Mediclarum

Sports nutrition · Doctor's Best

L-Citrulline Powder

Why Doctor's Best l-citrulline?

  • 3 g l-citrulline per serving
  • No added or artificial flavors, colors, or preservatives
  • Non-GMO / Gluten Free / Soy Free

From the label’s panel and printed marks — not its marketing.

Supplement Facts

Serving size 1 scoop (3 g)

L-Citrulline3 g

Full panel ↓

Sold as food, not medicine — no regulator checked that it works

3gL-Citrulline

Per serving · 1 scoop (3 g)

At a glance

From the label as printed · NIH DSLD

What it is

Protein powder

Per serving

3 g l-citrulline

66 servings per container

How to take it

Suggested Adult Use: Take 1 scoop daily with 8 oz. of water or beverage of your choice, before workouts, or as recommended by a nutritionally-informed physician.

One serving: 1 scoop (3 g)

Label warning

Warning: Do not use in conjunction with vasodilating medications.

Independent testing

No third-party testing mark on the label

Marks like NSF Certified for Sport or Informed Sport mean batches are tested for banned substances. Their absence does not mean a product is contaminated — only that nobody independent has said it isn’t.

Good to know
  • Sports nutrition — claims are the manufacturer’s
  • No added or artificial flavors, colors, or preservatives
  • Non-GMO / Gluten Free / Soy Free
  • Vegetarian
  • Adult (18 - 50 Years)

Supplement Facts

Supplement Facts

Serving size 1 scoop (3 g)

Servings per container 66

Amount per serving% DV
L-Citrulline3 g†

† Daily Value not established.

Other ingredients: None

Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label

How to take it

  • Suggested Adult Use: Take 1 scoop daily with 8 oz. of water or beverage of your choice, before workouts, or as recommended by a nutritionally-informed physician.

The manufacturer’s directions, from the label.

Warnings on the label

  • Warning: Do not use in conjunction with vasodilating medications.

What no one has checked

Contents are declared by the manufacturer and are not verified by a regulator. Independent testing has repeatedly found amounts that differ from the label, and products that contain substances banned in sport. Third-party certification, where a product has it, is shown on this page.

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Details

BrandDoctor's Best
UPC7 53950 00437 5
NIH label ID60215
Label recorded2016-05-22

Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional