Quercetin

Safe OtherNatural

Quercetin is a naturally derived other used in dietary supplements. Safety rating: Safe. It is widely considered safe at typical supplement doses. Found in 20 supplements in the GoodSupp database. A flavonoid found in many plants.

20 Products use this
Safe Safety rating
Other Category
Yes Natural origin

Safety Verdict: Safe

This ingredient is rated safe for use in dietary supplements.

What is Quercetin?

A flavonoid found in many plants.

Common Names Quercetin
Type Other
Origin Natural / Plant-derived
Safety Rating Safe

Why is Quercetin used in supplements?

It is used for its antioxidant and anti-inflammatory properties.

Role in supplements: Other — serves a functional role in supplement formulation.

Should you be concerned about Quercetin?

No. Quercetin is widely regarded as safe for use in dietary supplements at typical levels. It has a long history of use and is accepted by major regulatory bodies.

No action needed. This ingredient is safe at amounts used in supplements.

Top-rated products containing Quercetin

These 20 highest-scoring supplements in our database use Quercetin.

Webber Naturals Webber Naturals® Vitamin C  Chewable, Natural Orange, 500 mg, 120 Chewable Tablets
Webber Naturals Webber Naturals® Vitamin C Chewable, Natural Orange, 500 mg, 120 Chewable Tablets
Product 100 Brand N/A
Equate Equate Vitamin C 500mg Orange Chewables, 150 Tablets
Equate Equate Vitamin C 500mg Orange Chewables, 150 Tablets
Product 100 Brand N/A
Equate Equate Vitamin C 500mg Tangy Orange Flavour
Equate Equate Vitamin C 500mg Tangy Orange Flavour
Product 100 Brand N/A
Equate Equate Vitamin C 500mg Multi-Fruit Chewable
Equate Equate Vitamin C 500mg Multi-Fruit Chewable
Product 100 Brand N/A
Equate Equate Vitamin C 500mg Multi-Fruit Flavour
Equate Equate Vitamin C 500mg Multi-Fruit Flavour
Product 100 Brand N/A
Maxi Health Liposomal Vitamin C, 1000 mg
Maxi Health Liposomal Vitamin C, 1000 mg
Product 87 Brand N/A
GNC Women's Multi Powder - Chocolate - 19.2 oz. (30 Servings)
GNC Women's Multi Powder - Chocolate - 19.2 oz. (30 Servings)
Product 86 Brand N/A
Ener-C Ener-D, Vitamin D3, Hydrating Effervescent Drink Mix, Sugar Free, Orange, 1,000 mg, 24 Packets
Ener-C Ener-D, Vitamin D3, Hydrating Effervescent Drink Mix, Sugar Free, Orange, 1,000 mg, 24 Packets
Product 84 Brand N/A
BIOTICS RESEARCH NutriClear Chocolate
BIOTICS RESEARCH NutriClear Chocolate
Product 82 Brand N/A
NaturesPlus Ultra Source of Life Liquid Natural Mango Pineapple Flavor
NaturesPlus Ultra Source of Life Liquid Natural Mango Pineapple Flavor
Product 79 Brand N/A
Ener-C Bubbly Multivitamin Drink Mix, Sugar Free, Orange, 1,000 mg, 30 Packets, 0.2 oz (5.35 g) Each
Ener-C Bubbly Multivitamin Drink Mix, Sugar Free, Orange, 1,000 mg, 30 Packets, 0.2 oz (5.35 g) Each
Product 76 Brand N/A
Ener-C Vitamin C Drink Mix, Sugar Free, Lemon Ginger, 1,000 mg, 30 Packets
Ener-C Vitamin C Drink Mix, Sugar Free, Lemon Ginger, 1,000 mg, 30 Packets
Product 76 Brand N/A
NaturesPlus Source of Life Energy Shot Natural Tropical Fruit Flavor
NaturesPlus Source of Life Energy Shot Natural Tropical Fruit Flavor
Product 76 Brand N/A
Ener-C Ener-C Sugar Free Multivitamin Drink Mix - Vitamin Powder for Water, Electrolytes Powder No Sugar, Hydration Boost Packets, Zero Sugar, Vitamin C & B12 Supplement Liquid Mix - Orange, 60 Count
Ener-C Ener-C Sugar Free Multivitamin Drink Mix - Vitamin Powder for Water, Electrolytes Powder No Sugar, Hydration Boost Packets, Zero Sugar, Vitamin C & B12 Supplement Liquid Mix - Orange, 60 Count
Product 76 Brand N/A
NaturesPlus Source of Life Energy Shake Creamy Granola, 2.2 lbs
NaturesPlus Source of Life Energy Shake Creamy Granola, 2.2 lbs
Product 75 Brand N/A
Reserveage Nutrition Reserveage Beauty Collagen Booster - Supplement for Skincare & Joint Health - Supports Healthy Collagen Production for Women - 120 Capsules (30 Servings)
Reserveage Nutrition Reserveage Beauty Collagen Booster - Supplement for Skincare & Joint Health - Supports Healthy Collagen Production for Women - 120 Capsules (30 Servings)
Product 75 Brand N/A
NaturesPlus The Original High Protein Energy Shake, 1.7 lbs
NaturesPlus The Original High Protein Energy Shake, 1.7 lbs
Product 67 Brand N/A
Vitatree Vitatree Turmeric Curcumin Vegan Joint
Vitatree Vitatree Turmeric Curcumin Vegan Joint
Product 62 Brand N/A
NaturesPlus Source of Life®, Original Energy Shake, Creamy Granola, 1.1 lbs (507 g)
NaturesPlus Source of Life®, Original Energy Shake, Creamy Granola, 1.1 lbs (507 g)
Product 61 Brand N/A
Metagenics UltralnflamX Plus 360°®, Medical Food, Original Spice, 21.23 oz (602 g)
Metagenics UltralnflamX Plus 360°®, Medical Food, Original Spice, 21.23 oz (602 g)
Product 60 Brand N/A
Related Ingredients
Frequently Asked Questions
Is Quercetin safe in supplements?

Yes. Quercetin is rated safe for use in dietary supplements at typical levels. This rating is based on regulatory assessments, published safety research, and its long history of use in the supplement industry. It is widely accepted by major regulatory bodies including the FDA and EFSA. In GoodSupp's database, 20 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Quercetin and why is it in my supplement?

A flavonoid found in many plants. It appears in 20 products in the GoodSupp database.

Is Quercetin natural or synthetic?

Quercetin is naturally derived, meaning it comes from natural sources such as plants, minerals, or animal products rather than being chemically synthesized. Natural-origin ingredients are preferred by many consumers, though it's important to note that 'natural' does not automatically mean 'safer' — safety depends on the specific substance, its purity, and the amount used. The safety rating assigned by GoodSupp is based on the ingredient's actual safety profile, not its origin.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.