I need any suggestions that anyone has for dropping more weight

I currently weigh 255.5

I am currently taking in 2600-2700 calories a day. I have been eating clean for the most part (had one cheat day over 2 weeks)

i intend on starting to take vitamin c starting this weekend. any other vitamin suggestion would be helpful.

good clean foods to eat suggestions

currently my diet consists of mostly these things:
cottage cheese
peanuts, some fat free beef jerky, chicken breast,oatmeal, lean steaks, lean pork chops,fat free yogurt no sugar added.100% whey from gnc )usually 16 ounces twice a day mixed with water) fat free milk,

any suggestions would be helpful