- 600 mg pure quercetin per capsule
- Herbal active ingredient from highly concentrated sources
- No unwanted additives – only rice flour as filler
- Vegan
- Laboratory tested for harmful substances
- Contents: 90 capsules/servings
Quercetin – an interesting plant substance
Quercetin is a secondary plant substance with antioxidant properties and belongs to the large group of flavonoids. Foods such as onions, capers, elderberries, apples, and blueberries—all well-known sources of natural antioxidants—are particularly rich in quercetin.
Along with kaempferol, quercetin is one of the most common flavonoids in plant foods – and is also one of the most intensively studied.
In nature, quercetin occurs not only in its pure form, but also bound, for example as rutin. This is a flavonol consisting of quercetin and the sugar rutinose.
Quercetin content of selected foods (per 100 g):
- Capers: 234 mg
- Onions (raw): 30–50 mg
- Kale: 23 mg
- Apples: 4–6 mg
- Blueberries: 3–5 mg
- Broccoli: 3 mg
- Cherries: 2–5 mg
- Dark grapes: 3 mg
- Tomatoes: 1.3 mg
- Green tea: 2 mg
What properties does quercetin have?
Quercetin is primarily known for its contribution to cellular protection against oxidative stress Antioxidants help the body defend itself against free radicals – a process that is associated with protection against so-called lifestyle diseases (Xu et al., 2019; Kiran et al., 2023Among the flavonoids, quercetin is considered one of the most important protective substances from plant foods.
In addition, quercetin is also associated with Allergies Studies suggest that it is the Release of histamine from mast cells can influence – a possible factor in allergic reactions such as hay fever or histamine intolerance (Yamada et al., 2022; Weng et al., 2012).
Further clinical data suggest that quercetin may also be effective in certain cases rheumatoid arthritis or could have potential supportive effects in viral challenges (Javadi et al., 2017; Pierro et al., 2023).
Edubily Quercetin Capsules – Natural and Pure
Edubily focuses on quality: 600 mg of pure quercetin per capsule, laboratory-tested and free of controversial additives. The capsules are filled with rice flour only. The capsules are 100% plant-based and therefore ideal for vegans.
Frequently Asked Questions & Answers from Edubily
Does the product contain fillers or similar additives?
Yes, but only a minimal amount of rice flour as a filler to ensure optimal filling of the capsules. We consciously avoid controversial or unnecessary additives.
What is the best way to take quercetin capsules?
To improve bioavailability, it is recommended to take quercetin with some fat or a fatty meal.
Nutritional values
| Contents | per serving (= 1 capsule) |
| Quercetin | 600 mg |
Ingredients
80.8% quercetin, hydroxypropylmethylcellulose (capsule shell), rice flour.
Recommended intake: Take 1 capsule daily without chewing with sufficient liquid after a meal.
Notes: Do not exceed the recommended daily intake. This product is not a substitute for a balanced and varied diet and a healthy lifestyle.
Keep out of reach of small children.
Store in a cool, dry place away from light.

Quality & safety at the highest standard
Edubily attaches great importance to developing and manufacturing products on a scientifically sound basis. Their production is carried out by experienced partners in Germany and Austria, who are regularly inspected without notice and are certified according to IFS Food and HACCP. This means that Edubily meets strict hygiene and safety requirements. Furthermore, all products are retested in independent laboratories for factors such as heavy metals, nutrient content, and possible contaminants. Edubily's goal is not to simply offer any nutritional supplements, but rather safe and effective ones that promote health and well-being through well-thought-out formulations and continuous development. This way, fitness athletes and health-conscious individuals can be assured of receiving a high-quality and responsibly designed product.