Narcotics and how to get them out of your body?

so i been clean for a 1 month and 3 weeks im a bigger guy im like 6 foot 6 and i workout and drink alot of water to but i still feel like there still in me i think it is cause im big cause i know smaller people that been clean about this long and they feel fine i myself i feel like im in a dream towards night time usually and a cartoon blurry looking lines around everything with white or light behind it and i was just wondering what i could do for cheap to clean my whole body out and get my energy and stuff back and feel better thanks guys.