PlainVitamins

D-Aspartic Acid 2000 mg

by Double Wood Supplements · capsule · 300 capsules

  • On the market (NIH)
  • UPC 8 59793 00784 6
  • DSLD label 255580
  • Serving 4 to 6 capsules; amounts per 4 capsules
  • 75 servings

D-Aspartic Acid 2000 mg by Double Wood Supplements lists one ingredient: 2,000 mg of D-aspartic acid per serving of 4 capsules. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2021.

What is in D-Aspartic Acid 2000 mg?

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 2000 mg: Supplement Facts rows against the market (DSLD label 255580, January 2026 release)
IngredientAmount% DVAmong products listing it
D-Aspartic Acid2,000 mgD-Aspartic Acid in D-Aspartic Acid 2000 mg against 134 products2 g per serving; the middle half of products list 1 g to 3 g, the median 2.3 g.2 g

51% of 134 products listing D-aspartic acid give more (median 2.3 g).

Source: NIH ODS Dietary Supplement Label Database, label 255580 (entered September 24, 2021), 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 for libido support or athletic performance take 4-6 capsules per day with food.
Warnings
Warning: Consult your physician before use.
Do not use D-Aspartic Acid if you are pregnant, nursing, or are under 18 years of age.
Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not take D-Aspartic Acid and operate any heavy machinery until you know how it affects you.
Keep out of reach of children.
Do not exceed 8 capsules per day.
Allergens and what it does not contain
Made with Non-GMO ingredients Gluten free
Storage
Storage: Store in a cool, dark place. Do not freeze or expose to moisture or heat above room temperature.

Source: label statements in DSLD label 255580.

What else is on the label?

Other ingredients: Hypromellose, Rice Flour.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Proudly Made in USA.

How many labels does D-Aspartic Acid 2000 mg have?

One label is on file, entered on September 24, 2021.

  1. Label 255580 (current) Entered September 24, 2021 · on the market · 300 capsules · UPC 8 59793 00784 6

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

Who makes it?

The label names Double Wood LLC (distributor), Philadelphia, PA, United States. All Double Wood Supplements products.

Where next?