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Ultima Pharmaceuticals, CJC1295 DAC (synthetic growth hormone releasing hormone) 2mg/vial.
The longer half-life from the DAC binding to albumin means injections are only required once or twice per week. However, the long half-life and relatively constant blood level provide a constant stimulus for GH release from the pituitary through the GHRH receptor, which is not physiological. This can decrease the GH pulse amplitude which will result in decreased GH tissue stimulation.
Recommendation:
It is recommended when using a long-acting CJC molecule to have 'hormone holidays' of three months each three to six months, to allow the pituitary to 'recover'. During the holidays, Sermorelin is used instead of CJC 1295 + DAC.