Immune Support Quercetin 500 mg 60Capsules

What it’s for

Immune support; Antioxidant support; Respiratory and sinus wellness; Cardiovascular wellness

Who it may fit

Adults seeking antioxidant and immune support for busy daily routines or those who prefer a plant-based, vegetarian-friendly option.

Key actives per serving

Quercetin (from Sophora japonica buds): 500 mg

Zinc (as zinc citrate): 15 mg (136% DV)

Copper (as copper citrate): 1 mg (111% DV)

How to take

Take 1 capsule twice daily with food; splitting doses with meals may enhance tolerance and absorption.

Diet / Allergen fit

Suitable for vegetarians/vegans; Non-GMO; Lab tested; No artificial colors, preservatives, or sweeteners; Free of dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts; Contains no GMOs.

Ingredients explained

Quercetin (from Sophora japonica buds)

Quercetin acts as an antioxidant flavonoid that can help neutralize free radicals and modulate mast cell and histamine activity to support a balanced inflammatory response.

Caution: May interact with some medications and can cause digestive discomfort in some people; take with food to reduce stomach upset.

Zinc (as zinc citrate)

Zinc is a cofactor for many enzymes involved in antioxidant defenses and immune cell function.

Caution: High zinc intake can upset the stomach and may affect copper balance; avoid taking with high‑fiber or high‑phytate meals that can reduce absorption.

Copper (as copper citrate)

Copper supports antioxidant enzymes like superoxide dismutase and helps maintain connective tissue and energy production.

Caution: Excess copper may cause nausea; keep within suggested amounts, especially if also using other copper-containing products.

How they work together

Quercetin offers antioxidant and mast cell–modulating actions, while zinc supports immune cell activity and antioxidant enzymes. Copper complements zinc by maintaining antioxidant enzyme function and helps balance mineral status when zinc intake is higher.

Safety and tips

Label Warning: Consult a health professional before use if pregnant, breastfeeding, or trying to conceive, if taking medication, have a medical condition, or anticipate surgery.

Storage: Store in a cool, dry place.

What customers say

4.8

Based on 10,567 ratings

Noticed immune support

Many say the 500 mg quercetin with zinc and copper may support overall immune wellness and general resilience.

Respiratory and sinus comfort

Several mention ease for sinus and breathing comfort, noting it felt helpful for seasonal or environmental triggers.

May not match specific health expectations

A few expected stronger or faster effects for personal co

ncerns, though most were satisfied.