PlainVitamins

L-Arginine Alpha Ketoglutarate

by HR Supplements · powder · 500 grams

  • On the market (NIH)
  • UPC 8 18136 45941 4
  • DSLD label 287081
  • Serving 3.5 g (~1 leveled scoop)
  • 142 servings

L-Arginine Alpha Ketoglutarate by HR Supplements lists one ingredient: 3.5 g of L-arginine alpha ketoglutarate per serving of 3.5 g. Its current label entered the NIH Dietary Supplement Label Database on June 22, 2023.

What is in L-Arginine Alpha Ketoglutarate?

Each row as the label prints it, per serving of 3.5 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).

L-Arginine Alpha Ketoglutarate: Supplement Facts rows against the market (DSLD label 287081, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Arginine Alpha Ketoglutarate3.5 gArginine Alpha Ketoglutarate in L-Arginine Alpha Ketoglutarate against 322 products3.5 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.3.5 g

Higher than 90% of 322 products listing arginine alpha ketoglutarate (median 1 g). Per day at the most servings: 7 g.

Source: NIH ODS Dietary Supplement Label Database, label 287081 (entered June 22, 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:

  • Its 3.5 g of L-arginine alpha ketoglutarate (filed by NIH under arginine alpha ketoglutarate) is higher than 90% of the 322 arginine alpha ketoglutarate products that print an amount; 19 list more.

The NIH database records 1 to 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
Suggested Use: As a dietary supplement, take 1 leveled scoop (3.5 grams) with 8-12 ounces of water or suitable beverage. Taken 1-2 times daily, once in the morning on an empty stomach and/or again one hour prior to workout for best results.
1 Carefully measure out suggested serving size using a microscale or the provided scoop. 2 Add to preferred beverage. 3 Mix well. 4 Drink within 10-15 minutes. How to use
Warnings
Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).
Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).
Always consult with a qualified health physician before taking any new dietary supplement.
Do not use or consume if seal is broken.
Allergens and what it does not contain
Allergens: This product contains no soy, dairy, dairy byproducts, eggs, shellfish, wheat, gluten, tree nuts, or sesame seeds.
This is a Non-GMO ingredient.
Storage
Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Source: label statements in DSLD label 287081.

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): Lab Tested for Purity and Quality; Packaged in USA Lab Tested.

How many labels does L-Arginine Alpha Ketoglutarate have?

One label is on file, entered on June 22, 2023.

  1. Label 287081 (current) Entered June 22, 2023 · on the market · 500 grams · UPC 8 18136 45941 4

DSLD also links this label to: L-Arginine Alpha Ketoglutarate (package size difference, same product), L-Arginine Alpha Ketoglutarate (package size difference, same product), L-Arginine Alpha Ketoglutarate (package size 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 Guardian Wholesale (manufacturer), Phoenix, AZ. All HR Supplements products.

Where next?