I used “serious mass” for a month and gained 16pounds. I find that it gets mixed reviews on here and Feabie as well but I think that it definitely helped me. It’s also not very filling which leaves room for excess calories. 
each serving is 1250(+) calories. goo.gl/TDJC9c
each serving is 1250(+) calories. goo.gl/TDJC9c
6 years