To gain muscle mass, make sure you're eating a caloric surplus with plenty of protein. Supplements like whey protein and creatine can help but focus on a solid workout routine - target each muscle group at least twice a week. Stay consistent, lift heavy, and ensure you get enough rest and recovery. Good luck with your muscle-building journey!
Yes, gaining to 145–150 by September is realistic. Your whey, creatine, and fish oil are solid; a mass gainer isn’t necessary if you hit calories but can help. Focus on consistent training and progressive overload, track your weight, and adjust intake if gains stall