Pure L-Arginine Powder
by Doctor's Best · powder · 10.6 ozs
- On the market (NIH)
- UPC 7 53950 00374 3
- DSLD label 203218
- Serving 6 g (1 scoop)
- 50 servings
Pure L-Arginine Powder by Doctor's Best lists one ingredient: 6 g of L-arginine hydrochloride per serving of 6 g. Its current label entered the NIH Dietary Supplement Label Database on May 28, 2019.
What is in Pure L-Arginine Powder?
Each row as the label prints it, per serving of 6 g. 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Arginine Hydrochloride | 6 g | Higher than over 99% of 1,455 products listing arginine (median 500 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 203218 (entered May 28, 2019), 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?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- Its 6,000 mg of L-arginine hydrochloride (filed by NIH under arginine) is higher than over 99% of the 1,455 arginine products that print an amount; 7 list more.
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.
- L-Arginine PowderDoctor's Best · off the market same ingredients
- L-Arginine HCl Tropical FlavorThe Vitamin Shoppe same ingredients
- L-Arginine PowderNOW Sports same ingredients
- RapidDrive Arginine 5000 UnflavoredGNC Pro Performance same ingredients
- L-Arginine MalatePureBulk.com same ingredients
- L-Arginine 5 gNutricost · off the market same ingredients
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 Adult Use: Mix 1 level scoop in 8 oz. juice or beverage of your choice daily, or as recommended by a nutritionally-informed physician.
- Warnings
- Warning: Not intended for individuals under the age of 18.
- Consult your physician if pregnant, nursing, have a medical condition, taking nitrates, warfarin, sildenafil (Viagra), medications for hypertension, diabetes, or other supplement that may lower blood pressure while taking in concomitant with this product.
- Keep out of reach of children.
- Allergens and what it does not contain
- Non-GMO Gluten free Soy free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 203218.
What else is on the label?
Other ingredients: None.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegan.
How many labels does Pure L-Arginine Powder have?
One label is on file, entered on May 28, 2019.
- Label 203218 (current) Entered May 28, 2019 · on the market · 10.6 ozs · UPC 7 53950 00374 3
DSLD also links this label to: L-Arginine Powder (image difference, same product), L-Arginine Powder (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.