QUERCETIN ZINC
Quercetin + Zinc – Science-Driven Immune Support, Independently Verified for Potency
Mt. Angel Vitamins Quercetin + Zinc is a clean, clinically focused immune-support formula designed to help maintain normal respiratory function, support a healthy inflammatory response, and promote year-round immune resilience. Our formula pairs two of the most researched nutrients in modern immune science: Quercetin, a bioflavonoid studied for cellular protection and normal inflammatory response, and Zinc, an essential mineral involved in immune cell development and antioxidant defense.*
In an independent blind quality review conducted by NOW Foods, our Quercetin was one of only 3 out of 24 products tested on Amazon that met or exceeded the labeled Quercetin potency. You can read the findings directly in the NOW testing report: NOW Foods Public Product Testing Program .
For additional context on how we maintain label accuracy, audit our suppliers, and manufacture in our UL certified cGMP Oregon facility, explore our quality page: Made in America – Inside the Mt. Angel Vitamins Manufacturing Process .
Why Quercetin + Zinc is a Trusted Immune Combination
Emerging research suggests Quercetin may help support normal immune signaling and cellular oxidative balance. Zinc plays an essential role in normal immune cell activation and antioxidant activity. The two nutrients are often studied together because Zinc is required for hundreds of metabolic processes, while Quercetin has been investigated for its ability to support cellular uptake and antioxidant pathways.*
- Immune Support: Quercetin and Zinc help support normal immune system function and antioxidant defenses.*
- Respiratory Support: Research suggests Quercetin may help maintain normal respiratory function during seasonal stress.* (PubMed: Quercetin & immune modulation)
- Cellular Protection: Quercetin is widely studied for its role in supporting cellular oxidative balance and healthy inflammatory pathways.*
- Healthy Immune Cell Activity: Zinc is essential for immune cell signaling and normal enzymatic function. (NIH: Zinc Fact Sheet)
You can explore deeper immune science on our blog: Mt. Angel Vitamins Research & Wellness Library .
Independently Verified Quality – What Sets This Product Apart
Many Quercetin products fail potency or contain inconsistent raw materials. In contrast:
- One of only 3 products to pass NOW Foods’ independent potency verification
- Tested in our in-house labs and by third-party partners for identity, potency, and purity
- Made in Oregon in our UL certified cGMP manufacturing facility
- Clean label and free from unnecessary fillers
To learn more about how our supplements outperform major brands in independent testing, read: SuppCo Tested 44 Amazon Supplements – Here’s What We Learned .
Who This Formula is For
- Adults looking for clean, science-supported immune support*
- Individuals wanting year-round respiratory and immune resilience*
- Anyone seeking a Quercetin supplement proven to match its label claim
- People who value U.S.-made, laboratory-verified dietary supplements
Suggested Use
Take 1 capsule 1–2 times per day with food. For best results, use consistently during seasonal immune challenges or as part of your daily wellness routine.
What’s Inside (Per Capsule)
- Quercetin – 500 mg
- Zinc (Zinc Oxide) – 15 mg
- Vitamin C – for antioxidant and immune support*
- Clean, plant-based capsule
What’s NOT Inside
- No dairy, gluten, soy, or GMOs
- No artificial colors, preservatives, or flavors
- No sugar, yeast, starch, or fillers
Quality, Transparency, and Trust
At Mt. Angel Vitamins, every batch is tested for identity, potency, purity, and microbial safety. Our products are made with careful oversight in our Oregon facility rather than outsourced to anonymous contract manufacturers overseas.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
