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Nitric Oxide

Premium Certified · United States · capsule · 90 Capsule(s)

Original label PDF

Per day

IngredientPer day% DV% of limit
Alpha-ketoglutarate (AKG)1,350 mg — —
L-Arginine1,680 mg — 21%
L-Citrulline480 mg — —
Fenugreek30 mg — 0%
Greens / grasses / vegetable powders75 mg — —
Organic acids (malic, citric...)60 mg — —
Pine bark (Pycnogenol)30 mg — —
Quercetin30 mg — 5%
Tongkat ali30 mg — 8%

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Label source:US NIH DSLD · NIH ODS Dietary Supplement Label Database (DSLD) API v9 · US Government work (public domain) · 2026-10-26

Label ingredients (per serving)

IngredientLabel valueCleanedData check
Nitri-Syl Proprietary L-Arginine Blend 1,680 mg1,680 mg ok
AAKG blend 1,350 mg1,350 mg warning
MONO blend 255 mg255 mg warning
Malate blend 60 mg60 mg warning
AKIC blend 15 mg— excluded
L-Citrulline 480 mg480 mg ok
Beetroot (B. vulgaris) extract 75 mg75 mg ok
Pine bark (P. pinaster) extract 30 mg30 mg ok
Quercetin
S. japonica
30 mg30 mg ok
Fenugreek (T. foenum-graecum) seed extract 30 mg30 mg ok
Longjack (E. longifolia) extract 30 mg30 mg ok
Common Oat (A. sativa) extract 30 mg— excluded
Bullhead (T. terrestris) extract 15 mg— excluded
vegetarian Cellulose — —

Label data from official national databases and brand websites, as declared; not lab-verified.

For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.
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