Morning vs Night HGH pin

It is incorrect to say that somatotropin and insulin act on the same receptor.
You are right, I said it wrong. It's not that they "compete". They can "cross-react".

The simultaneous presence of insulin and (exogenous) somatotropin does not reduce the effect of either hormone at their respective receptors.
HGH impairs glucose handling and blocks insulin signaling in muscle tissue reducing glucose uptake.

If the primary goal is maximal muscle growth, the combination of somatotropin and insulin can be useful.
Muscle tissue can still be anabolic in the presence of GH and insulin because gh only impairs glucose handling. Amino acid uptake is not affected.
 
Many seem to say/think nighttime is best for preserving insulin sensitivity…but who the f knows at this point.
 
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