Supplements Moderate evidence

Essential Amino Acids

The nine EAAs without the calories of a shake.

EAA powders cover the amino acids you cannot make. They are useful intra-workout or on low-appetite days. They are not cheaper or better than food-plus-whey for most people.

How to use

5–15 g in water around training, or sip during a long session.

Details

Ingredients
Leucine, Isoleucine, Valine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Histidine
Benefits
Training amino coverage, Low-calorie protein support
Dosage
5–15 g
When to take
Pre-workout
Side effects
Bitter taste, GI slosh if you chug a concentrated mix.
Scientific evidence
EAAs stimulate muscle protein synthesis; food-first protein is still the default unless appetite or digestion is the bottleneck.
Form
Powder
Third-party tested
Yes

Editorial rating ★ 3.9

Handy when a shake is too heavy. Whole protein still covers more than the label amino chart.

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