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D Aspartic Acid

product on market Capsule Reaction Nutrition Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Sodium D-aspartic acid is researched for its potential to increase testosterone levels and support muscle growth. However, the available evidence for these effects in healthy humans is limited. Most studies show inconsistent results regarding its impact on athletic performance.

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

Label

Product Label

Label for D Aspartic Acid
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

Magnesium Stearate Maltodextrin Gelatin Titanium Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USE: As a dietary supplement, take 4 capsules daily,or 1 hour before training.

Warnings & Precautions

WARNING: Not to be used by women or men under 18 years old.

Use of this supplement could trigger a failed drug test from various sports governing agencies. Although this is a completely all-natural product, elevation of testosterone levels can cause side effects including, but not limited to: acne, hair loss and swelling of breast tissue. Discontinue use and consult a physician if any adverse reactions occur. Do not use if you are being treated for or could develop any medical, psychiatric or emotional condition.

Do not use in conjunction with any prescription drugs.

KEEP OUT OF REACH OF CHILDREN

Formulation Notes

MONOSODIUM D-ASPARTIC ACID D-ASPARTIC ACID 3G SERVINGS 30

Additional Information

~INCREASE NATURAL TESTOSTERONE ~STRENGTH ~VASCULARITY MADE IN THE USA OF DOMESTIC & IMPORTED INGREDIENTS

D-Aspartic Acid is a naturally occurring amino acid within the body, where it plays pivotal roles in the manufacturing hormones. Recent studies have shown that supplementing with D-aspartic Acid daily can raise testosterone. An increase in testosterone may lead to increases in muscle mass and athletic performance, along with decreases in body fat and levels of fatigue.

Store in a cool, dry, dark place.

INSPECTED cGMP FACILITY Good Manufacturing Practice GLUTEN-FREE

LBRNSportDAA-120_20121010 Rev.C

SPORT

R(R)

Metadata

Product Details

UPC / SKU2 83333 10072 6
DSLD Entry Date2013-03-25
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID19593
Data Updated2026-04-11
Research

Research Evidence

9
Research Sources
37
Avg Quality
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
D The efficacy of adrenocorticotropic hormone in a girl with anti-N-methyl-D-aspartate receptor encephalitis
Other Brain & development 2018 PubMed DOI
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 PubMed DOI
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 PubMed
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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.