BioStacks
Kirkland Signature

Vitamin C 1000 mg with Rose Hips and Bioflavonoids

1 Tablet · 500 servings · $0.04/serving

33 / 100Poor

Best for

Score Breakdown

Formulation
38
Safety
87
Final score
33/100

Ingredients (3)

Vitamin C1000 mg

Within effective range

Citrus Bioflavonoid Complex100 mg

40% of effective dose

Hesperidin10 mg

2% of effective dose

Other Ingredients

Fillers, coatings, and additives

9Safe1Caution

MaltodextrinBinder

Caution

Magnesium StearateLubricant

Safe

Silicon DioxideAnti-caking

Safe

Croscarmellose SodiumDisintegrant

Safe

Guar GumThickener

Safe

HypromelloseCapsule

Safe

Microcrystalline CelluloseBinder

Safe

Vegetable OilCarrier

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.