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Ya pregnyl will last at least 60 days, in my experience. Probably longer. It has things added to it to prolong its shelf life once reconstituted, that other HCG doesn’t have.


And it kind of does keep your natural production going in a way. It stops your brain from sending the signal to produce testosterone in the testicles, just like how testosterone cuts the signal off. The difference is that HCG stimulates the testicles directly, and then your testicles should make testosterone. When testosterone is injected, it overrides all these processes and just delivers the testosterone straight into your bloodstream. While on HCG, LH and FSH will both show basically zero.


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