Green Tea Catechins and Vitamin C

Supplement–drug interaction evidence from the TruthStack database.

SeverityINFO
Evidence TierModerate
Interaction TypeUNKNOWN
Mechanismpharmacokinetic
Last Reviewed2026-02-07

CYP Enzyme Profiles

Published CYP enzyme data for compounds in this interaction:

Green Tea Catechins: CYP1A2 substrate (moderate), CYP3A4 inhibitor (weak)

Shared Pharmacodynamic Endpoints

Both compounds influence the same physiological endpoints in the same direction:

EndpointDirectionGreen Tea CatechinsVitamin C
OXIDATIVE STRESSDECREASEMODERATEMODERATE

Cumulative effect on shared endpoints may exceed individual compound profiles. This is relevant to discussion with a prescribing clinician.

API Reference

GET https://api.truthstack.co/v1/check?c1=green_tea_catechins&c2=vitamin_c

Open, unauthenticated. Returns JSON. Developer documentation

Related Interactions

Ashwagandha + EGCG Green Tea Extract + Methotrexate Green Tea Extract + Pantoprazole Iron + Vitamin C Amlodipine + Vitamin C Atorvastatin + Vitamin C Citalopram + Vitamin C Cyclosporine + Vitamin C
What this page is and is not. TruthStack is an informational reference database that describes published pharmacological findings. It does not provide medical advice, diagnosis, or treatment recommendations. The information on this page reflects flags in our database and should not replace consultation with a qualified healthcare provider. Always discuss supplement-drug combinations with your prescriber or pharmacist.