Retatruide 40MG Injection Pen Kit Synedica The Synedica Retatrutide® 40mg Injection Pen Kit contains 1 pen, 12 disposable needles and an instruction booklet. Each pen has 10mg which can be delivered across 4 full doses of 10mg, or in increments of 2.5mg, 5mg, 7.5mg or 10mg.
