TTC Early 30's

My fiance and I have been trying without trying for seven months. I've used tracking apps before and am new to this one. I've cut out a lot of my normal caffeine (down to one caffeine beverage a day instead of four or more), am fair active, we are very sexually active (TMI but we have sex every day to two days) and am wondering if anyone has heard of drinking herbal fertility teas (peppermint, red raspberry, red clover and nettle mixtures) to help boost the chance of getting pregnant.