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MK-677 (Ibutamoren), 15 mg

4.75 out of 5
(563 customer reviews)




MK-677 (Ibutamoren) Research Profile:

dependent on stack
dependent on stack
7/10 (cutting stack)
dependent on stack

Description: Growth Hormone (GH) mimetic/secretegogue; effects include improved lean muscle generation, improved metabolism and fat oxidization; some subjects also exhibit healthier skin and sleep improvement.

Known for: Mimicking effects of Growth Hormone

Commonly stacked with: Typical bulking stack: MK-677, YK-11 and RAD-140/or/LGD-4/or/S-4/or/S-23 | optional: MK-2866,
Typical cutting stack: MK-677 and GW-501516/or/SR-9009 | optional: MK-2866

Side-effects: Some complain of lethargy, increased appetite, tingly or numb hands/fingers


MK-677 (Ibutamoren) Chemical Profile:

Clinical data

Selective Androgen Receptor Modulator MK-677, MK-0677, Ibutamoren, L-163,191, Nutrobal, Oratrope By mouth none US: Investigational New Drug Ammonett Pharma

Pharmacokinetic data

24 hours


2-amino-2-methyl-N-[1-(1-methylsulfonylspiro [2H-indole-3,4'-piperidine]-1'-yl)-1-oxo-3 -phenylmethoxypropan-2-yl]propanamide 159634-47-6 9939050 n/a 154975 GJ0EGN38UL n/a 100.236.734

Chemical and physical data

C27H36N4O5S 528.662 g/mol n/a O=S(C)(=O)N(C2)c1ccccc1C23CCN(CC3) C(=O)C(NC(=O)C(N)(C)C)COCc4ccccc4 1S/C27H36N4O5S/c1-26(2,28)25(33)29-22 (18-36-17-20-9-5-4-6-10-20)24(32)30-15-13-27 (14-16-30)19-31(37(3,34)35)23-12-8-7-11-21(23)27/ h4-12,22H,13-19,28H2,1-3H3,(H,29,33)/t22-/m1/s1 UMUPQWIGCOZEOY-JOCHJYFZSA-N


* These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Selective Androgen Receptor Modulators (SARMs) have not been approved in the US by the FDA for human consumption as dietary supplements. In accordance with US laws pertaining to the use of Investigational New Drugs (IND's) products labeled as SARMs on this website are sold for laboratory and clinical research purposes only, are intended solely for investigational use, and are to be used exclusively for purposes of a clinical trial that is the subject of an effective investigational new drug application; otherwise, you are not authorized to purchase our products. By using this site and/or purchasing our products, you certify you and/or your organization is/are qualified to possess, handle, and administer the products you purchase, that SARMTECH and its owners/agents are not liable for any unintended effects or outcomes, and that you are 21 years of age or older.


563 reviews for MK-677 (Ibutamoren), 15 mg

  1. Avatar
    5 out of 5

    Timothy Kahler (verified owner)

    Appetite did increase. Dreams are very vivid in test subject. Noticeable strength gains.

  2. Avatar
    5 out of 5

    Joseph Cumbest

    [Your subject] will be forever hungry on this!!

  3. Avatar
    5 out of 5

    Isaac Koczwara (verified owner)

    Definitely works. Have used sarm tech mk677 about 4 cycles and the results are as expected each time. My go to.

  4. Avatar
    5 out of 5

    Derek Sawyer (verified owner)

    Wow! Thank you!

  5. Avatar
    5 out of 5

    Craig Lyon (verified owner)

    I have noticed that [subject’s] apatite has increased but not the desire for food not on my diet. Havent necessarily noticed improved sleep but [subject has] never been someone that remembers dreams. I have noticed after almost a full bottle that [subject’s] muscles are looking fuller and have noticed a slight decline in belly fat. I just reordered and I am planning on doubling up on [subject’s] dosage to see what this will do on the effects. Good times.

  6. New Creation
    5 out of 5

    New Creation (verified owner)

    High quality.

  7. Avatar
    5 out of 5

    David Valdovinos (verified owner)


  8. Avatar
    5 out of 5

    jayvazq (verified owner)

    Awesome!! Thank you so much for this great product.

  9. Avatar
    5 out of 5

    D-Lab-Rat (verified owner)

    [Subject] feeling great !!

  10. Avatar
    4 out of 5

    big poppa (verified owner)

    Grew like crazy

  11. Avatar
    5 out of 5

    big poppa (verified owner)

    Appetite did increase. Dreams are very vivid in test subject. Noticeable strength gains. High quality.

  12. Jonathan Ludlow
    5 out of 5

    Jonathan Ludlow (verified owner)

    Legit MK!

    Usually run between 20-25mg split twice a day with other suppliers so jumped straight in at 30mg for my first Sarmtech bottle which was a mistake.

    My [subject’s] hunger shot up, as did lethargy and insulin resistance as well as a hell of a lot of water retention in the first few weeks.

    Pushed through and sides eventually subsided but I decided to reduce to 15mg once per evening anyway, mainly so I could be a bit more relaxed on my [subject’s] diet without worrying about him going hyperglycemic, and that was definitely the perfect sweet spot.

    For anyone eager to go with the higher dose I would recommend being very strict on diet and/or looking to give your [subject] a good GDA to manage insulin.

  13. Avatar
    5 out of 5

    Stefan Mensch (verified owner)

    Gutes Produkt

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