Natural Factors Immune Support Quercetin 500mg with Zinc & Copper 60 Veg Capsules Soy-Free * This citrate capsule form

* This citrate capsule form of potassium provides superior absorption

or if you experience skin changes

Ingredients: Each scoop contains L-Tyrosine 5g

Do not use if you are allergic to fish

Natural Factors Immune Support Quercetin 500mg with Zinc & Copper 60 Veg Capsules Soy-Free * This citrate capsule formNatural Factors Immune Support Quercetin 500mg with Zinc & Copper 60 Veg Capsules Natural Factors Quercetin 500 mg provides a concentrated source of the antioxidant quercetin, a potent bioflavonoid found in certain fruits, vegetables, and herbs. Quercetin is used in herbal medicine as a blood vessel protectant and supports cardiovascular and immune health.* It's considered to be an effective supplement for adults who want to protect against oxidative