L-Arginine

by Purus Labs · capsule · 100 veggie capsules

  • On the market (NIH)
  • UPC 8 55734 00282 6
  • DSLD label 326484
  • Serving 4 veggie capsules
  • 25 servings

L-Arginine by Purus Labs lists one ingredient: 2 g of L-arginine per serving of 4 veggie capsules. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in L-Arginine?

Each row as the label prints it, per serving of 4 veggie 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).

L-Arginine: Supplement Facts rows against the market (DSLD label 326484, January 2026 release)
IngredientAmount% DVAmong products listing it
L-ArginineHC2 gArginine in L-Arginine against 1,455 products2,000 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.2,000 mg

Higher than 87% of 1,455 products listing arginine (median 500 mg). Per day at the most servings: 4,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 326484 (entered March 25, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 2 servings 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
Directions for use Consume 1 serving upon waking to encourage GH secretion. Consume 1 additional serving before exercising along with Codense or NOXygen, or both.
Simplified usage 4 caps 2x daily Morning Pre-workout
Warnings
Warning: Consult a licensed healthcare practitioner before use. Discontinue use immediately if you experience any adverse reactions.
Do not use if you are currently pregnant or nursing, have had or have a family history of heart disease, high blood pressure, stroke or any other disease, or using an MAOI, prescription drug, or over-the-counter drug.
Keep out of reach of children.
Storage
Store in a cool, dry area away from direct sunlight.

Source: label statements in DSLD label 326484.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hypromellose, Magnesium Stearate, Silica.

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

How many labels does L-Arginine have?

One label is on file, entered on March 25, 2025.

  1. Label 326484 (current) Entered March 25, 2025 · on the market · 100 veggie capsules · UPC 8 55734 00282 6

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

Who makes it?

The label names Purus Labs (distributor), Kennesaw, GA. All Purus Labs products.

Where next?