The lower your intake of carbohydrates, the greater your need for a vitamin supplement. That's the mantra that most doctors now recommend that everyone on a low-carb diet should never forget.

Some people do get all this through their diet alone, but some also supplement carbohydrate to make sure they’re getting enough glycogen to both fuel a workout and grow more muscle mass.

The lower your intake of carbohydrates, the greater your need for a vitamin supplement. That's the mantra that most doctors now recommend that everyone on a low-carb diet should never forget.