I was working out around 5-6 days a week. Now with things different in my life its like im hitting the gym 4-5 most of the time its 4 days out of the week. i have been Taking sustn 250 its my 6 week. i do not feel the same way as i did when i was going to the gym 5-6 days a week. It feels like iv lost streagh and mass. is this normal..Once again Thank you for the help