I have been a pescatarian for 20 years... so I eat seafood, eggs, cheese.... and am on atkins. I don't eat fish everyday... it's tough if you won't eat cheese... but it's doable and it WORKS... I did Atkins awhile back and ended up losing 50lbs in 6mos... but then stopped.. and gained double back... but now I"m back to Atkins.. just started back on Wed... and it works, for me anyway. I know that my body has a carb intolerance. I have always eaten what most would consider "healthy" .. my carbs were whole grain carbs.. but I turn it right into fat.
There's lots of veggie options, tofu, boca, morning star, quorn products, etc. that you can have to boost protein.