Although I can't discuss dosage, I have been on all three forms (gel, cream, and injectable) and can share a bit on my experiences. My body has absorbed the injectable exponentially better, but if injectable is causing you issues for whatever reason, I highly recommend gel over cream. I started out with gel and them switched to cream for insurance reasons during my first year of HRT. I was getting slow but noticable changes on gel, including my menstrual cycle nearly or completely stopping, but when I switched to cream, the changes slowed down to virtually nonexistent, to the point where my menstrual cycle actually came BACK and my bloodwork was coming back with significantly lower T levels than the gel, despite being on the same dose. Obviously your mileage may vary, but just be aware that not all topical T is made equal.