C 1000 mg

Name: C 1000 mg
Brand: Nature Made

tablet150 servings1 Tablet(s)

Gluten Free

/100fair label

Check price on iHerb

Supplement Facts

Ingredient	Amount	% DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted.
Vitamin C	1000 mg	1111%

Other ingredients: Cellulose Gel, Hypromellose, Croscarmellose Sodium, Stearic Acid, Magnesium Stearate, Silicon Dioxide, Polyethylene Glycol

Score Breakdown

Dosage TransparencyAre all ingredient amounts explicitly listed on the label? Are %DV values provided where applicable? This measures transparency of dosing, not clinical efficacy.

12/35

Label TransparencyHow complete is the labeling? Checks serving info, dietary certifications, and whether any doses are hidden behind proprietary blends.

25/25

Formulation CleanlinessHow clean are the inactive ingredients? Penalizes artificial colors, sweeteners, titanium dioxide. Rewards vegan, gluten-free, organic.

17/25

Ingredient ProfileFormula composition signals: focused vs comprehensive, use of branded/patented forms (KSM-66, Albion, etc.), explicit dosing.

5/15

This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology

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General Ingredient Research — not an evaluation of this product

The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.

Vitamin C

strong

Supports immune function

Supports immune cell function. Regular supplementation may modestly reduce cold duration, but does not prevent colds.

strong

Antioxidant protection

Potent water-soluble antioxidant that protects cells from oxidative damage.

strong

Supports collagen synthesis

Essential cofactor for enzymes involved in collagen production.

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All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by Nature Made. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology