• 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 with the bioflavonoid quercetin for enhanced support. Vitamin C is not stored by the body and needs to be consumed daily in order to maintain the levels recommended for overall health. Additionally, the body’s need for vitamin C increases during times of stress, such as intense physical activity, illness, antibiotic use, and exposure to pollutants.

Medicinal Ingredients