3. Low calorie
Eat fewer calories than you burn, and you should lose weight. This is the most basic and long-standing diet out there. Weight loss programs such as Weight Watchers and Slim Fast meal replacements use this diet but with easier to follow guidelines. Count your calories and you should lose weight if you don’t have health conditions that make it difficult such as hypothyroidism.
More: 10 Weight-Loss Snacks for the Perfect Body