And as part of OK!'s 12 Week Countdown to Summer to get bikini ready, we're taking a look at how this way of eating can help us shed unwanted pounds.
Even though Paleo, also known as the Caveman Diet, has been around for a while, in recent years it's had a resurgence in popularity, in small part due to fitness enthusiasts like members of Crossfit, using it as a way to complement their workouts and the omission of white starches and sugar which is always a popular way to shed weight fast.
It's asserted that to combat diseases like diabetes, obesity and heart disease, which are illnesses caused by a modern diet, we need to go back to the hunter-gatherer way of eating which includes consuming just meat, fish, vegetables, fruit, nuts and seeds.
But thrown out of the fridge goes all dairy, legumes, grains, gluten and sugar. Proponents of the Paleo Diet say that this way of eating is more biologically appropriate for us as this is what our bodies were genetically programmed to be able to handle.
But some nutritionists claim that we have adapted to the broader diet over the years so there is no need to give up dairy, legumes and whole grains.
Okay To Eat: Fruits, Vegetables, Lean Meats, Seafood, Nuts & Seeds, Healthy Fats. Most of your meals should include 4-8oz of lean protein, several servings of multicolored vegetables, either raw, steamed or lightly cooked and good fats from avocado, olive oil, coconut oil, unsalted nuts like almonds, pecans, or walnuts.
Avoid: Dairy, Grains, Processed Food & Sugars, Legumes, Starches, Alcohol