PlainVitamins

L-Arginine Complete

by Natures Nectar · capsule · 90 capsules

  • On the market (NIH)
  • UPC X000TGJ8DV
  • DSLD label 246714
  • Serving 3 capsules
  • 30 servings

L-Arginine Complete by Natures Nectar lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 2,000 mg of L-arginine alpha-ketoglutarate, 50 mg of L-ornithine alpha-ketoglutarate, 50 mg of L-glutamine alpha-ketoglutarate and 25 mg of L-arginine ketoisocaproate. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2021.

What is in L-Arginine Complete?

Each row as the label prints it, per serving of 3 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 Complete: Supplement Facts rows against the market (DSLD label 246714, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Arginine Alpha-Ketoglutarate2,000 mgArginine Alpha Ketoglutarate in L-Arginine Complete against 322 products2 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.2 g

Higher than 75% of 322 products listing arginine alpha ketoglutarate (median 1 g).

L-Ornithine Alpha-Ketoglutarate50 mgOrnithine ketoglutarate in L-Arginine Complete against 97 products50 mg per serving; the middle half of products list 75 mg to 1,000 mg, the median 150 mg.50 mg

79% of 97 products listing ornithine ketoglutarate give more (median 150 mg).

L-glutamine alpha-ketoglutarate50 mg
L-Arginine Ketoisocaproate25 mg

Source: NIH ODS Dietary Supplement Label Database, label 246714 (entered March 25, 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?

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:

  • 79% of the 97 products that print an amount of ornithine ketoglutarate list more than its 50 mg of L-ornithine alpha-ketoglutarate (filed by NIH under ornithine ketoglutarate) (median 150 mg).

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: 3 capsules with 8 ounces of water daily or as directed by a healthcare professional.
Warnings
Caution: Do not exceed recommended dose.
Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
Keep out of the 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 246714.

What else is on the label?

Other ingredients: Vegetable Cellulose, Vegetable Magnesium Stearate, Rice Flour.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Proudly made in the USA GMP Good Manufacturing Practice Manufactured in a GMP Certified Facility.

How many labels does L-Arginine Complete have?

One label is on file, entered on March 25, 2021.

  1. Label 246714 (current) Entered March 25, 2021 · on the market · 90 capsules · UPC X000TGJ8DV

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

Who makes it?

The label names Natures Nectar (distributor), Independence, Ohio. All Natures Nectar products.

Where next?