Hi Rhino . You say you've cut most sugars and feel c**p.
What do you like to eat? If you give us an idea of the things you like I'm sure we can help.
If you eat meat, it is fine, so are high meat content sausages and high meat content burgers the lower the carb content on the packs the better, eggs, cheese, vegetables that grow above ground, peanut butter and some types of nuts are fine, just to give you a few ideas. If you have a look on the food carb queries / recipe section you'll find members have posted some good recipes
Have you managed to have a read of the links Northener gave above
Whatever you choose to do with your diet, it must be sustainable long term , that's why I asked what
you like to eat.
If I'm hungry lunchtimes Two of my fav things are a few crunchy sticks of celery with caramelised onions hummus now I can hear loads of my mates on here going yuk and spit

or a few ryvita's with cheese.