BioStacks
American Health

Ester-C®, 225 Vegetarian Tablets (500 mg per Tablet)

2 Tablets

83 / 100Excellent

Best for

Score Breakdown

Formulation
83
Safety
100
Final score
83/100

Ingredients (2)

1 scored · 1 not scored

Vitamin C1000 mg

Optimal dose

Calcium110 mg

Trace amount — not scored

Other Ingredients

Fillers, coatings, and additives

4Safe

Magnesium StearateLubricant

Safe

Calcium SilicateAnti-caking

Safe

Natural Palm Leaf GlazeCoating

Safe

Microcrystalline CelluloseBinder

Safe

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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.