Ibutamoren (developmental code name MK-677) is an orally-active growth hormone secretagogue and ghrelin receptor agonist being researched as a potential treatment for growth hormone deficiency and sarcopenia [R, R, R, R, R].

For those that are just here find out where to buy accurately dosed, third party tested MK-677, these are the only companies I currently use for my own personal research:

(Greater Than 99% Purity: FTIR, HPLC, GC-MS, LC-MS & NMR Tested)

Proven Peptides – 10% off coupon code “DC10”

Science.bio…

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