Quote Originally Posted by Iron-56 View Post
Half llives are not exact to begin with. Absolutely no need to inject longer ester test every 3.5 days, once a week should do the trick but most people like to inject twice.
Absolutely is a strong word. The efficacy of a twice a week protocol is not just about test levels. It involves other relevant factors as well. Many TRT-ers have been able to eliminate the need for AI's by switching to such a protocol. Everyone's metabolism and physiological needs are different.