Source comparison
The Unvarnished Truth About CJC-1295 No DAC vs DAC Protocols
Here's the honest answer: the 'convenience' of weekly DAC dosing comes with a tradeoff most suppliers don't mention. CJC-1295 with DAC creates sustained receptor occupancy that physiologically resembles exogenous growth hormone administration more than it rese
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- Here's the honest answer: the 'convenience' of weekly DAC dosing comes with a tradeoff most suppliers don't mention. CJC-1295 with DAC creates sustained receptor occupancy that physiologically resembles exogenous growth hormone administration more than it resembles natural GHRH activity. Your body's pituitary doesn't secrete GH continuously. It pulses 8–12 times per day in response to ultradian rhythm, sleep cycles, and metabolic signals. Those intervals between pulses aren't wasted time; they're when receptors reset sensitivity.
- The DAC modification bypasses that rhythm entirely. You get prolonged elevation, but at the cost of blunted peak amplitude over time and increased negative feedback signalling that can suppress endogenous secretion. CJC-1295 no DAC requires more frequent administration, but it works with your physiology instead of overriding it. The pulsatile approach preserves receptor sensitivity, maintains natural feedback loops, and avoids the metabolic adaptation that chronic elevation triggers. If your research goal is amplifying natural GH dynamics rather than replacing them, the no-DAC version is the mechanistically appropriate choice. Even if it's less convenient.