Diet drinks are a hotly debated topic in the fitness industry. Many people incorporate sugar free diet drinks into their weight loss plan.

Do you need to take supplements? Should you drink protein shakes? Are multivitamins worth it? Find out with this supplement guide.

Nutrition can be as simple or complex as you want it to be. Let's take a look at calories and macro-nutrients.

The only rule for weight loss: To lose weight, eat less. To gain weight, eat more. It's a simple concept that has been over-complicated.