🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

📸

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Label Data

19 Gram(s) Serving Size
20 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
50 Calorie(s)
Sodium
25 mg (1% DV)
Potassium
25 mg (1% DV)
Total EAA

Other Ingredients

Citric Acid Natural and Artificial flavors Silicon Dioxide Acesulfame-Potassium Sucralose Red Beet Powder

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Directions: Mix 1 serving (1 scoop) with 14 oz. of water and consume pre- and intra-workout. Read the entire label before use and follow directions provided.

⚠️ Warnings & Precautions

Contains coconut and soy ingredients. Processed in a facility that also processes egg, fish, milk, peanut, shellfish, tree nut and wheat ingredients.

Warning: Not intended for use by persons under 18.

Do not use if you are pregnant or nursing.

Consult a medical doctor if you have a medical condition or before starting any diet or exercise program.

Keep out of reach of children.

Do not use if packaging has been tampered with.

🧪 Formulation Notes

Amino Max EAA Black Onyx is an advanced, 2-in-1 amino formula driven by science and backed by research to enhance strength, recovery and lean muscle.

It features a class-leading 11 g of EAAs including 5 g of BCAAs, plus scientifically validated doses of betaine, taurine and electrolytes for real power, performance and intensity. Rapid-absorbing essential amino acids Introducing the strongest combination of EAAs and BCAAs, with 11g of EAAs including 5 g of BCAAs, more than you’ll find in most pure BCAA formulas.

Essential amino acids are crucial for musclebuilding and recovery. These essential aminos can’t be made by your body, meaning they must be consumed through diet or supplementation. Proven to enhance strength & lean muscle

Amino Max EAA Black Onyx also delivers clinical doses of betaine and taurine for validated boosts in strength, muscle and performance. Plus, MuscleTech researchers included a precise electrolyte plus blend to help replenish stores lost during intense training.

Recovery Performance

11 g EAAs 5 g BCAAs 3 g Leucine 2.5 g Betaine 20 servings

Instant impact

BCAAs & EAAs Strawberry lemonade Natural & artificial flavors

Phenylketonurics: Contains phenylalanine.

Made in the U.S.A. from international ingredients.

Amino Max EAA Black Onyx is manufactured according to cGMP standards, as is required for all dietary supplements.

Scientifically researched key ingredients MuscleTech research & development

Additional Information

America's #1 selling bodybuilding supplement brand SX-7 Research-backed ingredients. Clinical doses. Full transparency. All power.

Cholewa et al., 2013. Journal of the International Society of Sports Nutrition. 10:39. Hoffman et al., 2009. Journal of the International Society of Sports Nutrition. 6:7. Balshaw et al., 2013. Amino Acids. 2013. 44(2):555-561. No hype, no gimmicky amino blends, no prop blends – all power and instant impact.

MuscleTech is America’s #1 Selling Bodybuilding Supplement Brand based on cumulative wholesale dollar sales 2001 to present.

For lot no. and expiry date: see bottle.

Store in a cool, dry place (60 degrees F to 80 degrees F).

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Product Details

UPC / SKU 6 31656 71386 2
DSLD Entry Date 2021-11-19
Product Type Other Combinations
Form Powder
Brand MuscleTech
DSLD ID 255896
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
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