BioStacks
Pure Encapsulations

Nitric Oxide Support

Powder · 1 Scoop (Approximately 5.4 Grams) · 30 servings · $1.58/serving

50 / 100Average

Best for

Score Breakdown

Formulation
58
Safety
87
Final score
50/100

Ingredients (3)

L-Arginine

100%

Dose

2050 mg

Target

2000–6000 mg

Form

Vitamin C

80%

Dose

200 mg

Target

250–2000 mg

Form

Budget

Citrulline

12%

Dose

715 mg

Target

6000–8000 mg

Form

Standard

Other Ingredients (4)

XylitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.

Monk Fruit ExtractSweetener

Zero-calorie natural sweetener derived from the monk fruit (Siraitia grosvenorii)

Stevia ExtractSweetener

Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana

lemon flavor and lime flavor

Not reviewed yet

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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.