Ibutamoren (MK-677)

MK677 Ibutamoren is a growth hormone secretagogue that stimulates the release of growth hormone and IGF-1, supporting muscle growth, fat loss, and recovery.

No, MK-677 is not a steroid. It does not act on androgen receptors. Instead, it naturally boosts growth hormone and IGF-1 production, helping improve muscle recovery and performance.

Some users report increased appetite, temporary fatigue, or mild water retention. Experiences vary from person to person, and not everyone notices these effects.

Most users notice improvements in sleep, recovery, and appetite within the first week. Muscle growth and fat loss benefits typically become more visible after 4-6 weeks of consistent use with proper diet and training routines.

Store the product in a cool, dry place away from direct sunlight. Keep the container tightly sealed and out of reach of children. When stored properly, the product has a shelf life of up to 24 months from the manufacturing date.

Yes, all our products undergo rigorous third-party testing for purity, potency, and quality assurance.

No, MK-677 typically does not suppress testosterone levels. Its effects are centered around growth hormone pathways, not testosterone regulation. However, individual responses may vary with prolonged use.

A common cycle length for MK-677 is 8-12 weeks, followed by a 4-week break. Some experienced users extend cycles up to 16-20 weeks. Consistent use during the cycle can help you achieve optimal results.

MK-677 is typically taken once daily, preferably before bedtime for optimal results. A common daily dosage ranges from 10-25 mg, depending on individual goals and experience. It can be taken with or without food, but keeping the timing consistent each day helps maintain steady levels in the body.

Yes – according to research, MK677 may have a positive impact on sleep for both younger and older adults. G Copinschi and other researchers found that the use of MK677 may prolong the stage IV sleep by up to 50% and the REM stage by over 20% in young adults, and by almost 50% in older users.[1]

Yes, the research, Two-Month Treatment of Obese Subjects with the Oral Growth Hormone (GH) Secretagogue MK-677 Increases GH Secretion, Fat-Free Mass, and Energy Expenditure, conducted in 1998, proved that MK677 may help reduce body fat and change body mass composition when taken orally.[2]

MK677 may be combined with other compounds; however, the effects of concurrent use have not been extensively studied in controlled human settings. Substances that influence hormonal balance, metabolism, sleep patterns, or glucose regulation may interact in ways that vary between individuals, particularly where existing health conditions or medications are involved. Consider consulting with a trained healthcare professional before stacking this compound.