A member asked:

If starting testem, how long before endogenous testosterone begins to shut down or decrease ?

3 doctors weighed in across 2 answers

See comment: It is hard to predict, but as the level of testos. Reach normal level within a day, it'llsend negative feedback to the pituitry gland (more specifically to the part that produce l.H. To cease stimulating the special cells in the testis to to produce testosterone.

Answered 2/21/2014

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Dr. Thomas Namey answered

Specializes in Rheumatology

Immediately!: It suppresses your pituitary, making it think you need no testicular stimulation.

Answered 10/24/2017

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