Fish is mostly protein. Carbohydrates are sugar and starch.
protein
We can get carbohydrates from virtually any food.
Tuna fish (canned) has very little if any carbohydrate in it. It is mostly protein.
protein
All plain, unprocessed, meats, poultry, fish, eggs, etc.
Tuna fish (canned) has very little if any carbohydrate in it. It is mostly protein.
Carbohydrate
Monosaccharide is a simple carbohydrate.
Caffeine
Cellulose is a carbohydrate.
It is a carbohydrate.
A carbohydrate