Dietary Supplement. No dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs. Suitable for vegetarians/vegans. Non-GMO. Immune Support. 60 easy swallow capsules. Isura. Mass SPEC. Documentation. Lab tested. Our C Extra + Quercetin contains 500 mg of vitamin C and 250 mg of quercetin. Vitamin C is a powerful C is a powerful antioxidant which supports healthy bones, cartilage, teeth, and gums. It helps with vitamin C deficiencies in the daily diet, and supports healthy growth. Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps around helps support healthy sinus, respiratory, and immune system function. Easy-easy-to swallow capsules as compared to similar size tablets. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP). Contains no artificial colors, preservatives, or sweeteners. Recyclable container and label.