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Peak Performance All 9 Essential Amino Acids Supplement — view 1 of 5
Peak Performance

All 9 Essential Amino Acids Supplement. Capsules with 3X More Leucine for Muscle Recovery, Growth. EAA Supplement Better Than BCAA / BCAAS Branched Chain Aminos Acid. USA Tested EAAs for Men + Women

4.5· 1,197 Amazon reviews
$19.95$18.95with Subscribe & Save

$0.66/serving

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Price verified Apr 22, 2026

Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use

Our verdict

EAA capsule blend with 3X leucine per serving of All 9 EAAs (3X leucine-enriched) per capsule from Peak Performance. Best for best overall EAA / capsule convenience.

Third-Party TestedNon-GMOCapsuleSubscribe & Save

Why we recommend this

Peak Performance delivers all 9 essential amino acids with 3X more leucine than standard formulas in a convenient capsule. Third-party tested, Non-GMO, and remarkably affordable at $19.95. With a 4.5-star Amazon rating across 1,188+ reviews, it combines premium quality with budget-friendly pricing — a rare combination in the EAA category.

Check for interactions

Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.

Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.

What to watch out for

Capsule form limits total EAA dose per serving compared to powders. Not Informed Sport certified. No flavor options (capsules only).

Dose & form

Serving
EAA capsule blend with 3X leucine per serving
Form
Capsule
Clinical range
6-12g per serving, 1-3 times daily
Dose adequacy
Blend
Supply
30 servings · $0.66/serving
UPC
850042357088

Who it's best for

Best overall EAA / capsule convenience

Who should skip it

Those needing high-dose powder for peri-workout sipping

Pros

  • All 9 essential amino acids with 3X leucine
  • Very affordable at $19.95 ($0.67/serving)
  • Third-party tested for purity
  • Convenient capsule form — no mixing required
  • 4.5-star Amazon rating with 1,188+ reviews
  • Non-GMO, clean label

Cons

  • Capsule form limits per-serving EAA dose vs powders
  • Not Informed Sport certified
  • No powder or flavored options
  • Multiple capsules needed per serving

What customers say

4.5★ across 1,197 Amazon reviews. The most common questions from shoppers: peak performance eaa safe to take daily, re any side effects from peak performance eaa, and peak performance eaa safe during pregnancy or breastfeeding. Full answers in the FAQ below.

Frequently Asked Questions

What is the clinical dose for All 9 EAAs (3X leucine-enriched)?

Clinical trials typically use 6-12g per serving, 1-3 times daily. Peak Performance All 9 Essential Amino Acids Supplement delivers EAA capsule blend with 3X leucine per serving, which we classify as Blend relative to that range.

How does Peak Performance All 9 Essential Amino Acids Supplement compare to similar Capsule?

See the "Also consider" section below for two alternatives. Choose based on form preference (Capsule vs alternatives), dose adequacy, and third-party testing.

Is Peak Performance All 9 Essential Amino Acids Supplement third-party tested?

Yes — Third-Party Tested. Third-party testing verifies ingredient identity and label accuracy.

Does this work with Amazon Subscribe & Save?

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Is Peak Performance EAA safe to take daily?

Yes, Peak Performance Essential Amino Acids are generally safe for daily use at the recommended serving. The product is third-party tested for purity and contaminants. As with any supplement, consult your healthcare provider if you have underlying health conditions.

Are there any side effects from Peak Performance EAA?

Side effects are uncommon at recommended doses. Some users may experience mild digestive discomfort when first starting amino acid supplementation. Taking the capsules with food can help minimize any stomach upset.

Is Peak Performance EAA safe during pregnancy or breastfeeding?

There is insufficient research on EAA supplementation during pregnancy or breastfeeding. Women who are pregnant, nursing, or planning to become pregnant should consult their healthcare provider before using this product.

Can Peak Performance EAA be taken with medications?

Amino acid supplements may interact with certain medications, including those for blood pressure or diabetes. If you are taking prescription medications, consult your doctor before adding Peak Performance EAA to your routine.

Is Peak Performance EAA third-party tested?

Yes, Peak Performance products undergo third-party testing for purity and potency. While the product does not carry Informed Sport certification, the brand maintains transparent labeling and quality standards across their entire supplement line.

How many Peak Performance EAA capsules should I take per day?

Follow the label directions for the recommended serving size. The capsule form provides a convenient measured dose of all 9 essential amino acids with 3X leucine. For a higher dose, you may take an additional serving as directed.

Also consider

Part of this guide

Best Essential Amino Acid (EAA) Supplements

As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer