Skip to main content
Catalog/Vitamin C 500 mg with Flavonoids
Vitamin C 500 mg with Flavonoids — image 1 of 7

Vitamin C 500 mg with Flavonoids

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

Get the antioxidant and immune-supporting benefits of vitamin C with citrus bioflavonoids* Naturally occurring bioflavonoids from oranges optimize the beneficial effects and provide greater antioxidant capacity than vitamin C alone.*

Want to track Vitamin C 500 mg with Flavonoids?
Download Formulate free to build your stack, log daily intake, and get personalized feedback — no account required to browse scores.
Download Free

Overview

Get the antioxidant and immune-supporting benefits of vitamin C with citrus bioflavonoids* Naturally occurring bioflavonoids from oranges optimize the beneficial effects and provide greater antioxidant capacity than vitamin C alone.*

Warnings

ALLERGY WARNING: This product is contraindicated in an 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

3× DAILYAmounts shown are the daily total. Take 1 capsule one to three times daily or as recommended by your health-care practitioner.
Citrus Bioflavonoids↗
225mg
3× 75mg/serving
38% TR
OPTIMALGOOD
Vitamin C↗
Ascorbic Acid
1.5g
3× 500mg/serving
1667% DV
OPTIMALGOOD

Other Ingredients

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

Product Info

Serving Size
1 capsule
Servings
90
Price
$23.00
Per Serving
$0.26
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%92
•1 Grade A, 1 Grade B ingredients
•Evidence grades: A(1), B(1)
•1 ingredient(s) have Grade B evidence - all A's would score higher
Dose Adequacy
20%95
•Optimal: Citrus Bioflavonoids
•Reference coverage: 100%
Form/Bioavailability
20%89
•2 good: Vitamin C (Ascorbic Acid), Citrus Bioflavonoids (standard)
•Good form quality overall
•Primary ingredient Vitamin C could use a higher bioavailability form
Transparency
10%100
•Full disclosure - all doses labeled
Safety/Redundancy
10%90
•Drug interactions: Blood thinners, Aluminum-containing antacids, Chemotherapy (selected) (May reduce chemotherapy effectiveness)
•Contraindications: None known
•Focused formula (2 ingredients)
•May interact with: Blood thinners, Aluminum-containing antacids
•Consult healthcare provider if taking medications
•Review if you have: None known
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 Score91/100

Related Resources

Interactions
Check Vitamin C drug interactions
Free public checker — 100+ curated supplement ↔ drug pairs.
Methodology
How Formulate scores supplements
The 6-component rubric behind every score on this site.
← Back to catalog