No side effects. I was afraid to try proteins and things and this seemed to be pozitive on all sites. I gave it a shot and i had no problem. I took whats recommended not more not less. No diarrhea, no headache no pain nothing. It was perfect. Its definitely one the leaders out there.
I've always had a hard time building muscle, but adding Bulk XL made a huge difference. I added 20 pounds of muscle over 3 months.
I'd never worked out until my senior year of high school. I was tired of looking skinny so I started going to the gym and taking Bulk Muscle. Two months later, and I've put on 20 pounds of muscle.