What is a Low Calorie Diet?

A low calorie diet is a clinically proven diet plan that involves eating about 800 calories a day.
They are considered for overweight and obese people who are managing diabetes.

Full 6 Week Diet Plan - Save 30%

Our Six-Week Plan combines nutritional knowledge and exercise tips with behavioural strategies that can fit easily into your lifestyle.

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Maintenance Plan - Save 25%

Designed to help you to maintain your desired body weight, particularly after weight loss

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Maintenance Plan

Designed to help you to maintain your desired body weight, particularly after weight loss

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1 Week Trial Pack - 20% off

Can't decide which Plan is right for you? Try our 1 Week Trial Pack.

This pack is specially designed to help people in their weight loss journey in a structured and efficient way whilst getting to know OPTIFAST products.

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A table covered with Optifast Products including Shakes, Soups, Bars and Desserts.

Find Your Perfect Diet Plan

Find a Diet Plan that is tailored to your specific needs and goals.

Click below to calculate your BMI and find a Diet Plan that's recommended for you.

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Selected by Oviva

OPTIFAST is a product for Oviva, a provider for the NHS Low Calorie Diet programme