THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges…
- Vitamin C
- Better rated than 99%
A bioflavonoid-paired 500mg vitamin C from a third-party certified brand, though the listing itself is light on format and allergen detail.
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How it ranks among the 88 vitamin c we track
4.9★ across 3,540 Amazon ratings, Bayesian-smoothed toward the category average.
3,540 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
10,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 88 vitamin c we track - how the scorecard works · full vitamin c data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
500mg of vitamin C meets citrus bioflavonoids sourced from oranges in this Thorne formula. The 90-serving bottle is third-party certified, aimed at anyone wanting a bioflavonoid-paired vitamin C rather than a plain ascorbic acid tablet.
Thorne pairs the 500mg vitamin C dose here with citrus bioflavonoids from oranges, a combination the brand ties to immune support, cellular energy and collagen synthesis. The listing does not specify whether the product ships as a capsule or tablet, or state allergen information, so anyone with dietary restrictions should confirm on the physical label before buying. It is third-party certified, a claim Thorne highlights across its supplement line.
- 500mg vitamin C per serving
- Citrus bioflavonoids from oranges
- 90 servings per bottle
- Third-party certified
Who it's for
Anyone who wants vitamin C paired with bioflavonoids rather than a bare ascorbic acid pill fits this formula well. Buyers who need confirmed capsule format or allergen details in advance should check the label first, since this listing's spec data is sparse.
Strengths and trade-offs
Drawn from this product's published specifications.
- 500mg vitamin C paired with citrus bioflavonoids
- From an established supplement brand
- Listing does not specify capsule or tablet format
- No allergen or diet information listed for this product
Performance notes
Each serving provides 500mg of vitamin C alongside citrus bioflavonoids from oranges, a pairing Thorne links to immune system support, cellular energy production and collagen synthesis. The bottle is sized for 90 servings and is third-party certified.
Specifications
| Brand | THORNE |
|---|---|
| Model | C154 |
Other THORNE vitamin c
How it compares
This product against the closest alternatives we track in vitamin c.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges…This product | 4.9 / 5 | 3,540 | 2.7 / 5 |
| Emergen-C 1000mg Vitamin C Powder for Daily Immune Support Caffeine Free Vitamin C…Emergen-C | 4.8 / 5 | 53,857 | 4.7 / 5 |
| Nature's Bounty Vitamin C + Rose HipsNature’s | 4.8 / 5 | 49,343 | 4.7 / 5 |
| Nature Made Extra Strength Vitamin C 1000 mg TabletsNATURE | 4.8 / 5 | 40,190 | 4.7 / 5 |
| Nutricost Vitamin C with Rose Hips 1025mgNutricost | 4.8 / 5 | 23,867 | 4.7 / 5 |
Similar vitamin c from other brands
Questions about the THORNE C154
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the vitamin C dose in Thorne's Vitamin C 500mg (C154)?
Each serving provides 500mg of vitamin C.
Does this product include bioflavonoids?
Yes, it is blended with citrus bioflavonoids sourced from oranges.
How many servings are in one bottle?
The bottle is sized for 90 servings.