Tren ace is tren ace. Tren e is tren e. What matters is how fast they break down in the body and thus how your body responds of the delta time from that breakdown.

Some sources might throw in other drugs, some might not. But tren A is tren. Test is test. The ester only determines how fast your body will cleave off the carbon chains and break it down into a usable androgen. This is why tren E or longer esters dont fluctuate your mood as fast. High testosterone, you dont feel. GOING from medium or low to high testosterone, you feel.

Humans notice change more than they notice the boiling water, we are not frogs in this sense.
That being said, CrowX Tren ace is the best tren i ever took and i dont know why, maybe because it was dosed higher than claimed.

Acetate vs Enanthate is like a 10% moleculare weight difference, so 10% more gains, effectiveness, etc. You could theoretically dose both so the drug levels and cleaving amounts breakdown metabolates roughly the same, but youll be pinning at odd times, and at that point the moleculare weight would need to be accounted for.

All brands are not created equal. There are some that have been around for a while and have proved to have consistent quality gear. There are others that are good for a while and then fall off a cliff. All must continue to be verified via bloodwork and independent testing.

Definitely not allow.,myself to go elsewhere if there was one brand that infinity shined above the rest. Or how would you know if you haven't tried the rest? This is why we are here now in a review site. Some Labs can be spectacular and then drop off over time, we've seen it all. If you're looking for a specifics that's going to take some research