PlainVitamins

L-Arginine

by Orphic Nutrition · capsule · 60 capsules

  • On the market (NIH)
  • UPC X002E8WE3N
  • DSLD label 285531
  • Serving 2 capsules
  • 30 servings

L-Arginine by Orphic Nutrition lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 30 mg NE of niacin, 30 mg of calcium, 400 mg of L-arginine and 400 mg of L-arginine. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2023.

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 285531, January 2026 release)
IngredientAmount% DVAmong products listing it
Niacin30 mg NE188%Niacin in L-Arginine against 12,413 products30 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg30 mg

Higher than 63% of 12,413 products listing niacin (median 20 mg).

Calciumas Calcium Carbonate30 mg2%Calcium in L-Arginine against 17,831 products30 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg30 mg

84% of 17,831 products listing calcium give more (median 115 mg).

L-Argininebase400 mgArginine in L-Arginine against 1,455 products800 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.800 mg

Higher than 61% of 1,455 products listing arginine (median 500 mg).

L-Arginineas L-Arginine Alpha-Ketoglutarate2:1 Extract400 mg
L-Citrulline Hydrochloride200 mgCitrulline in L-Arginine against 1,209 products0.2 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.2 g

93% of 1,209 products listing citrulline give more (median 3 g).

L-Citrulline Malate Extract200 mgCitrulline malate in L-Arginine against 655 products0.2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.0.2 g

97% of 655 products listing citrulline malate give more (median 3 g).

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 285531 (entered May 24, 2023), 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:

  • 93% of the 1,209 products that print an amount of citrulline list more than its 0.2 g of L-citrulline hydrochloride (filed by NIH under citrulline) (median 3 g).
  • 97% of the 655 products that print an amount of citrulline malate list more than its 0.2 g of L-citrulline malate extract (filed by NIH under citrulline malate) (median 3 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?

2 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 285531.

What else is on the label?

Other ingredients: Cellulose, Magnesium Stearate, Silicon Dioxide.

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

How many labels does L-Arginine have?

One label is on file, entered on May 24, 2023.

  1. Label 285531 (current) Entered May 24, 2023 · on the market · 60 capsules · UPC X002E8WE3N

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

Who makes it?

The label names Orphic Nutrition (distributor), Miami, FL. All Orphic Nutrition products.

Where next?