Natural Factors C Extra + Quercetin 500mg/250mg 60 CapsulesNatural 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,

Adults: Dissolve one tablet daily on or under tongue

a kidney disorder or blood pressure problems

This is the best of all formulas and contains a one-month supply to complement your healthy lifestyle habits and promote energy from within

providing strength and energy and enhancing sexual drive

Contains 5 Unique Strains providing 7 billion active cells

Magnesium (Oxide) 64 mg

Only K2 in the form of MK-7 has been shown to offer 24-hour protection in a single daily dose

Aids tissue and red blood cell formation

Biotin 200 mcg

Helps relieve inflammation

Potassium (Chloride) 80 mg

SPF is a measure of how much UVB rays are blocked out