Yeah, Test E or Cyp but there are plenty of different protocols out there. Some do 2x wk, 1x wk, 1x every two weeks. Cyp seems to be the test of choice for docs to prescribe.
IMO, the best place to start trt is at 100-200mg test-c/test-e per week and injecting either once a week or twice a week. Smaller doses more often are better for t levels and also helps to keep e2 in check.
Yes Coop the prescribe injections are pretty far apart, but there are many protocols as msumuscle stated. As Ive posted before, doing them once every two weeks puts your BL on a roller coaster.