Strength & Hypertrophy Research from Harvard, Yale, Stanford, SportRxiv, UCLA, ACSM & NSCA
The #1 reason why most skinny guys struggle to gain weight & muscle… and HOW to fix it fast
What’s secretly holding you back from gaining weight... (and why “eating more” isn’t enough)
A step-by-step system to start gaining size & strength NOW… without wasting time on workouts or diets that don’t work
Osiris Kelly is the CEO and founder of SaiFit, specializing in helping skinny men finally gain weight and build muscle through a proven, easy-to-follow system.
After overcoming a spinal injury that dropped him to 115 pounds. he gained over 70 pounds of muscle using the exact system SaiFit teaches today. As a lifelong skinny guy himself, Osiris understands exactly what it takes to create lasting results.
SaiFit's mission is to help skinny men build bodies they're proud of, without wasting hours in the gym, eating until sick, or relying on ineffective supplements.
Private | Disclaimer
This site is not a part of the Facebook website or Facebook Inc. Additionally, This site is NOT endorsed by Facebook in any way.
FACEBOOK is a trademark of FACEBOOK, Inc.