Quercetine

Quercetin is a flavonoid found in onions and apples, among other sources, taken for its effects on the immune system and histamine response (hay fever season).

Common uses

• Taken for immunity
• Taken during hay fever season

Dosage & use

As capsules according to the packaging, often with vitamin C.

Cautions

Consult a healthcare provider if you have kidney problems or are taking medication.

Sources

• Thuisarts.nl
• Voedingscentrum
• EFSA — beoordeelde gezondheidsclaims