imo,carbs are essential to muscle building,especially after your workout..if iam not mistaking atkins diet means little or no carbs.no good. if you want to stay or get lean while on decca look into anti e's proviron,clen,eca,cardio,maybe limit carbs at nighttime.deca is also known for water retention , so good luck. i tried a cycle about a year ago with no carb intake and i mean maybe 2 grams a day.in 8 weeks of sust,test prop, i only gained 10 pounds,granted it was solid,but alot of work and money for only 10 measely pounds