IBUTAMOREN (MK677) - APH Science



• Increase growth hormone levels
• Increase insulin-like growth factor 1
• Increase muscle mass and strength
• Reduce muscle waste
• Improve sleep quality and REM
• Improve tissue regeneration



About The Product

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


GHSR is found in brain regions that control appetite, pleasure, mood, biological rhythms, memory, and cognition [view research]. Therefore, we can expect that ibutamoren may also affect these functions. However, so far, clinical studies describe only the effects ibutamoren has on appetite – and as expected, like ghrelin, ibutamoren increases it.


A great thing about ibutamoren is that it increases growth hormone levels with little or no increase in other hormones, such as cortisol [view research, view research]. Cortisol suppresses the immune system, reduces wound healing, and impairs learning and memory, and it’s usually not good to have this hormone elevated. Ibutamoren is frequently used as an anabolic substance, to increase lean body mass i.e. create bigger muscles. It is orally active and can be taken once a day. These are all benefits compared to other growth hormone stimulators.


Please Note

This product has difficulties entering Australia. We will fulfil your order, however we will not be responsible for any orders which do not make it through customs.


At A Glance

  • Increase growth hormone levels
  • Increase insulin-like growth factor 1
  • Increase muscle mass and strength
  • Increase basal metabolice rate and reduce bodyfat
  • Reduce muscle waste
  • Increase bone turnover
  • Improve sleep quality and REM
  • Improve tissue regeneration


Whats Included

60 tabs per tub 20mg (Recommend research: 12-16 weeks)



SARMS are for research purposes only and not intended for human consumption

Our Reviews

Customer Reviews
4.8 Based on 18 Reviews
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Liam G.
United Kingdom United Kingdom

Ibutamoren - Absolute Game Changer

This is the real deal. Since taking this, alongside a high protein whole food diet and a reasonably intense exercise program, I have dropped a significant amount of body fat and kept a lot of muscle. My rate of recovery between workouts has improved vastly - I can attack each and every workout as if I have had a full 24-36 hours rest. I honestly cannot believe how significant of an impact this product has had - I have tried many different supplements in my life, and this one is probably one of only perhaps three that have genuinely made a huge measurable impact on my body, performance and overall wellbeing. Thank you APH Science for selling products that have actually positively improved my life.

Jack B.
United Kingdom United Kingdom


Brilliant products. Prompt delivery, good results. All sides as expected and Ash and the team were extremely fair to me. I bought 18 bottles using a code for expired stock and due to the code still working they sent me mostly stuff dated 2024/25. Couldn't ask for fairer than that, especially in trying times.

Drew F.
United Kingdom United Kingdom

Very Hungry on these

Be ware you can get very hungry on these and i wanted to eat my own toes. But gains are gains! top Notch stuff.

Bazrar K.
United Kingdom United Kingdom

Not happy

I wanted to put on large muscle with supplements was told to take ibutamoren by the aphscience customer service. All these did was make me hungry and sleepy. i told the customer service people they say it supposed to do that and to take pills on night before bed. i may of made mistake buying wrong product but they refuse me refund on opened bottle.


APH Science

Hi Bazrar. As mentioned via email Ibu is a growth hormone and increases appetite, as stated on the product page. It is supposed to make you feel very hungry and also increase sleep quality so we do advise, like you say to take them on a night to avoid the hunger if that's not what you was wanting from the product. You didn't mention the fact we refunded you on 2 of the 3 bottles you ordered. We cant possibly refund a customer after they have taken 42 of the 60 pills in the tub unfortunately. thanks for taking the time to review us.


The only place I get my Sarms - genuine and not mixed with anything else which has always worried me especially when I have had sides with other brands that shouldn't have been associated with said SARM. APH provide great quality at a great price.

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