Quercetin Capsules 500 mg
Quercetin is a naturally occurring flavonoid found in onions, apples, and berries, among other foods. It is extracted from plant sources and used in various food products and supplements.
- 🌿 Carefully extracted from plants.
- 💊 Easy to take and gentle on the stomach.
- 🌱 Suitable for vegetarians and vegans.
- 🔬 Tested for quality and purity by an independent lab.
Cupplement is now GOYU. Same quality, new name.
Select Quantity:

The Benefits of Quercetin Capsules
This Quercetin is based on extracts. Extracts contain more active ingredients, so fewer capsules are needed for similar effects compared to the raw form of the substance.
High dosage of active ingredients (10%)
Our Quercetin contains at least 10% extract. This is the active ingredient of Quercetin that provides the health benefits.
Download the Certificate of Analysis here
Easy intake through capsules
Our Quercetin 10:1 extract is processed into capsules that are easy to take. This makes the product simple to dose.
The benefits of Quercetin
Quercetin is one of the bioflavonoid nutrients that naturally occurs together with vitamin C. Quercetin is an antioxidant and is mainly found in foods such as onions, capers, pears, apples, broccoli, and tea. The quercetin capsules contain 500 mg of quercetin per daily dose. The supplement is suitable for vegetarians and vegans.
Lifelong wellbeing, powered by nature
Our promises
Our ingredients are pure, free from fillers, and sourced from natural origins.
Both the capsules and their contents are completely free of animal products and suitable for vegetarians and vegans
Our raw materials come from all over the world and are carefully packaged and inspected in Europe.
We regularly have our products tested by independent laboratories to ensure purity and quality.
Frequently Asked Questions
When should you be careful with Quercetin?
Although Quercetin 10:1 Extract is generally safe for most people, certain groups should exercise caution or avoid using it. Consult a healthcare professional before using this supplement if:
- Pregnant or breastfeeding women should seek medical advice before using this supplement, as there is limited data on its safety during these periods.
- If you are currently taking medications or other dietary supplements, discuss the use of Quercetin 10:1 Extract with your doctor to avoid possible interactions.
- Individuals with allergies to quercetin or other ingredients in the supplement should avoid use.
- If you have a known medical condition, especially related to blood clotting, liver, or kidney issues, consult your doctor before using this supplement.
- This supplement may not be suitable for children. Consult a pediatrician for appropriate alternatives.
How does quercetin work in the body?
Quercetin acts as an antioxidant by neutralizing free radicals and reducing oxidative damage. It also has anti-inflammatory properties by inhibiting the production of inflammation-promoting substances.
Is quercetin safe to consume?
Quercetin is generally considered safe when taken in the recommended dosages. It is found in foods and is often used as a supplement. However, always consult a doctor before adding new supplements to your diet, especially if you are pregnant, breastfeeding, or taking medication.
What are the possible side effects of quercetin?
Although quercetin is generally well tolerated, some people may experience mild side effects such as stomach discomfort, headaches, or allergic reactions. Stop use and consult a doctor if you experience any side effects.
Can quercetin help with allergies?
There is some research suggesting that quercetin can reduce allergy symptoms by decreasing inflammation and inhibiting histamine release. However, more research is needed to confirm these effects.
- Choosing a selection results in a full page refresh.