BioStacksAsk AI about this product 
What it does
A combination of 2 label ingredients.
Citrulline
Form not confirmedGrade —
Studied for exercise performance, but evidence is limited and conflicting; malate combinations have not established superior results.
Arginine
Form not confirmedGrade —
Involved in normal nitric-oxide production; extra arginine has not consistently improved exercise performance.
Ingredients (2)
Other ingredients
Rice ExtractFiller
Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.
Rice HullsAnti-caking
Ground outer husk of rice grains used as a plant-based flow and anti-caking agent
HypromelloseCapsule
Plant-derived capsule material from cellulose
Lab testing
How to take it
On an empty stomach
Split into 2 doses across the day
On the label
As a dietary supplement, take one veggie capsule two times per day with water, on an empty stomach.
Price check
$14.09
$0.23 / serving
Cheaper than 75% of 64 arginine supplements
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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.