Ibutamoren (MK‑677) is among the most potent oral compounds for muscle growth and enhanced recovery. It signals the body to lift growth hormone and IGF‑1 by way of copying ghrelin activity. Athletes of all levels turn to this compound for lean muscle gain, accelerated post-training recovery, and better sleep quality. Long‑term body composition is another plus when taken consistently.
- Natural trigger for growth hormone release through ghrelin pathways.
- Boosts IGF‑1 for repair and tissue development.
- Helps lean mass hold steady under calorie restriction.
- Sometimes linked with easier fat loss and recomposition.
- May improve depth and quality of sleep cycles.
How it works
-
Imitates ghrelin, which signals the pituitary to release growth hormone across the day in a steady fashion.
-
Higher IGF‑1 levels support protein building, recovery, and cell repair.
-
Maintains equilibrium of nitrogen levels; this mechanism reduces unwanted muscle breakdown when dieting.
-
Aligns circadian rhythm for restorative sleep.
Benefits
+15%
Gradual Lean Muscle Gain
Promotes gradual lean muscle gain over time.
2X
Faster Post-Workout Recovery
Accelerates recovery after heavy training sessions.
+30%
Improved Sleep Quality
Backed by better overall sleep quality.
+20%
Healthier Fat-to-Muscle Ratio
Supports healthier fat‑to‑muscle ratio.
1×24h
Simple Capsule, No Injections
Non-invasive: no injections, only one capsule a day.
Dosage and Safety
Timing Schedule
-
The recommended dose is 10–25 mg once daily without the need to split doses due to its long half-life.
-
Not recommended for pregnant and breastfeeding women.
-
Not suitable for people with uncontrolled diabetes.
-
Possible side effects include increased appetite, mild water retention, or shifts in blood sugar levels.
-
Professional guidance is advised before dosing; monitor regularly.
Ingredients
Component
Dose per Serving
Ibutamoren Mesylate (MK‑677)
10mg
Black Pepper Fruit Extract (Piper nigrum)
5 mg
Functions:
Ibutamoren (MK-677) helps stimulate growth hormone release to support muscle recovery, lean mass, and metabolic balance. Capsule excipients (black pepper fruit extract) aid stability and absorption while preserving the active compound’s integrity.
Use together (Bundle)
RAD140 provides potent androgenic muscle-building, while MK-677 boosts growth-hormone pulsatility and IGF-1. Together you get amplified lean-mass gains and enhanced recovery-RAD’s strength + MK’s anabolic endocrine support.
Ostarine’s mild anabolic effects pair with MK-677’s GH/IGF-1 surge for steady muscle growth with lower androgen load, making this combo great for newcomers or lean-bulking phases.
Cardarine drives fatty-acid oxidation and endurance; MK-677 fuels GH-mediated recovery. Together you burn more fat in cardio sessions while preserving-or even building-muscle.
Antioxidants (ALA, CoQ10, grape seed, zinc, pepper) neutralize any oxidative stress from elevated GH secretion, smoothing recovery and overall health.
FAQ
What is Ibutamoren mainly used for?
Often studied for helping with gradual lean muscle gains, quicker recovery, better sleep, and body composition improvements. It works by mimicking ghrelin, which raises growth hormone and IGF‑1. These effects have made it of interest in fitness, sports studies, and age‑related research around tissue maintenance.
How safe is it to use daily?
Daily use at studied levels is generally tolerated; individual response may vary. An increase in appetite, bloating, or blood sugar changes have been reported as common side effects. Not suitable for pregnant and breastfeeding women, and patients with uncontrolled diabetes. Consider healthcare supervision and routine check-ins for safety.rn
When should I take my dose?
Usually taken once a day because of its long half‑life. The actual time isn’t fixed – some find evening useful if it aids sleep, while others prefer consistency in the morning. What matters most is taking it the same time every day without skipping.
How soon do results appear?
Better sleep quality and faster recovery periods are noticed within weeks of use. Visible changes in muscle or fat often take months of steady use. Training, diet, and genetics all play a role, so results vary. Nothing happens overnight as this is not a magic pill; consistent tracking is the best way to see if progress is real.
Can it be used with other compounds?
Some athletes combine MK677 with fat-loss or anabolic products, but stacking can raise side effects and mess with hormones. If you do, work with a pro who knows these substances, since dosing and monitoring become more important when mixing compounds.
Lab Test (COA)
Janoshik Analytical
Third-party lab testing
99.2% Purity
50 reviews for Ibutamoren MK677
-
Sonno profondo. Leggero aumento della massa. Però la fame è costante
July 10, 2025 -
Sueño reparador. Recupero mejor tras el entrenamiento. Me gustaría menos hambre, eso sí
July 10, 2025 -
Moins de fatigue et meilleure récupération musculaire, surtout après les jambes
July 10, 2025 -
Amélioration nette du sommeil. Légère rétention musculaire. L’appétit est un problème à gérer
July 8, 2025 -
Improved my sleep and fullness after 2 weeks. Hunger spiked a bit too much, but recovery is definitely better
July 7, 2025
Only logged in customers who have purchased this product may leave a review.
Hello!
Thank you so much for sharing your experience — we really appreciate your feedback!
What you’re noticing is very typical for MK-677: improved deep sleep and recovery, gradual muscle fullness, and a stronger appetite.
Biaxol team