THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Supports Immune System, Cellular Energy Production & Collagen Synthesis* - Third-Party Certified - 90 Servings Review
Our verdict
Thorne's Vitamin C blends a 500 mg dose with citrus bioflavonoids from oranges, sized for 90 servings and third-party certified, aimed at buyers who want a tested, mid-dose vitamin C.
Check price on AmazonBest for
Buyers who want a vitamin C supplement paired with citrus bioflavonoids and independent third-party testing.
Skip if
You want the highest available milligram dose in one serving, since this is a 500 mg formulation rather than a 1000 mg or higher option.
- Priced 30% above the category median ($17.72 across 87 tracked models)
Pros
- Blended with citrus bioflavonoids from oranges rather than plain ascorbic acid
- Third-party certified for label accuracy
- Very high 4.9 rating across a large review base
- 90 servings per package
Cons
- 500 mg dose is lower than some higher-strength vitamin C products
- Premium, certified-brand pricing compared to basic ascorbic acid tablets
- No listed flavor or capsule count detail in this dataset
Our scorecard
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Owner rating4.9/5
4.9 average across 3,540 owner ratings
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Popularity2.6/5
3,540 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
['This vitamin C supplement from Thorne blends 500 mg of vitamin C with citrus bioflavonoids sourced from oranges, packaged for 90 servings. Thorne lists the product as third-party certified, meaning an outside lab checks the product against label claims.', 'The maker markets it for immune system support, cellular energy production and collagen synthesis. These are manufacturer-stated claims only, not medical claims, and the product is not intended to diagnose, treat, cure or prevent any disease.', 'Priced at about 23 dollars for 90 servings, this lands in the mid-range for a certified vitamin C brand. A 4.9 rating from over 3,500 reviews and roughly 10,000 recent monthly purchases points to strong, wide-reaching buyer satisfaction.']
Performance notes
A 500 mg vitamin C formula blended with citrus bioflavonoids from oranges, sized for 90 servings and third-party certified. The maker markets it for immune support, cellular energy production and collagen synthesis.
What buyers say
A 4.9 rating from more than 3,500 reviews and about 10,000 recent monthly purchases points to very strong, broad-based satisfaction, among the highest ratings in this category.
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Frequently asked questions
What are citrus bioflavonoids and why are they included?
Citrus bioflavonoids are plant compounds sourced from oranges that Thorne pairs with the vitamin C in this formula. The maker markets the combination for antioxidant and immune support, a manufacturer claim rather than a medical one.
What does third-party certified mean here?
It means an independent lab has tested the product against its label claims, which some buyers use as a quality check. Check the current packaging for the specific certification program.
How many servings are in one package?
The listing sizes this product at 90 servings. Follow the serving size and directions on the current label for daily use.