---
product_id: 92787634
title: "Life Extension Bio-Quercetin, Immune and Heart Health Support, 30 Capsules | Bio-Quercetin Supplement Supports Immune Health & Heart Health; Gluten Free, Non-GMO & Vegetarian"
brand: "life extension"
price: "$19.88"
currency: USD
in_stock: true
reviews_count: 13
category: "Life Extension"
url: https://www.desertcart.us/products/92787634-life-extension-bio-quercetin-immune-and-heart-health-support-30
store_origin: US
region: United States of America
---

# 100% non-GMO, gluten-free, vegetarian Supports cardiovascular & endothelial health 18x more bioavailable quercetin Life Extension Bio-Quercetin, Immune and Heart Health Support, 30 Capsules | Bio-Quercetin Supplement Supports Immune Health & Heart Health; Gluten Free, Non-GMO & Vegetarian

**Brand:** life extension
**Price:** $19.88
**Availability:** ✅ In Stock

## Summary

> 🛡️ Elevate your immune & heart health game with Bio-Quercetin—because staying ahead is non-negotiable!

## Quick Answers

- **What is this?** Life Extension Bio-Quercetin, Immune and Heart Health Support, 30 Capsules | Bio-Quercetin Supplement Supports Immune Health & Heart Health; Gluten Free, Non-GMO & Vegetarian by life extension
- **How much does it cost?** $19.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/92787634-life-extension-bio-quercetin-immune-and-heart-health-support-30)

## Best For

- life extension enthusiasts

## Why This Product

- Trusted life extension brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean & Conscious:** Non-GMO, gluten-free, and vegetarian capsules crafted with premium purity standards.
- • **Heart-Smart Formula:** Clinically backed support for your cardiovascular system and blood vessel health.
- • **Science-Driven Wellness:** Formulated based on cutting-edge research to empower your healthiest lifestyle.
- • **Superior Absorption Tech:** Fenugreek hydrogel boosts quercetin uptake up to 62x—because your body deserves the best.
- • **Next-Level Immune Defense:** Harness 18x more bioavailable quercetin for peak seasonal protection.

## Overview

Life Extension Bio-Quercetin is a premium immune and heart health supplement featuring quercetin encapsulated in fenugreek hydrogel for up to 62x better bioavailability. Delivered in 30 vegetarian, gluten-free, and non-GMO capsules, it supports oxidative stress protection, healthy inflammation response, and endothelial function, making it a scientifically formulated daily essential for proactive wellness.

## Description

Bio-Quercetin is a novel formula for immune function and heart health support. It contains quercetin combined with fibers from fenugreek seeds to increase bioavailability. Bio-Quercetin® contains 30 vegetarian, gluten-free capsules, enough for a 30-day supply. This formula is made with 100% non-GMO ingredients.

Review: It works - We use this product to control our dogs allergies. No side effects and works great. Highly recommend this product and brand. It is hight quality for a fair price
Review: Helping MCAS - Bought to help with MCAS. Seems to be helping so far. Capsules are small and easy to swallow. Edit: I ran out and migraines and inflammation came back as well as other reactions. These definitely help MCAS.

## Features

- Daily immune support – Quercetin is a bioflavonoid that helps support a healthy immune response in the face of seasonal immune challenges. It’s the perfect addition to your stay-healthy regimen!
- Cardiovascular health support – Heart-friendly quercetin also helps support your cardiovascular system by encouraging endothelial health, the delicate inner lining of your blood vessels.
- Superior absorption – Our formula uses fenugreek hydrogel to encapsulate quercetin to make it more available to your body. It offers up to 62x better bioavailability than standard quercetin.
- Ingredients matter – We use the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one.
- Live your healthiest life – We believe the answers to a healthier life are in reach, and that scientific research is the key to getting there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JZHSNZF |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #11,241 in Health & Household ( See Top 100 in Health & Household ) #21 in Antioxidant Combination Nutritional Supplements #235 in Blended Vitamin & Mineral Supplements |
| Brand | Life Extension |
| Brand Name | Life Extension |
| Color | Orange |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 1,758 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00737870230236 |
| Item Dimensions | 4 x 4 x 4 inches |
| Item Form | Capsule |
| Item Nype Name | Bio-Quercetin supplement |
| Item Weight | 27.22 g |
| Manufacturer | Life Extension |
| Manufacturer Part Number | 02302 |
| Material Features | GMO Free, Plant Based |
| Material Type Free | Non-GMO |
| Model Name | Bio-Quercetin |
| Model Number | 02302 |
| Number of Items | 1 |
| Primary Supplement Type | Bio-Quercetin phytosome |
| Product Benefits | Delivers 18x more bioavailable free quercetin (up to 62x better total bioavailability), Helps protect against oxidative stress & supports a healthy inflammatory response, Promotes immune, cardiovascular & endothelial health |
| Special Ingredients | Bio-Quercetin |
| Specific Uses For Product | Heart Health Supplements, Seasonal & Nasal Support Supplements |
| UPC | 737870230236 |
| Unit Count | 30 Count |

## Product Details

- **Brand:** Life Extension
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 27.22 g
- **Item dimensions L x W x H:** 4 x 4 x 4 inches
- **Primary Supplement Type:** Bio-Quercetin phytosome
- **Special Ingredients:** Bio-Quercetin
- **Unit Count:** 30 Count

## Images

![Life Extension Bio-Quercetin, Immune and Heart Health Support, 30 Capsules | Bio-Quercetin Supplement Supports Immune Health & Heart Health; Gluten Free, Non-GMO & Vegetarian - Image 1](https://m.media-amazon.com/images/I/71xZJCHkIqL.jpg)

## Questions & Answers

**Q: What is quercetin?**
A: Quercetin is a flavonoid, a plant compound that’s an antioxidant. It helps scavenge free radicals, quenching their activity that contributes to oxidative stress.

**Q: Should I take quercetin in the day or at night?**
A: Always follow the instructions on the label. If you’re concerned about taking quercetin, speak with your doctor to see if it’s right for you.

**Q: Is quercetin good for immune health?**
A: Yes. Supplementing with quercetin is a proactive way to support a robust immune response.

**Q: Which food is highest in quercetin?**
A: You’ll find quercetin in citrus fruits, apples, onions, dark cherries and more. But it’s not easy for your body to absorb quercetin from foods alone.

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works
*by B***I on January 7, 2026*

We use this product to control our dogs allergies. No side effects and works great. Highly recommend this product and brand. It is hight quality for a fair price

### ⭐⭐⭐⭐⭐ Helping MCAS
*by F***Y on June 15, 2026*

Bought to help with MCAS. Seems to be helping so far. Capsules are small and easy to swallow. Edit: I ran out and migraines and inflammation came back as well as other reactions. These definitely help MCAS.

### ⭐⭐⭐⭐⭐ Highly recommend
*by F***N on April 11, 2026*

This brand works great for me.

## Frequently Bought Together

- Life Extension Bio-Quercetin, Immune Health Supplement, Heart Health Support, Gluten Free, Non-GMO, Vegetarian, 30 Capsules
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-10*