Home/ Supplements/ D Aspartic Acid/ D-Aspartic Acid (DAA)

D-Aspartic Acid (DAA)

product on market Powder Hard Rhino Safety: 100/100
100/100

This product looks safe

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

Product Label

Label for D-Aspartic Acid (DAA)
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Gram(s)
Serving Size
41
Servings
Amino acid/Protein
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

3 Gram(s)
Market median: 2000.0mg (63 products)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 3 grams (~1/2 tbsp) with 16 ounces of water or suitable beverage and drink on an empty stomach. Taken once in the morning and again in the evening for maximum results.

1 Carefully measure out suggested serving size using a microscale. 2 Add to preferred beverage. 3 Mix well. 4 Drink within 10-15 minutes. How to use

Warnings & Precautions

Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Always consult with a qualified health physician before taking any new dietary supplement.

Do not use or consume if pressure seal is broken.

Do not use or consume if seal is broken.

Formulation Notes

No added fillers

Allergens: This product contains no soy, dairy, dairy byproducts, eggs, shellfish, wheat, gluten, tree nuts, or sesame seeds.

This is a non-GMO ingredient.

Additional Information

Only pure ingredients

Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Pure powder

Lab tested for purity and quality

Packaged in USA

Metadata

Product Details

UPC / SKU8 18136 46247 6
DSLD Entry Date2017-03-24
Product TypeAmino acid/Protein
FormPowder
DSLD ID72341
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
View all evidence for D Aspartic Acid →
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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.