Guides & Comparisons / Citrulline guides
Citrulline Serving Size: Comparing 3 g, 6 g and 8 g Labels
Different serving sizes can make a package look cheaper or more expensive until the declared amount is normalized.By Suppscan Editorial Team · Last checked September 22, 2026Different serving sizes can make a package look cheaper or more expensive until the declared amount is normalized.

Make the serving sizes comparable
A 3 g serving and a 6 g serving cannot be compared by price alone. Record the declared grams per serving and number of servings, calculate total declared citrulline, then express price against one common amount. This makes the arithmetic clearer without implying that one serving size is appropriate for everyone.
What this guide compares
Read the product label before comparing a headline claim. This guide focuses on declared grams per serving, total package amount, serving count, and cost per common comparison amount. Use the stated numbers and leave any undisclosed value unknown.
How to compare the same unit
For a worked example only, a $24 package with 50 servings of 6 g declared L-citrulline contains 300 g. Its cost is $0.48 per stated 6 g amount. This is label arithmetic, not a usage recommendation or a live price.
Keep price and formulation separate
A package price is a useful starting point, but it does not describe the full formula. Compare the ingredient information and package size first, then use one common calculation to make the cost easier to understand.
Use current SuppScan data
SuppScan presents the product data available in its catalog and does not manufacture missing values. Open the Citrulline comparison to review current offers and normalized metrics.
Frequently asked questions
What should I compare first?
Start with the declared active amount and serving information. A front-label phrase cannot replace the values in the product facts panel.
Does this page rank products?
No. It explains a comparison method and links to current catalog data rather than claiming a permanent winner.
Sources and review
Method: declared manufacturer label data and current merchant listings where available. Worked prices are explicitly illustrative calculations, never live quotes. Last reviewed September 22, 2026. Read how Suppscan compares products.
Current products tracked by SuppScan
Live catalog snapshot: package prices and disclosed metrics currently available for this category. Missing metrics stay blank.
| Product | Merchant | Price | Normalized metrics |
|---|---|---|---|
| Now Foods L Citrulline Pure Powder · 0.113 kgNow Foods L Citrulline Pure Powder | iHerb | €25.83 | price per 100g: €22.86price per 6g citrulline: €1.38servings: 75 |
| Vitacost L Citrulline 750 Mg 180 CapsulesVitacost L Citrulline 750 Mg 180 Capsules | iHerb | €9.80 | price per 6g citrulline: €0.44servings: 180 |
| Source Naturals L Citrulline 500 Mg 120 CapsulesSource Naturals L Citrulline 500 Mg 120 Capsules | iHerb | €27.36 | price per 6g citrulline: €2.74servings: 30 |
| Bodytech L Citrulline Fermented Unflavored · 0.18 kgBodyTech | iHerb | €27.73 | price per 100g: €15.41servings: 60 |
| Now Foods Sports L Citrulline 1 200 Mg 120 TabletsNow Foods Sports L Citrulline 1 200 Mg 120 Tablets | iHerb | €31.66 |