BioStacks
Source Naturals
L-Arginine L-Citrulline Complex 1000 mg
1 Tablet × 4/day · 120 servings · $0.14/serving
Best for
Ingredients (2)
L-Arginine
100%Dose/day
3000 mg
Target
2000–6000 mg
Form
Premium
L-Citrulline
33%Dose/day
1000 mg
Target
3000–6000 mg
Form
—
Other Ingredients (4)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Take between meals — food blunts the rise in plasma arginine.
On an empty stomach
Split into 4 doses across the day
On the label
1 tablet four times daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$16.91
Cheaper than 81% of 35 citrulline supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.