--- product_id: 17999407 title: "Quercetin NutraDrops, Bioflavonoid Complex - 2 Fluid oz." brand: "source naturals" price: "¥4493" currency: JPY in_stock: true reviews_count: 8 category: "Source Naturals" url: https://www.desertcart.jp/products/17999407-quercetin-nutradrops-bioflavonoid-complex-2-fluid-oz store_origin: JP region: Japan --- # 134 mg Quercetin per serving Liquid form for superior absorption Made in USA, cGMP & FDA compliant Quercetin NutraDrops, Bioflavonoid Complex - 2 Fluid oz. **Brand:** source naturals **Price:** ¥4493 **Availability:** ✅ In Stock ## Summary > 💧 Unlock your immune edge with every drop! ## Quick Answers - **What is this?** Quercetin NutraDrops, Bioflavonoid Complex - 2 Fluid oz. by source naturals - **How much does it cost?** ¥4493 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/17999407-quercetin-nutradrops-bioflavonoid-complex-2-fluid-oz) ## Best For - source naturals enthusiasts ## Why This Product - Trusted source naturals brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power-Packed Quercetin Boost:** 134 mg of bioflavonoid per serving to support your immune resilience. - • **Bio-Aligned Formula Philosophy:** Designed to harmonize with your body’s natural systems for holistic wellness. - • **Over 40 Years of Wellness Legacy:** Join thousands who trust Source Naturals for consistent, effective health support. - • **Trusted Quality, Made in the USA:** Crafted under strict cGMP and FDA standards for premium purity and safety. - • **Liquid NutraDrops for Fast Absorption:** Skip the wait—liquid formula ensures your body gets nutrients quickly and efficiently. ## Overview Source Naturals Quercetin NutraDrops deliver 134 mg of quercetin in a fast-absorbing liquid form, designed to inhibit histamine release and support immune health. Manufactured in the USA under cGMP and FDA guidelines, this 2 fl. oz. supplement embodies over 40 years of trusted quality and integrative Bio-Aligned health philosophy. ## Description Source Naturals Unlocking Wellness, Transforming Lives High Demand Products Visit the Store High Demand Products Visit the Store Source Naturals' comprehensive Bio-Aligned Formulas® help bring the power of alignment to your body. When formulating, we evaluate the underlying causes of system imbalances, and then provide targeted nutrition to interdependent body systems. Our line of more than 600 products also includes well-researched, single-entity nutrients in their highest quality and most bioavailable forms. New Arrivlas Visit the Store New Arrivlas How did we get our start? Source Naturals® was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key.* What makes our products unique? The brand is renowned for its Bio-Aligned Formulas rooted in an integrative health philosophy. What problem are we solving? We have over 600 unique products spanning from immune, sleep, mood, and vision support to heart and brain health, and more. How did we get our start? Source Naturals® was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key.* What makes our products unique? The brand is renowned for its Bio-Aligned Formulas rooted in an integrative health philosophy. What problem are we solving? We have over 600 unique products spanning from immune, sleep, mood, and vision support to heart and brain health, and more. Melatonin Supplements Visit the Store Melatonin Supplements Review: End scratching - Took a couple days but the scratching every 5 min stopped. It really works. Review: My Go-To Brand - This quercetin works so well for me. I've tried other brands and always come back to Source Naturals. The tasty is very palatable. It can get a bit messy with the dropper so it's important to pay attention when using so it doesn't stain anything. ## Features - NutraDrops Quercetin provides quercetin in a liquid base that is easily absorbed.* - Contains 134 mg Quercetin per Serving. Quercetin is a bioflavonoid similar to rutin. Inhibits the release of histamines.* - ALLERGY WARNING: Contains Soy. - Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health. - "Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA)." ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0014H1M14 | | Age Range Description | Adult | | Best Sellers Rank | #129,261 in Health & Household ( See Top 100 in Health & Household ) #190 in Flavonoid Antioxidant Supplements | | Brand | Source Naturals | | Brand Name | Source Naturals | | Customer Reviews | 4.6 out of 5 stars 104 Reviews | | Dosage Form | Liquid | | Flavor | Unflavored | | Global Trade Identification Number | 00021078015222 | | Item Dimensions | 1.53 x 1.53 x 4.57 inches | | Item Form | Liquid | | Item Weight | 4.8 ounces | | Manufacturer | Threshold Enterprises | | Manufacturer Part Number | SN1522 | | Model Name | Quercetin Nutra Drops - 2 oz | | Model Number | SN1522 | | Number of Items | 1 | | Primary Supplement Type | Quercetin | | Specific Uses For Product | Immune Support | | UPC | 021078015222 | | Unit Count | 2.0 Fluid Ounces | ## Product Details - **Age Range (Description):** Adult - **Brand:** Source Naturals - **Flavor:** Unflavored - **Item Form:** Drop - **Item Weight:** 4.8 ounces - **Item dimensions L x W x H:** 1.53 x 1.53 x 4.57 inches - **Primary Supplement Type:** Quercetin - **Product Benefits:** Seasonal Sensitivity Support - **Special Ingredients:** Quercetin - **Unit Count:** 2.0 Fluid Ounces ## Images ![Quercetin NutraDrops, Bioflavonoid Complex - 2 Fluid oz. - Image 1](https://m.media-amazon.com/images/I/61TA8MU2PIL.jpg) ## Questions & Answers **Q: Another brand says 3.5 mg of quercetin drops equal 1200 mg of oral dose. Is this same dose equivalent?** A: We are unable to compare our product with one from another manufacturer. Our Quercetin, NutraDrops product delivers 134mg of Quercetin per 2 dropper serving though. **Q: Is the liquid supposed to be yellow and thick?** A: Quercetin supplements are always yellow. If it's too thick you can thin it slightly with water. **Q: Is this product considered Quercetin Dihydrate? Thank you** A: This product contains Quercetin Powder 95% Anhydrous. The finished product is a liquid solution primarily of deionized water & glycerin. **Q: Is the liquid supposed to be yellow?** A: Yes it is yellow and a little thick - can be put in water or juice ## Customer Reviews ### ⭐⭐⭐⭐⭐ End scratching *by B***D on April 8, 2026* Took a couple days but the scratching every 5 min stopped. It really works. ### ⭐⭐⭐⭐⭐ My Go-To Brand *by R***C on February 22, 2026* This quercetin works so well for me. I've tried other brands and always come back to Source Naturals. The tasty is very palatable. It can get a bit messy with the dropper so it's important to pay attention when using so it doesn't stain anything. ### ⭐⭐⭐⭐⭐ Effective at reducing histamine *by A***R on July 30, 2025* Effective, easy to take, taste is pleasant, effective for reducing histamine. ## Frequently Bought Together - Source Naturals - Quercetin NutraDrops, Seasonal Bioflavonoid Complex - 2 fliud oz - Turmeric Liquid Supplements - Turmeric Curcumin with Black Pepper Extract Bioperine - Highest Potency 800mg - Liquid Turmeric Curcumin Drops - Antioxidant Support Joints - Tumeric Supplements - 2 Oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/17999407-quercetin-nutradrops-bioflavonoid-complex-2-fluid-oz](https://www.desertcart.jp/products/17999407-quercetin-nutradrops-bioflavonoid-complex-2-fluid-oz) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-10*