Discover Our Diet Plans
OPTIFAST offers several plans for you to choose from, depending on your weight loss goals and your personal lifestyle.
The Six Week Plan
A plan designed to help you kick start weight loss in a structured way, in just 6 weeks.
Intermittent Fasting Plan
A flexible plan that helps you lose or maintain weight, without significantly reducing calorie intake every day.
Partial Meal Replacement
Our most flexible diet plan, you can eat more conventional foods than if you were to follow a different plan.
6 Weeks Diet Plan
Save £146 on our best selling 6 week diet plan + receive 2 FREE meal bars on your order.
Our Six-Week Plan can help you lose weight. It was developed for people who want to lose weight on their own using a clear schedule.
4 Weeks Intermittent Fasting Plan
For just £2.05 per meal, our diet plan designed to help you kick start weight loss in a structured way, in just 4 weeks!
Our Intermittent Fasting Plans can help you lose weight and maintain your weight loss without restricting your calorie intake days in a row.Buy Now
2 Weeks Partial Meal Replacement Plan
Save £15 on your first 2 weeks diet plan and get 2 boxes of meal bars for FREE!
This plan is our most flexible option. You create your own plan by deciding how many conventional meals you want to replace each day with OPTIFAST meal replacements. The more meals you choose to replace, the more weight you will lose.Buy Now
Maintain Your Desired Weight For Good
Enjoy 25% off on 8 weeks maintenance diet plan, for just £1.92 per meal.
Our Maintenance Plan is a meal replacement plan designed to help you maintain your desired body weight, especially after weight loss.Buy Now