Plus, RD-approved tips for exactly what to look for before you buy.

In her most recent Instagram post, she shared a side-by-side from before she started the keto diet (shortly after she gave birth to her daughter Batel, who was conceived via IVF ), and one from today.

Low-carb diets are eating patterns that provide fewer than 130 grams of carbohydrates, or less than 26% of total calories from carbs, per day. Carbohydrates are macronutrients found in foods like ...