BioStacks
Dr. Mercola

Pure Power Endurance Glycine + L-Arginine (Berry Blast)

Powder · 1 Scoop (8.6g) · 30 servings · $1.67/serving

iHerbAmazon

Best for

Sleep

Ingredients (8)

Glycine

100%

Dose

4 g

Target

3–5 g

Form

—

L-Arginine

100%

Dose

2000 mg

Target

2000–6000 mg

Form

—

elevATP

100%

Dose

150 mg

Target

150–300 mg

Form

—

CitraPeak Glucosyl-Hesperidin

40%

Dose

200 mg

Target

500–1000 mg

Form

—

Citrus aurantium Fruit Extract

Amount not found

Other Ingredients (4)

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Malic AcidAcidulant

Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements

Stevia ExtractSweetener

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

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L-Arginine HCL 4000mg

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Nitric Oxide Max 3600mg

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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.

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