Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
A combination of 2 label ingredients.
Label lists L-Citrulline (500 mg). Benefit information is limited.
Label lists L-Arginine (500 mg). Benefit information is limited.
MonoglyceridesEmulsifier
Glycerol monoesters of fatty acids used as emulsifiers and processing lubricants
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Oleic AcidEmollient
A monounsaturated fatty acid used as an emollient and penetration aid
Polyethylene Glycol (Coating)Coating
A polyether polymer used as a tablet coating and plasticizer
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
Carnauba WaxCoating
Hard plant wax from the carnauba palm used to glaze gummies and tablets
EthylcelluloseCoating
A cellulose-derived polymer used for film coating and binding.
On the label
As a dietary supplement, take one to three caplets daily.
$39.99
$0.33 / serving
Pricier than 96% of 33 citrulline supplements

Micro Ingredients
Nitric Oxide Booster 3600mg
❤️ for Heart

Source Naturals
L-Arginine L-Citrulline Complex
❤️ for Heart

Horbäach
L-Arginine L-Citrulline Complex 3000mg
❤️ for Heart

Source Naturals
L-Arginine L-Citrulline Complex 1,000 mg
❤️ for Heart

Source Naturals
L-Arginine L-Citrulline Complex 1000 mg
❤️ for Heart
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.
Not medical advice. Consult your healthcare professional.