Follastatin 344 is a naturally occurring human peptide and a potent inhibitor of myostatin. It is being studied for its role in regulation of muscle growth, as an antagonist to myostatin. It is also being investigated for its involvement in polycystic ovary syndrome (PCOS). The suggested dosage for muscle building protocol is 0.1mL daily for 10 days and for fat loss protocol is 0.1ml once weekly for 10 weeks.