What is MK-677 (Ibutamoren)?
Also known as: Ibutamoren
- Route
- Oral
- Half-life
- ~6 hours
- Evidence
- Growing evidence
Oral growth-hormone secretagogue, also called ibutamoren. Taken by mouth rather than injected.
MK-677, also called ibutamoren, is the oral option commonly referenced in growth-hormone support conversations. Unlike most secretagogues, it is taken by mouth rather than injected.
It has a Growing evidence tier in TRKD+. Its oral route is the main reason people bring it up as an alternative to injectable secretagogues.
TRKD+ describes MK-677 and lets you track it, and does not recommend it or provide dosing. A licensed provider is the right source.
Vocabulary
Terms you’ll see with it.
- Protocol
Peptide
A short chain of amino acids. Smaller than a protein, larger than a single amino acid.
- Timing
Half-life
How long it takes for half of a dose to clear your system. Drives dosing frequency.
- Protocol
Cycle / off-cycle
A stretch of weeks on a compound, followed by a stretch off to give your body a break.
Common questions
People also ask.
- Is MK-677 injected?
- No. MK-677 is taken orally, which is part of why it is discussed as an alternative to injectable secretagogues.
- What is MK-677 also called?
- Ibutamoren.
Related compounds
Keep reading.
- GH Secretagogue
Ipamorelin
Growth-hormone secretagogue peptide. Discussed around GH support, recovery, and sleep.
- GH Secretagogue
CJC-1295
Growth-hormone secretagogue discussed around longer-lasting GH support. Often paired with ipamorelin.
- GH Secretagogue
Tesamorelin
Growth-hormone secretagogue with an approved medical use. Discussed around belly fat and GH support.
TRKD+
Track the whole stack, calmly.
Log peptides, GLP-1s, and TRT. Rotate injection sites. Free, private, no ads.