D Aspartic Acid

by Reaction Nutrition · capsule · 120 capsules

  • On the market (NIH)
  • UPC 2 83333 10072 6
  • DSLD label 19593
  • Serving 4 capsules
  • 30 servings

D Aspartic Acid by Reaction Nutrition lists one ingredient: 3,000 mg of sodium D-aspartic acid per serving of 4 capsules. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2013.

What is in D Aspartic Acid?

Each row as the label prints it, per serving of 4 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

D Aspartic Acid: Supplement Facts rows against the market (DSLD label 19593, January 2026 release)
IngredientAmount% DVAmong products listing it
Sodium D-Aspartic Acid3,000 mg

This amount is far outside what other labels list for sodium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Source: NIH ODS Dietary Supplement Label Database, label 19593 (entered March 25, 2013), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
SUGGESTED USE: As a dietary supplement, take 4 capsules daily,or 1 hour before training.
Warnings
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
Storage
Store in a cool, dry, dark place.

Source: label statements in DSLD label 19593.

What else is on the label?

Other ingredients: Magnesium Stearate, Maltodextrin, Gelatin, Titanium Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): INSPECTED cGMP FACILITY Good Manufacturing Practice GLUTEN-FREE; R(R).

How many labels does D Aspartic Acid have?

One label is on file, entered on March 25, 2013.

  1. Label 19593 (current) Entered March 25, 2013 · on the market · 120 capsules · UPC 2 83333 10072 6

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names REACTION NUTRITION, LLC. (distributor), CARNEGIE, PA. All Reaction Nutrition products.

Where next?