Both the Atkins diet and the Rapid Fast Keto Boost Reviews diet are carbohydrate-restriction diets. One key difference is that the Atkins diet allows more protein than the Rapid Fast Keto Boost Reviews diet. With Atkins, you can eat protein to your heart's content; with Rapid Fast Keto Boost Reviews, protein is limited to about 20 percent of daily calories. Also, with Atkins, a phased diet, carbs can be added back into the diet eventually; not so with the Rapid Fast Keto Boost Reviews diet, as introducing carbs would knock the body out of ketosis. Here's more about What You Should Know about the Atkins Diet.