Source Naturals L-Citrulline · 2.25 g l-citrulline

Sports nutrition · Source Naturals

L-Citrulline

Why Source Naturals l-citrulline?

2.25 g l-citrulline per serving
Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

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

Supplement Facts

Serving size approx. 2.25 g (1 tsp)

L-Citrulline2.25 g

Full panel ↓

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

2.25gL-Citrulline

Per serving · approx. 2.25 g (1 tsp)

At a glance

From the label as printed · NIH DSLD

What it is

Protein powder

Per serving

2.25 g l-citrulline

44 servings per container

How to take it

1 level teaspoon 3 times daily, mixed with water or juice.

One serving: approx. 2.25 g (1 tsp)

Label warning

Warning: Consult your physician prior to using this product if you are pregnant, may become pregnant, breastfeeding, or if you are taking prescription drugs for conditions such as heart disease or erectile dysfunction.

All warnings ↓

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
Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
Adult (18 - 50 Years)

Supplement Facts

Serving size approx. 2.25 g (1 tsp)

Servings per container 44

Amount per serving		% DV
L-Citrulline	2.25 g	†

† Daily Value not established.

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 Use: 1 level teaspoon 3 times daily, mixed with water or juice.

The manufacturer’s directions, from the label.

Warnings on the label

Warning: Consult your physician prior to using this product if you are pregnant, may become pregnant, breastfeeding, or if you are taking prescription drugs for conditions such as heart disease or erectile dysfunction.
Not recommended for use following a heart attack.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.

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.

Compare with similar products

L-CITRULLINEAllergy Research GroupL-Citrulline3 g l-citrullinePowder · 1 Teaspoon (3 g)L-CITRULLINEBest NaturalsL-Citrulline 2000 mg2000 mg l-citrullineTablet or Pill · 2 Tablet(s)L-CITRULLINEBodyTechL-Citrulline3 g l-citrullinePowder · 1 scoop (3 g)L-CITRULLINEBulkSupplements.comL-Citrulline3 g l-citrullinePowder · about 1/2 tbsp (3 g)L-CITRULLINEBulkSupplements.comL-Citrulline3 g l-citrullinePowder · about 1/2 tbsp (3 g)L-CITRULLINEBulkSupplements.comL-Citrulline3 g l-citrullinePowder · about 1/2 tbsp (3 g)

Details

Brand	Source Naturals
UPC	0 21078 01994 7
NIH label ID	73744
Label recorded	2017-05-24

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