BioStacks
Bluebonnet

Buffered Vitamin C-500 mg

1 Capsule · 90 servings · $0.19/serving

iHerbAmazon

Best for

Immune

Ingredients (5)

Vitamin C

100%

Dose

500 mg

Target

250–2000 mg

Form

Standard

Citrus Bioflavonoids Complex

100%

Dose

250 mg

Target

250–1000 mg

Form

—

Hesperidin

20%

Dose

100 mg

Target

500–1000 mg

Form

—

Rutin

4%

Dose

10 mg

Target

250–500 mg

Form

—

Calcium

56 mg

Trace amount — not scored

Other Ingredients (3)

Magnesium StearateLubricant

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

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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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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