What is MK-677?
MK-677 is also called ibutamoren. It is a small made-in-a-lab molecule, not a peptide.
It is known as a growth hormone secretagogue. A secretagogue is a compound that makes a cell release something. Here that something is growth hormone, often shortened to GH or HGH.
MK-677 works at the ghrelin receptor. A receptor is a docking spot on a cell. Ghrelin is a hormone the stomach makes on its own. MK-677 binds the same spot ghrelin does.
It is not a SARM. It is taken by mouth in lab work, so no injection is needed. That sets it apart from most compounds we carry.
How researchers use MK-677
- GH and IGF-1 levels. Labs measure how much growth hormone and IGF-1 a model releases after a dose.
- Receptor binding. Studies measure how tightly it holds the ghrelin receptor.
- Oral dosing. Work looks at how much of an oral dose reaches the bloodstream.
- Half-life. Half-life is the time for half a dose to clear. Studies measure it for each oral dose.
- Compound comparisons. Studies set it beside SARMs, which act on a different receptor.
What we stock
Our stock sits in the MK-677 category. Each batch is quality tested for purity. It is one of our most asked-for compounds.
Many buyers pair it with items from the SARMs category, such as RAD-140 or Ostarine.
Because MK-677 is oral, no needles are needed for it. If your other work needs them, see needles and syringes. Or open the full store.
Shipping in Canada
We ship right across Canada. Delivery takes 3 to 7 business days.
Orders go out with Canada Post or Federal Express. Tracking comes with every order. Orders over $399 CAD ship free.
Every box is plain and unmarked. The label does not say what is inside. You can pay by Interac e-Transfer at checkout.
Common questions
Is MK-677 a SARM?
No. It is a ghrelin receptor agonist. SARMs act on the androgen receptor instead.
What does ibutamoren mean?
Ibutamoren is the chemical name for MK-677. Both names point to the same compound.
Does it need to be injected?
No. MK-677 is an oral compound, so it is used by mouth in lab work.
What does secretagogue mean?
It means a compound that makes a cell release something. Here it is growth hormone.
Is it tested for purity?
Yes. Every batch is quality tested before we list it.
Words you might not know
- Secretagogue — a compound that makes a cell release something.
- GH or HGH — short for growth hormone, which the body makes on its own.
- IGF-1 — short for insulin-like growth factor 1, a natural hormone.
- Ghrelin — a hormone the stomach makes on its own.
- Receptor — a docking spot on a cell that a molecule binds to.
- Agonist — a molecule that switches a receptor on.
- Oral — taken by mouth, with no needle involved.
Sold for laboratory research only. Not for human consumption.
