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Ibutamoren (also known as ibutamoren mesylate or MK-677), promotes the secretion of the growth hormone (GH) and increases insulin-like growth factor 1 (IGF-1)

Ibutamoren increases levels, by mimicking the action of the hormone ghrelin , and binding to one of the ghrelin receptors in the brain ). Activated ghrelin receptors stimulates growth hormone release from the brain.

Benefits of increased GH and IGF-1 include:

. Increased bone turnover and eventually bone density
. Improved sleep quality and REM (rapid eye movement) sleep duration.
. Reduced Muscle Wasting
. Increased muscle mass
. Reduced fat mass
. Possible healing of tendons, joints and ligaments

Also included in the product is


Alpha-GPC is a cholinergic compound that is used for its cognitive-promoting properties, and to enhance power output in athletes. It appears to also support cellular membranes, and may aid in preventing cognitive decline.

Oral supplementation of alpha-GPC is of interest for nootropic purposes, as it appears to have cognitive-enhancing properties.

Athletes are at times interested in alpha-GPC due to its ability to enhance growth hormone production and to also enhance power output.

And also


Huperzine-A is a cognitive enhancer that inhibits an enzyme that degrades the learning neurotransmitter, acetylcholine; and so due to this, a relative increase occurs.

Acetylcholine is known as the learning neurotransmitter, and is involved in muscle contraction as well. Increasing levels of acetylcholine is routinely used as a technique amongst weight-lifters and those undertaking extensive studying (college and university students).

Customer Reviews

Based on 5 reviews
Jim Milton
Be careful

Unfortunately cant say anything about the product, because mine got confiscated by the german zoll. So if u are from Germany dont order as u wont receive it and will get registered for trying to buy illegal doping drugs. Cant speak for any other countries tho so i recommend looking into it urself.

Alistair kerr
Rad 140 mk677

Brilliant stuff it it doesn't work for you it's because your not putting the work in have great results from using this highly recommended

Just ordered,

Feel like the reviews on here abit information less,
I’ve tried TWP Rad 140 at 8 weeks 10mg per day and it was sound with minimal suppression and I bounced back well so i know they’re product is decent,(MK DOES NOT SUPPRESS TEST) first time trying mk677 and I’m stacking it with rad 140 and cardarine ,all 3 at a 10mg dose so I’ll report back roughly at the end of June,one thing I would reccomend after reading about mk677 is getting a glucose meter and checking your blood sugar levels, most people are alright at 25MG of mk so 10mg should be tolerated fairly well but it’s better to be safe then sorry, I’ve also been reccomended to take this before bed to stop the hunger cravings you get taking it in the morning,I’ll be sure to leave another review by the end of my cycle to let you all know an honest take on MK677,If your reading this and it’s a first cycle for you of anything,RESEARCH the Pro’s and Cons,(ostarine 10mg is a good place to start for beginners)

Andy reech
Works wonders for recovery

I lift competitively meaning constant repetitive stress on ligaments and tendons. I'm passed the young man "Get massive" mentality and quite simply want longevity. This product has made weekly compound movements a lot more comfortable in terms of wear and tear. Would definitely recommend. Can't fault any TWP products!!


MK-677 helped me to regain muscle and strength after COVID-19. Currently, on my second cycle and feeling bigger than ever, this had pushed me to cycle and stack with RAD-140.