Thorne Research Vitamin C with Flavonoids

Selection: 90 Capsules
Sale price$18.00

- Free shipping on U.S. orders over $39
- 45 Day Return Policy


  • Thorne's Vitamin C with Flavonoids contains ascorbic acid and citrus flavonoids (a mixture of naturally-occurring flavonoids, including rutin, hesperidin, and quercetin), and is 100 percent pure.
  • Synergistic blend of vitamin C and citrus bioflavonoids from oranges.
  • Vitamin C and flavonoids the way they're found together in nature.
  • Research shows a decrease in occasional sneezing and runny nose (not associated with a virus) with increased vitamin C intake.

Suggested Use: 

Take 1 capsule one to three times daily or as recommended by your health professional.


Serving Size: One Capsule

One Capsule Contains......%DV

Vitamin C (as Ascorbic Acid).......500 mg.......556%

Citrus Bioflavonoids .......75 mg *

*Daily Value (DV) not established.

Other Ingredients:

Hypromellose (derived from cellulose) capsule, Silicon Dioxide.

Allergy Warning

This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.


If pregnant, consult your health professional before using this product.


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.

* These statements have not been evaluated by the U.S. Food and Drug Administration. This product is not intended to treat, mitigate, diagnose or cure any disease.

Customer Reviews

Based on 9 reviews
Madolin W.

Simple, all you need, perfect. Because it’s ascorbic acid rather than a buffered form of Vitamin C, my recommendation is to take it with food rather than on an empty stomach.

Jack M.
Thorne Vitamin C with Flavenoids

Good form of Vitamin C.

Dennis W.
Thorne Research Vitamin C with Flavonoids.

Gret product AND save big!!

Anthony G.
Great product

Easy to swallow and no after taste.

Liz E.
Thorne C with Flavonoids

I just sent it to my daughter so she can have a quality brand vitamin C

Recently viewed