Groundbreaking bioflavonoid and advanced vitamin C supplement.
The USANA Difference
This unique formula gives your body advanced antioxidant protection and supports a balanced immune system. Using USANA’s innovative Nutritional Hybrid Technology, Proflavanol® C100 combines grape-seed extract and vitamin C to give you the best of both worlds in a single, powerful tablet.
- Contains a combination of high-quality grape seed extract with the free-radical quenching power of USANA’s Poly C™ blend to raise levels of vitamin C for longer periods of time
- Offers powerful antioxidant protection to help you maintain good health
- Grape seed extract works perfectly with vitamin C to protect cells and enhance your body’s normal immune function
- Protects cells against damaging oxidative stress using grape seed extract
- Clinically shown to support circulatory and cardiovascular health
Learn more about the high-quality ingredients that make up USANA's products.
*Vitamin supplements should not replace a balanced diet. Use only as directed. Always read the label.