Growth Hormone / IGF-1 Axis · 2026 Protocol Guide
MK-677 (Ibutamoren) Protocol — Beginner to Advanced
Complete MK-677 (Ibutamoren) dosing protocol with three tiers (Beginner / Intermediate / Advanced), cycle structure, stack pairings, and where to source each component at the lowest current price. Evidence-based, vendor-neutral, updated weekly.
Quick reference
Typical dose
10000250001025 mcg
Frequency
Once daily, typically at bedtime
Cycle length
8–16 weeks; some use long-term (6+ months) with monitoring
Route
oral
MK-677 (Ibutamoren) protocol tiers
Beginner Tier
4 weeksFirst-cycle protocol. Conservative dose, twice-daily timing for steady state, shorter cycle to evaluate response before extending.
Dose
5000125000513 mcg
Frequency
Once daily, typically at bedtime
Weekly adjustment
Hold dose constant; track response week-by-week.
Intermediate Tier
8 weeksStandard published-research protocol. Mid-range dose, daily or split-daily, full cycle length matching the canonical clinical/research timeframe.
Dose
10000250001025 mcg
Frequency
Once daily, typically at bedtime
Weekly adjustment
Stable dose; reassess at midpoint and final week.
Advanced Tier
10 weeksHigher-dose research-tier protocol. Only after a successful Intermediate cycle. Closer monitoring required; bloodwork recommended where applicable.
Dose
15000375001538 mcg
Frequency
Once daily, typically at bedtime
Weekly adjustment
Monitor markers weekly; titrate down at first sign of saturation or side effect.
Research profile
Mechanism, half-life, peer-reviewed studies for MK-677 (Ibutamoren).
Dosage guide
Numerics + frequency + titration guidance for MK-677 (Ibutamoren).
Reconstitution calculator
Vial size + BAC water → concentration, syringe units, doses per vial.
MK-677 (Ibutamoren) protocol FAQ
How long is a typical MK-677 (Ibutamoren) protocol?
Standard MK-677 (Ibutamoren) protocols run 8 weeks for a full Intermediate cycle. Beginner cycles compress to ~4 weeks for response assessment. Advanced cycles extend to ~10 weeks but require closer monitoring.
What's the safest dose to start a MK-677 (Ibutamoren) cycle with?
The Beginner tier starts at 5000125000513 mcg once daily, typically at bedtime — half the published Intermediate-tier dose. Hold for 2-3 weeks to assess tolerance and response, then escalate to the standard 10000250001025 mcg if no adverse signals.
Do I need to cycle off MK-677 (Ibutamoren)?
Cycling depends on the compound's mechanism. Receptor-saturating compounds (most peptides) benefit from 4-6 week off-cycles between protocols to prevent downregulation. Non-saturating compounds (some healing peptides) can run continuously. The full MK-677 (Ibutamoren) research profile covers this in detail — see cross-link below.
Can I stack MK-677 (Ibutamoren) with other compounds?
Stacking is common for synergistic effects, but each compound's mechanism, half-life, and route of administration matter. Use the BodyHackGuide stack builder + interaction checker to validate any pairing. The "Where to source" section below ranks vendors who carry MK-677 (Ibutamoren) alongside complementary compounds in one shipment.
Research-use disclaimer. All protocols on this page are summaries of published research literature and community-reported dosing — they are not medical advice and not authorization for human consumption. Compounds linked from this page are sold for research-use only by their respective vendors. Always consult a licensed practitioner before any compound enters a clinical context.
Affiliate disclosure. BodyHackGuide may earn a commission from purchases via the links on this page — at no additional cost to you. Vendor rankings are based on live price-per-mg data and the published Trust Score rubric. See our affiliate disclosure for details.
Free 2026 Peptide Cheat Sheet — 50 pages, PDF
Dosing, reconstitution, stacks, half-lives, and vendor trust tiers. The reference we wish we had on day one.
