Help with DIY orally

I'm looking into starting DIY, I really just can't wait any longer. However, I am absolutely terrified of needles. I won't be able to shoot myself up with it. I'm looking into the forms of estrogen, and it appears that I can buy the form used for estradiol pills. But I'm finding very little information on DIY that isn't focused on injections. I'm thinking about making a water solution and just taking it out of a dropper, but I know I'd need a preservative to keep it safe for a long time.