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Medifast 5-1 Diet

Tired of prolonged fasting, starvation, and food deprivation? Consider Medifast 5-1 plan.


Medifast is a  low calorie, reduced carb diet to encourage weight loss.

This includes 5 small snacks also known as fuelings and one full course meal throughout the day. 

Fuelings comprise over 60 items that are low in carbs but high in protein and probiotic cultures, which contain friendly bacteria that may boost your gut health. These foods include bars, cookies, shakes, puddings, cereals, soups, and pastas.

Although they may seem quite high in carbs, Fuelings are designed to be lower in carbs and sugar than traditional versions of the same foods. To accomplish this, it is recommended to uses sugar substitutes and small portion sizes.

Healthy Snack
Healthy Green Smoothies
Granola Bars
Acai Bowl
Main Course Gourmet Meal


How does Medifast 5-1 diet work?


For weight loss, most people start with the Optimal Weight 5&1 Plan, which is an 800– 1,000 calorie regimen said to help you drop 12 pounds (5.4 kg) over 12 weeks.

On this plan, you eat 5 Fuelings and 1 Lean and Green meal daily. You’re meant to eat 1 meal every 2–3 hours and incorporate 30 minutes of moderate exercise most days of the week.

In total, the Fuelings and meal provide no more than 100 grams of carbs per day.


Lean and Green meals are designed to be high in protein and low in carbs. One meal offers 5–7 ounces (150–200 grams) of cooked lean protein, 3 servings of non-starchy vegetables, and up to 2 servings of healthy fats.

Alcohol is strongly discouraged in the Medifast 5-1 Plan.

This plan also includes 1 optional snack per day, which must be approved by your coach. Plan- approved snacks include 3 celery sticks, 1/2 cup (60 grams) of sugar-free gelatin, or 1/2 ounce (14 grams) of nuts.


Once you reach your desired weight, you enter a 6-week transition phase, which involves slowly increasing calories to no more than 1,550 calories per day and adding in a wider variety of foods, including whole grains, fruits, and low fat dairy.


Weight loss phase:

  • 800-1000 calories/day

  • 5 fuelings (small snacks)

  • 1 lean meal​​

  • 30-40 minutes exercise 

Maintenance phase:

  • 1000-1500 calories/day

  • 5 fuelings (small snacks)

  • 1 lean meal

  • 30-40 minutes exercise 

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