Supplement Label Index / Allergy Research Group

Polyphenol-C 500

Allergy Research Group · Capsule · On market

Matched compounds

Compound	Form	Tier	Amount
Cranberry (Vaccinium macrocarpon)	Cranberry extract / concentrate (ratio or PAC-standardized)	Unrated	in blend (undisclosed)
Grape Seed Extract	unspecified/undisclosed form	Unrated	in blend (undisclosed)
Vitamin C	Ascorbic Acid	Tier 1	500 mg

How these doses compare

Vitamin C: 500 mg per serving — higher than 79% of 18,522 on-market products declaring it (market median 120 mg).

Per serving as declared; serving sizes and daily directions differ between products.

Excipients

Hypromellose
Silicon Dioxide — Food Additive Index
Stearic Acid

Label statements

other: Non-GMO vitamin C with concentrated polyphenols from grapes, blueberries, cranberries, blackberries, raspberries, and strawberries. Polyphenols from fruits and berries are the most abundant source of antioxidants in our diets.
other: Suggested Use As a dietary supplement, 1 capsule one or two times daily with or without food, or as directed by a healthcare practitioner.
other: Keep in cool, dry place, tightly capped.
other: Polyphenol-C 500 with Berry Polyphenols
identity: Dietary Supplement

Sibling formulas (Formula Twins)

Ultra-C Forte (Douglas Laboratories)
Bio Complex C (VitaCeutical Labs)
All Day C 500 mg (VitaCeutical Labs)
C Extra 500 mg Plus 250 mg Bioflavonoids (Natural Factors)
Sustained Release Vitamin C 500 mg (Bronson Laboratories)
Ultra-C Forte (Douglas Laboratories)
TRC 500 Timed-Release Vitamin C (Douglas Laboratories)
Cap C-500 500 mg (Country Life)
Timed Release C-500 mg (Vitamin World)
Sustained Release Vitamin C 500 mg (Bronson Laboratories)
Ultimate Eye II (Dr. Stan Guberman)
Cap C-500 500 mg (Country Life)
C 500 mg (Thompson)
Day Long C 500 mg (Vitamer Laboratories)
C-500 Complex 500 mg (The Vitamin Shoppe)
Vitamin C 500 mg (The Vitamin Shoppe)
TRC 500 (Douglas Laboratories)
Vitamin C 500 mg (Bluebonnet)
Vitamin C 500 mg (Bluebonnet)
Vitamin C-500 mg Plus Rose Hips (Bluebonnet)

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Label facts as declared by the manufacturer to the NIH Dietary Supplement Label Database (DSLD), not independently lab-tested. This page reports what the label says; it does not rate, score, or recommend this product.