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Jimmy Slim's avatar

Testosterone doesn't need to be injected intramuscularly. I switched to subcutaneous T injections (in the fat pad on my stomach) and I haven't noticed any change in effectiveness at all.

Intramuscular injections get into your bloodstream faster, which is great when you're getting started, but once you've been doing TRT for a week or two, subcutaneous injections give you the same average T levels, and also smooth out the levels over time. Intramuscular injections give you more pronounced peaks and troughs of T; subcutaneous gives you more stable levels.

There are studies to back this up. If you want references, type "Is there any difference between the effectiveness of intramuscular testosterone injections and subcutaneous testosterone injections?" into perplexity.ai

BTW, thank you Caleb for introducing me to TRT and Dr. Faler all those years ago!

Pat C's avatar

What are the other 2 in the top 3 best decisions of your life? I’m 39 soon and have already started to engage with a TRT Doc, thanks for the advise.

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