Could i take st. john's wort to treat depression?

Yes: St. John's wort can be effective for mild depression. However, the potency of various batches is quite variable. So the effect may not last, and side effects may appear over time.

St. John's Wort: You could, but you should talk to your doctor first. You might be on other medications that could cause a negative interaction.

St. jihns wort: Sure, as long as u do not mix with other antidepressants that raise serotonin, such as ssris or same or tyrosine.