The term "90-300 diet" does not seem to refer to a specific diet plan or concept. However, based on the search results, it is possible that you might be referring to the 90-day diet plan mentioned in
or the Whole30 program mentioned in
. The 90-day diet plan is a simple way to lose weight and form life-long healthy eating habits. It allows you to experiment with different foods and create a meal plan that you enjoy, making it easier to stick to the diet. The plan also provides enough time to fall off the diet and pick yourself back up, giving you the opportunity to learn from your mistakes and get back on track
. The Whole30 program is an elimination diet program that aims to improve sleep, energy, and mood, and potentially aid in weight loss. The program focuses on consuming whole, unprocessed foods and eliminating processed and unhealthy foods from your diet
. Another related concept is the 80/20 rule , which is a healthy, less- restrictive eating plan that allows you to enjoy your favorite foods in moderation while eating nutritious foods 80% of the time. This approach is more "real-life" and easier to follow than other diet plans, as it does not require strict adherence to a specific plan