There is no established standard dose for this case; it is advisable to consult a professional.
In cells and in a membrane model, quercetin and EGCG from green tea carry zinc into the cell (they act as 'ionophores'). This explains why they are combined with zinc for immune support; an in vitro mechanism, with no clinical proof of the combination.
View the study (study) →Supplement · Highest evidence: Low · 1 finding
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.