4DM

Optimum Nutrition (ON) Amino Energy - Pre Workout with Green Tea Extract, BCAA, Amino Acids, Green Coffee Extract, Energy Powder - Orange Cooler, 30 Servings

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