🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 10% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

3 Capsule(s) Serving Size
30 Servings
Amino acid/Protein Product Type
10% Evidence Coverage

Supplement Facts — Evidence Check

L-Glutamic Acid
349 mg
📊 Market median: 2000.0mg (63 products)
Median 2000.0mg This product: 206mg
203 mg
📊 Market median: 500.0mg (159 products)
Median 500.0mg This product: 203mg
203 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 203mg
L-Alanine
147 mg
138 mg
📊 Market median: 500.0mg (143 products)
This product: 138mg
L-Valine
120 mg
L-Phenylalanine
102 mg
Glycine
95 mg
L-Serine
95 mg
L-Threonine
91 mg
L-Proline
77 mg
77 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 77mg
71 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 71mg
55 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 55mg
48 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 48mg
28 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 28mg
L-Cystine
26 mg
L-Cysteine
23 mg
L-Ornithine
23 mg

Other Ingredients

Rice Flour Vegetable Lubricant Gelatin

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (94% of products) Nutrient (48% of products) No Claim (2% of products)

Target Groups

Adult (18 - 50 Years) Sugar Free

Product Information

📋 Directions for Use

Directions: Three capsules daily, or more, as directed by a health care professional.

⚠️ Warnings & Precautions

Sold only for dispensing by a licensed health care professional.

Pregnant and/or lactating women should consult their physician prior to use.

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Keep out of reach of children.

Warning: Contains phenylalanine. Should not be used by patients with the congenital condition Phenylketonuria (PKU). All babies born in the U.S. are tested for this condition after birth. This may not be the case in other countries.

🧪 Formulation Notes

Amino acids are present in the approximate proportions in which they occur in the protein fraction of glandular tissue. This blend is produced by a special process which yields only the high purity amino acids.

Contains no sugar, yeast, corn, wheat, soy, artificial colors or preservatives.

Progressive Laboratories packaged this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Free form Amino Acids

Additional Information

GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111

Product Details

UPC / SKU 3 51821 00960 5
DSLD Entry Date 2022-02-23
Product Type Amino acid/Protein
Form Capsule
DSLD ID 261202
Data Updated 2026-04-11

Research Evidence

9 Research Sources
37 Avg Quality Score
5 Rct
4 Other
C The Effects of Six-Gram D-Aspartic Acid Supplementation on the Testosterone, Cortisol, and Hematological Responses of Male Boxers Subjected to 11 Days of Nocturnal Exposure to Normobaric Hypoxia
Rct Nutrients 2023
C Using an experimental medicine model to understand the antidepressant potential of the N-Methyl-D-aspartic acid (NMDA) receptor antagonist memantine
Rct Journal of psychopharmacology (Oxford, England) 2012
C The effects of d-aspartic acid supplementation in resistance-trained men over a three month training period: A randomised controlled trial
Rct PloS one 2017
C Short-Term d-Aspartic Acid Supplementation Does Not Affect Serum Biomarkers Associated With the Hypothalamic-Pituitary-Gonadal Axis in Male Climbers
Rct International journal of sport nutrition and exercise metabolism 2019
C Combined melatonin and adrenocorticotropic hormone treatment attenuates N-methyl-d-aspartate-induced infantile spasms in a rat model by regulating activation of the HPA axis
Other Neuroscience letters 2021
D A placebo-controlled randomized crossover trial of the N-methyl-D-aspartic acid receptor antagonist, memantine, in patients with chronic phantom limb pain
Rct Anesthesia and analgesia 2004
D The efficacy of adrenocorticotropic hormone in a girl with anti-N-methyl-D-aspartate receptor encephalitis
Other Brain & development 2018
D The role and molecular mechanism of D-aspartic acid in the release and synthesis of LH and testosterone in humans and rats
Other Reproductive biology and endocrinology : RB&E 2009
F Blockage of N-methyl-D-aspartate receptors decreases testosterone levels and enhances postnatal neuronal apoptosis in the preoptic area of male rats
Other Neuroendocrinology 2000
View all evidence for D Aspartic Acid →

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