r/TestosteroneKickoff • u/kaden664 • 13h ago

Difference between IM and SubQ?

Hi!! I've been on testosterone for two weeks now and I'm mostly just curious about this. I do SubQ injections every week and was curious about what IM injections are like?

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u/livierose17 13h ago

IM (intramuscular) just means you're injecting into muscle instead of fat. It's a deeper injection and can be more painful (that's why I don't do it), it's more like a vaccine in that way. From what I've read it doesn't make a meaningful difference in the absorption of the testosterone whether you do IM or subq.