ginkgo

I've been researching Ginkgo and St. John's Wort as sources for Amentoflavone since it inhibits CRTH2. The main difference is that St. John's wort is a CYP3A4 inducer and Ginkgo an inhibitor CYP3A4 is the enzyme responsible for metabolizing finasteride and dutasteride. High CYP3A4 means that if you're taking...