Vitamin C 1,000 mg
Scored by the Formulate Research Team · Last reviewed July 2026
Overview: Thorne Vitamin C 1,000 mg
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.*
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Hypromellose (derived from cellulose) capsule, Calcium Laurate, Cellulose
Recommended Use
Take 1 capsule daily or as recommended by your health-care practitioner.
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
Frequently Asked Questions
What is Thorne Vitamin C 1,000 mg's Formulate score?
Thorne Vitamin C 1,000 mg scores 90 out of 100 (grade A) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Thorne Vitamin C 1,000 mg worth it?
Thorne Vitamin C 1,000 mg scores 90/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Thorne Vitamin C 1,000 mg?
Each serving contains Vitamin C (1 g). Serving size: 1 capsule. 60 servings per container.
How do I take vitamin c 1,000 mg?
Take 1 capsule daily or as recommended by your health-care practitioner.
Who makes Vitamin C 1,000 mg?
Vitamin C 1,000 mg is made by Thorne. See Formulate's full grade and product lineup for Thorne on its brand page.
Is Thorne Vitamin C 1,000 mg third-party tested?
Thorne lists the following certifications and testing for this product: Gluten Free, Soy Free, Dairy Free, Derived From Natural Flavors, Derived From Natural Colors, Made in USA, Third-Party Contents Certified, Thorne Verified, GMP.
Related Supplements
Track vitamin c 1,000 mg in your stack
Build a personalized supplement stack free in your browser — no install. Flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Is Vitamin C 1,000 mg right for your goals?
Two questions, then every ingredient graded against what you're actually trying to do — plus what it costs per effective dose.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.