Nutritionist Rania Batayneh, MPH is the author of the #1 Amazon bestselling book, The One One One Diet: The Simple 1:1:1 Formula for Fast and Sustained Weight Loss.

Anyone who has tried to slim down is used to adding (calories, points, fat grams, net carbs) and subtracting (pounds, inches, dress sizes). But all that diet math rarely results in long-lasting weight loss. To be successful on The One One One Diet, readers only need to count to one: one protein, one carb, and one fat at every meal. Click here to purchase your copy of of The One One One Diet!