18+ · Research Use Only · Not for Human Consumption
CJC-1295/Ipamorelin vs sermorelin: one pathway or two.
Sermorelin was the first widely studied GHRH analog. The modern blend replaced it in most research protocols. The reasons come down to half-life and receptor coverage.
What sermorelin is
Sermorelin is a 29-amino-acid fragment of growth hormone releasing hormone, the shortest sequence that retains full activity at the GHRH receptor. It was studied clinically decades ago and its research profile is well mapped: it stimulates the pituitary along the natural pulsatile pattern, and it clears fast. Very fast. Its half-life is measured in minutes, so the window of receptor activity per administration is narrow. In research terms that preserves physiological pulse shape at the cost of a brief signal.
What the blend changes
The modern pairing modifies both limitations at once. CJC-1295 is a GHRH analog engineered with amino acid substitutions that resist enzymatic breakdown, extending the half-life well past sermorelin's and widening the window of GHRH-receptor signaling. Ipamorelin comes at the same pituitary output from the other side: it is a ghrelin-receptor agonist, a secretagogue class with a different mechanism entirely, and it is notable in the literature for its selectivity, stimulating GH release without meaningful activity on cortisol or prolactin signaling in the published animal work.
Working both receptor systems in one protocol is the core idea of modern secretagogue research, mapped fully in the GH secretagogue field guide. The two compounds ship co-lyophilized, 5mg of each in a single vial, so the ratio is fixed at manufacture and one reconstitution prepares both. Sermorelin, by contrast, covers only the GHRH side, with the shortest signal in the class.
Availability and pricing in the Philippines
Sermorelin has no mainstream local channel; it moves through compounding and import routes, and it is not in the Primara Labs catalogue. The CJC-1295/Ipamorelin 5mg+5mg blend lists at ₱1,900, or ₱1,710 on a first order, in stock with same-day Metro Manila dispatch on verified orders placed before noon. For protocols planned around the blend, reconstitution follows the standard preparation covered in the reconstitution walkthrough, one vial, one draw of bacteriostatic water, both compounds in solution together.
Supplied for laboratory research use only. Not for human consumption. Nothing on this page is medical advice.
Secretagogue comparison questions
What is the main difference between CJC-1295/Ipamorelin and sermorelin?
Sermorelin is a single GHRH analog with a very short half-life. The blend pairs a longer-acting GHRH analog, CJC-1295, with ipamorelin, a selective ghrelin-receptor agonist, so it works two pathways at once where sermorelin works one.
Why do the two compounds ship together in one vial?
GHRH analogs and ghrelin mimetics act on different receptors that converge on the same pituitary output. The research literature treats the pairing as synergistic, so suppliers co-lyophilize 5mg of each in a single vial to keep the ratio fixed and preparation simple.
How much does the CJC-1295/Ipamorelin blend cost in the Philippines?
The 5mg+5mg co-lyophilized vial lists at ₱1,900 at Primara Labs, or ₱1,710 on a first order with the 10% discount. It is in stock with same-day Metro Manila dispatch on verified orders.
Is sermorelin available in the Philippines?
Sermorelin circulates through compounding and import channels rather than mainstream pharmacy shelves, and it is not in the Primara Labs catalogue. Local research work on GH secretagogues has largely consolidated around the CJC-1295/Ipamorelin pairing.