• Supports immune function
• Contains antioxidants that help protect against free radicals
• Helps in collagen formation to maintain healthy bones, cartilage, teeth, and gums
• Supports the body’s ability to metabolize nutrients
• Assists in preventing vitamin C deficiency

Natural Factors C Extra + Quercetin Bioflavonoids is an immune-support formula that combines the antioxidant benefits of vitamin C and the bioflavonoid quercetin in a synergistic 2:1 ratio. Vitamin C helps in collagen formation to maintain healthy bones, cartilage, teeth, and gums, while quercetin enhances the activity of vitamin C in the body. Quercetin is currently being studied for additional health benefits.

Medicinal Ingredients

Each capsule contains:
Vitamin C (ascorbic acid)	500 mg
Quercetin (bioflavonoids)	250 mg

Non-Medicinal Ingredients

Vegetarian capsule (carbohydrate gum [cellulose], purified water), microcrystalline cellulose, vegetable grade magnesium stearate (lubricant), stearic acid, silica.