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Essential Amino Protein

product on market Capsule ProCaps Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 5% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This profile contains essential amino acids, including leucine, isoleucine, and lysine, which are supported by strong evidence for muscle protein synthesis and tissue repair. Glutamic acid further supports metabolic function and neurotransmitter balance. Overall, the evidence coverage for this specific formulation is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Essential Amino Protein
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
90
Servings
Amino acid/Protein
Product Type
5%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
400 mg
Market median: 500.0mg (159 products)
L-Glutamic Acid
300 mg
150 mg
Market median: 17.4mg (161 products)
150 mg
Market median: 17.4mg (161 products)
L-Valine
150 mg
125 mg
Market median: 500.0mg (143 products)
Market median: 2000.0mg (63 products)
L-Proline
55 mg
50 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
L-Serine
45 mg
L-Phenylalanine
45 mg
L-Threonine
35 mg
L-Cysteine
25 mg
L-Glycine
25 mg
L-Alanine
25 mg
L-Histidine
25 mg
25 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
10 mg
Market median: 500.0mg (70 products)

Other Ingredients

Calcium Caseinate L-Lysine Hydrochloride Glutamic Acid L-Isoleucine L-Arginine L-Valine L-Leucine L-Cysteine Hydrochloride L-Aspartic Acid L-Glycine Plant Cellulose, Natural
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use Consume four capsules daily. You can increase or decrease your intake as required or as guided by your physician.

Warnings & Precautions

Notice: Use this product as a food supplement only. Do not use for weight reduction.

Formulation Notes

Since 1979, Unsurpassed purity, quality and efficacy. 100% Solar production Zero-carbon footprint 100% Solar

High efficiency protein source Fortified with all essential and branched chain amino acids

Essential Amino Protein starts with an ultra-high quality, easy-to-digest protein source focused on the essential and branched chain amino acids in the form of easy-to-absorb smaller peptides and free-form amino acids. Typical protein sources and powders can contain difficult-to-digest and absorb proteins, but Essential Amino Protein starts with a highly bioavailable protein source that we fortify with essential and branched chain amino acids. Essential Amino Protein is not just an advanced protein source for athletes, but also provides the most important amino acids for anyone focused on wellness and optimum health. Essential Amino Protein provides an ideal balance of amino acids to support the structure and function of our key organs and tissues, along with the enzymes we rely upon to perform all our body’s biochemical and metabolic activities. It is well established that protein quality more than the quantity determines optimum health and physical performance, which is why Essential Amino Protein focuses on those amino acids that determine protein quality. Essential Amino Protein comes in small easy-to-swallow capsules that contain our highly bioavailable protein/amino acid source, which is also hormone-free, lactose-free and sodium-free.

Essential Amino Protein is not just an advanced protein source for athletes, but also provides the most important amino acids for anyone focused on wellness and optimum health.

Essential Amino Protein comes in small easy-to-swallow capsules that contain our highly bioavailable protein/amino acid source, which is also hormone-free, lactose-free and sodium-free.

Contains no additives of any kind

Additional Information

For questions about the use of this product call 800.800.1200. Questions? Reorders? 800.800.1200 procaps.com Andrew Lessman

Essential Amino Acids are marked with an E and Branched Chain Amino Acids are marked with a B.

Metadata

Product Details

UPC / SKU882092
DSLD Entry Date2025-07-24
Product TypeAmino acid/Protein
FormCapsule
BrandProCaps
DSLD ID331548
Data Updated2026-04-11
Research

Research Evidence

3
Research Sources
74
Avg Quality
3
Meta Analysis
A Antifibrinolytics (lysine analogues) for the prevention of bleeding in people with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2026 PubMed DOI
B Antifibrinolytics (lysine analogues) for the prevention of bleeding in people with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
B Antifibrinolytics (lysine analogues) for the prevention of bleeding in patients with haematological disorders
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.