🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 8% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

4 Tablet(s) Serving Size
15 Servings
Amino acid/Protein Product Type
8% Evidence Coverage

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Protein
5 Gram(s) (10% DV)
Calcium
25 mg (3% DV)
Sodium
10 mg (1% DV)
L-Alanine
236 mg
86 mg
📊 Market median: 500.0mg (143 products)
This product: 86mg
📊 Market median: 2000.0mg (63 products)
Median 2000.0mg This product: 540mg
20 mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 20mg
L-Cysteine
111 mg
L-Glutamic Acid
868 mg
200 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 200mg
L-Glycine
78 mg
L-Histidine
77 mg
331 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 331mg
474 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 474mg
481 mg
📊 Market median: 500.0mg (159 products)
Median 500.0mg This product: 481mg
93 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 93mg
L-Phenylalanine
104 mg
L-Proline
289 mg
L-Serine
218 mg
L-Threonine
366 mg
72 mg
📊 Market median: 500.0mg (70 products)
Median 500.0mg This product: 72mg
76 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 76mg
L-Valine
281 mg

Other Ingredients

hydrolyzed Whey Protein Isolate L-Glutamine Cellulose Stearic Acid Croscarmellose Sodium Egg White Hydrolysate Silica L-Carnitine L-Tartrate Polyethylene Glycol Carrageenan Maltodextrin Water

Label Claims — Verification

Nutrient
All Other
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)

Product Information

📋 Directions for Use

Suggested Use: Take 4 tablets daily with each meal or as recommended by a professional trainer. For best results, use as part of a proper diet and exercise program. These tablets may be difficult to swallow. Please break tablet in half and crush into powder with a pill crusher prior to swallowing with plenty of water.

⚠️ Warnings & Precautions

Warning: Do not use if pregnant or nursing. Consult a health care professional before use if you are taking any medication or have any medical condition.

Not recommended for use by individuals under the age of 18 without parental permission. Keep out of reach of children.

🧪 Formulation Notes

25% more protein

Typical Amino Acid Profile Per Serving Essential Amino Acids Per serving L-Leucine (BCAA) 474 mg L-Isoleucine (BCAA) 331 mg L-Valine (BCAA) 281 mg L-Lysine 481 mg L-Threonine 366 mg L-Methionine 93 mg L- Phenylalanine 104 mg L-Tryptophan 74 mg Non-essential Amino Acids Per serving L-Arginine 86 mg L-Cystine 111 mg L-Alanine 236 mg L-Aspartic Acid 540 mg L-Glycine 78 mg L-Histidine 77 mg L-Proline 289 mg L-Serine 218 mg L-Tyrosine 76 mg L-Glutamic Acid 868 mg

1000 mg branched-chain amino acids, l-carnitine and peptide bonded, and free amino acids per tablet!

How It Works: Twinlab Amino Fuel tablets are an amino acid supplement containing a high-tech anabolic formula with 1000 mg (per tablet) of branched chain amino acids, l-carnitine and peptide bonded, and free amino acids. All of these readily absorbable amino acids come from the highest quality whey and egg white proteins.

Additional Information

Same size tab

More protein...more muscle

Bodybuilding amino acids

Mega mass

High-tech protein that is easily digested, absorbable and utilizable to maximize growth and optimize protein synthesis

Product Specs: Size/Count: 60, 150, 250 Form: Tablet

Product Details

DSLD Entry Date 2017-05-24
Product Type Amino acid/Protein
Form Tablet or Pill
Brand Twinlab
DSLD ID 73907
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
View all evidence for Electrolytes →

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