You may use this mixture for up to 90 days, but remember to keep it refrigerated after mixing. If you accidentally leave your sermorelin out of the fridge don’t worry, sermorelin can be left at room temperature for 72 hours after being mixed. Be sure to properly dispose of all syringes and needles after use.Click to see full answer. Herein, should sermorelin be refrigerated?Vials of Sermorelin (sermorelin acetate for injection) should be stored refrigerated (2°-8°C/36°-46°F).Also, does sermorelin really work? One of the most beneficial Sermorelin results is that it can greatly improve your exercise performance by helping you recover more quickly and by putting on muscle faster than before. Sermorelin can restore your HGH levels so that exercise is easier and you have more energy to get through more strenuous workouts. Consequently, how long does sermorelin take to work? 3-6 months Can you take sermorelin in the morning?That being said, Sermorelin can still be injected in the morning, but the individual will have to skip breakfast and could be at risk for falling asleep. Sermorelin could also be injected in the afternoon, but that is a very hard time because that is when people usually are eating the highest volume of food.