OTI Quercetin 30 capsules 350 mg is a food supplement based on quercetin and onion.

Strengthens the immune system.

Ingredients:

• Quercetin powder
• Onion (Allium cepa L.)
• Hydroxy-methyl-propylcellulose (vegetable capsule)
• Magnesium Stearate

Let's review the ingredients in order of quantity, as described on the label.

Quercetin. In this package, it is in powder form. Bihydrate means that quercetin is associated with two water molecules in the formula, which obviously does not alter the concentration of the active ingredient. is a polyphenolic flavonoid found in many food sources (e.g., onion, apple, tomato, grape, blueberry, tea, strawberry, broccoli, walnut) and possesses protective antioxidant, anti-inflammatory properties that act against saturated fatty acids and free radicals, which are responsible for oxidation and cell aging.

Idrossipropilmetilcellulosa is a chemical component also known as Hypromellose and, in English, Hydroxypropyl Methylcellulose or HPMC or HPM, is used as a coating in medicinal capsules by the pharmaceutical industry as it can prevent the precipitation of the drug caused by magnesium stearate. Effective in maintaining the hydration of the cornea and treating diseases of the ocular surface. Therefore, it is an excellent component.

Magnesium stearate is the magnesium salt of stearic acid (octadecanoic acid), labeled with the number E572 in the list of food additives, is a classic excipient for oral solid dosage forms. Excellent component.

Onion (Allium cepa L.) white or red, belongs to the Liliaceae family and contains flavonoids, which are very useful to the human body as robust antioxidants found in the outer layers of this vegetable. It also has anticoagulant and anti-inflammatory properties.

The warnings on the package say not to exceed the recommended dose of 1 capsule per day.

Conclusions

Excellent product with first-rate ingredients. 

No chemical component that raises the slightest concern for health unlike many similar products that are commonly found on the market and in which it is common to observe the inclusion in the formula of chemical compounds already banned in other European countries.