It was initially developed for children and elderly people with growth hormone deficiencies, but bodybuilders quickly realized you could take it to massively increase your levels of HGH, which leads to improved sleep quality, faster recovery, rapid muscle growth, and more. For a cycle of MK-677, just take one full dropper of the MK-677 from Science Bio per day, for either 30 days, 60 days, or 90 days, and you are good to go, gtx-024 (ostarine). No need for a PCT. Best SARMs for Cutting. Now that we've covered some of the best SARMs for bulking, let's move onto the next category.All payments made through eChecks are given an additional discount of 8%, gtx-024 (ostarine).