A ballanced diet made up of coloful veggies, fruits, and meats, and wole gribs, and nuts will give you the nutrients your body needs. Include soups and broths with colagen, as well as foods with spluble fiber. Watch for added sugars, and corn syrup. Consume alcohol, soft drinks, and fruit juice sparingly. Gelatine is also good stuff.
All of these diets that push you to eat high protien and excude carb-rich foods may help you lose weight, but rob your body of neede nutrients.
The human body is a very complex machine designed to ingest a wide variety of foos, each contributing required nutrients.
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