Strengthen bcpc muscle

Besides doing kegels, edging and holding an erection is Any one hear of igf-1 injection into the muscle?

Kegels and such are adjuncts to PE. They won’t make your dick grow, but might help with ejaculation or erections. Usually the methods you listed are enough to improve a poorly performing BC muscle. What would be the point of injecting it?

Here are a couple threads, not specifically about your question, but ones you might find interesting.

IGF-1 as a supplement; not a miracle
Growth hormone injection into penis base ligament