BioStacks
XYMOGEN

Xcellent C

2 Capsules · 60 servings · $0.70/serving

iHerbAmazon

Best for

Immune

Ingredients (3)

Black Pepper Extract (Piper nigrum) (fruit)

100%

Dose

15 mg

Target

5–20 mg

Form

—

Vitamin C

100%

Dose

1500 mg

Target

250–2000 mg

Form

Standard

Calcium

130 mg

Trace amount — not scored

Other Ingredients (5)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

HypromelloseCapsule

Plant-derived capsule material from cellulose

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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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