St. John’s Wort Extract

What is St. John’s Wort Extract?

  • – John’s Wort, also known as Hypericum perforatum, is a herb can alleviate dopamine-related anti-depressant through its active ingredient hypercin. It is also the herb has ‘adverse drug-interaction’ by interacting with several compounds by affecting many phase I enzymes and other drug elimination pathways.

Function? – Mental Health

  • – It is found to reduce depressive symptoms with similar efficiency with SSROs and TCAs (both are pharmaceutical antidepressants).



About US

Since 2013, Davidia provided specialized ingredient to enhance product bioavailability, increase the function of the ingredients and help nutrition absorption for the body. We provide high quality product developed under highly quality control process from research lab to commercial products. We are also able to offer a full package of bioavailability tests (In vitro, ex vivo and in vivo test), technical data (specification, test method, QA/QC data, toxicity evaluation, and science literature), regulatory support (NDI, GRAS, label claim), and custom formulation support.

Contact US

Davidia Healthtech, LLC
6335 Nancy Ridge Dr. Suite 2B
San Diego, CA 92121 USA
Tel: +1 858 666 1288
Cell:+1 858 610 7316

FDA disclaimer

These statements have not been evaluated by the Food and Drug Administration. Those products are not intended to diagnose, treat, cure, or prevent any disease.

Online form