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Catalog/Vitamin C 1,000 mg
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Vitamin C 1,000 mg

ThorneA-
💊Capsule
🛡️Immune Support
🔬Third-Party🏭GMP📊Clinical Evidence💪Optimal Doses

Provides antioxidant and immune support, while also promoting healthy, glowing skin* Get support for healthy skin and optimal whole-body wellness with Vitamin C – a vitamin that promotes healthy immune function and collagen production.*

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Overview

Provides antioxidant and immune support, while also promoting healthy, glowing skin* Get support for healthy skin and optimal whole-body wellness with Vitamin C – a vitamin that promotes healthy immune function and collagen production.*

Warnings

ALLERGY WARNING This product is contraindicated in a individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS There are no known interactions or contraindications at publication date. OTHER WARNINGS Vitamin C can cause diarrhea in some individuals in large doses, which can vary from person to person. This resolves when the dosage is reduced.

Active Ingredients

Vitamin C↗
Ascorbic Acid
1g
1111% DV
OPTIMALGOOD

Other Ingredients

Hypromellose (derived from cellulose) capsule, Calcium Laurate, Cellulose

Product Info

Serving Size
1 capsule
Servings
60
Price
$19.00
Per Serving
$0.32
Form
capsule

Where to Buy

Official WebsiteAmazoniHerb

Links may contain affiliate partnerships. See our disclosure for details.

Certifications

Gluten FreeSoy FreeDairy FreeDerived From Natural FlavorsDerived From Natural ColorsMade in USAThird-Party Contents CertifiedThorne VerifiedGMP

Score Breakdown

Evidence Quality
25%100
•All ingredients have Grade A evidence
•Evidence grades: A(2)
Dose Adequacy
20%95
•Optimal: Vitamin C (as Ascorbic Acid)
•Reference coverage: 100%
Form/Bioavailability
20%88
•1 good: Vitamin C (Ascorbic Acid)
•Good form quality overall
•Primary ingredient Vitamin C could use a higher bioavailability form
Transparency
10%90
•Full disclosure - all doses labeled
•Contains proprietary blend
•Avoid proprietary blends - look for products with fully disclosed formulas
•Proprietary blends prevent knowing exact doses - choose transparent alternatives
Safety/Redundancy
10%96
•Drug interactions: Blood thinners, Aluminum-containing antacids, Chemotherapy (selected) (May reduce chemotherapy effectiveness)
•Focused formula (1 ingredient)
•May interact with: Blood thinners, Aluminum-containing antacids
•Consult healthcare provider if taking medications
Manufacturing Quality
10%82
•Third-party testing verified
•Certifications: Third-party tested, GMP Certified
•NSF Certified products ensure contaminant-free manufacturing
•Missing: NSF Certified for Sport, USP Verified
Overall Score92/100

Related Resources

Interactions
Check Vitamin C drug interactions
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Methodology
How Formulate scores supplements
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