It's not stenbolone or primo.
what is stenbolone?
a Mix between Sten and Boldenone But you eat it
The boxes we have at work say Methyl-Sten(tm) as the ingredient which is just the companies name for the active ingredient it is NOT actual stenbolone
Care to elaborate a bit more?
If you notice is says Stenbolone (TM). They trademarked the name of an old steroid. As far as I can tell they took stenbolone and modified it to make it an oral which changed it from a double meth. primo injectable to an oral which (I think) made it more like and oral EQ.
They took the stenbolone molecule 2 methyl dihydroboldenone and added a 17methyl group to it to make it an oral. Think of it like methyl sten is to boldenone as superdrol is to testosterone.