SupplementDuel

Essential Amino Acids (EAA)

Amino Acid

All 9 essential amino acids in one — outperforms BCAAs for muscle protein synthesis at equivalent doses. Useful for fasted training or low-protein meals.

intra-workoutmusclecomplete-aminosMPS
Typical dose
8–15 g per serving
Evidence
Moderate (some RCTs)
Onset time
Acute: 15–30 min
Half-life
—
Forms
Powder, Capsule
Source
microbial
Best taken with
water
Best time of day
pre-workout
Bioavailability
5/5
Safety rating
5/5
Price per serving
$0.90
Vegan / GF / 3rd-party
✓ / ✓ / ✓
Find Essential Amino Acids (EAA)iHerb →

Vetted brands, third-party testing, ships worldwide.

Common uses

  • • Intra-workout fuel
  • • Fasted training
  • • Plant-based muscle gain

Effect profile

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Sleep
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Immunity
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Recovery
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Longevity
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Common side effects

  • • Generally none

Avoid if

  • • PKU (avoid phenylalanine)

Drug interactions

  • • Levodopa

Related amino acid supplements

Essential Amino Acids (EAA) vs BCAAEssential Amino Acids (EAA) vs L-GlutamineEssential Amino Acids (EAA) vs L-ArginineEssential Amino Acids (EAA) vs L-Citrulline

Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements.