PlainVitamins

L-Arginine

by Millecor · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 317786
  • Serving 2 capsules
  • 30 servings

L-Arginine by Millecor lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 36 mg of calcium, 15 mg NE of niacin, 400 mg of L-arginine and 400 mg of L-arginine alpha-ketoglutarate. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2024.

What is in L-Arginine?

Each row as the label prints it, per serving of 2 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 317786, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Calcium Carbonate36 mg3%Calcium in L-Arginine against 17,831 products36 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg36 mg

82% of 17,831 products listing calcium give more (median 115 mg).

Niacin15 mg NE94%Niacin in L-Arginine against 12,413 products15 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg15 mg

71% of 12,413 products listing niacin give more (median 20 mg).

L-Argininebase400 mgArginine in L-Arginine against 1,455 products400 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.400 mg

60% of 1,455 products listing arginine give more (median 500 mg).

L-Arginine Alpha-Ketoglutarate2:1 extract400 mgArginine Alpha Ketoglutarate in L-Arginine against 322 products0.4 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.0.4 g

85% of 322 products listing arginine alpha ketoglutarate give more (median 1 g).

L-Citrulline Hydrochloride200 mgCitrulline in L-Arginine against 1,209 products0.4 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.4 g

89% of 1,209 products listing citrulline give more (median 3 g).

L-Citrulline Malateextract200 mg
Beta-Alanine80 mgBeta-Alanine in L-Arginine against 1,778 products0.08 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.0.08 g

98% of 1,778 products listing beta-alanine give more (median 2 g).

Source: NIH ODS Dietary Supplement Label Database, label 317786 (entered September 25, 2024), 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?

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:

  • 85% of the 322 products that print an amount of arginine alpha ketoglutarate list more than its 0.4 g of L-arginine alpha-ketoglutarate (filed by NIH under arginine alpha ketoglutarate) (median 1 g).
  • 98% of the 1,778 products that print an amount of beta-alanine list more than its 0.08 g of beta-alanine (median 2 g).

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?

3 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 two (2) capsules once a day. For best results take 20-30 min before a meal with an 8 oz glass of water or as directed by your Healthcare Professional.
Warnings
Caution: Do not exceed recommended dose.
Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of reach of children.
Do not use if safety seal is damaged or missing.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 317786.

What else is on the label?

Other ingredients: Cellulose, Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Veteran Owned Business; GMP Certified Good Manufacturing Practice Made in a FDA Registered Facility USA Made in America.

How many labels does L-Arginine have?

One label is on file, entered on September 25, 2024.

  1. Label 317786 (current) Entered September 25, 2024 · on the market · 60 capsules

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

Who makes it?

The label names MILLECOR (distributor), Richmond, TX. All Millecor products.

Where next?