Teg came off her mental health medication and swapped the sofa for the gym.
Science-backed diet plan for weight loss
Together, we’ve lost over 1.4 million lbs.
No gimmicks. No one-size-fits-all approach. Just a personalised diet plan for weight loss that fits your lifestyle.
With a personal 1:1 Diet Consultant by your side, a plan shaped around your goals and meals you’ll genuinely enjoy, results aren’t just possible. They’re proven.
Backed by 40 years of science
10,000s of weight loss success stories
Proven to support type 2 diabetes remission
Nutritionally trained Consultants
One community. Hundreds of experts. Thousands of successful weight loss stories.
With one-to-one support, tailored diet plans and a variety of food options, it’s no wonder people following this calorie deficit diet have lost a combined 1.4 million lbs since 2020, with the average dieter losing 1.5 stone in eight weeks.
Hyacinth overcame sleep apnoea and reduced her risk of developing diabetes.
Nathan transformed his relationship with food and rediscovered his love for life.
Claire put her diabetes into remission and said goodbye to chronic migraines.
What makes The 1:1 Diet different?
This healthy weight loss programme to lose weight isn’t like other weight loss solutions. Here’s what makes it different.
Follow a tailored meal replacement diet plan designed around your life, your goals and your pace.
Your expertly trained Consultant is right there with you, offering encouragement and advice whenever you need it most.
Choose from a wide range of nutritionally complete shakes, bars and savoury meals, designed to be enjoyed morning, noon and night.
Your personal Consultant is always within reach, whether you prefer to meet in person or online, with tailored support to help keep you on track.
Enjoy affordable, reduced-calorie meals for an average of less than £3 per serving, with complete and balanced nutrition you can trust.
The weight management approach behind The 1:1 Diet has been proven to help thousands of people put type 2 diabetes into remission.
A diet plan backed by research
Founded by Dr Alan Howard in the 1960s, one of the pioneers of obesity research, The 1:1 Diet is grounded in scientific evidence and real, life-changing results.
46% achieved type 2 diabetes reversal
In the DiRECT study, 46% of participants who lost at least 15kg achieved type 2 diabetes remission after one year.
An NHS pilot involving 5,000 patients
Following the results of DiRECT, the NHS commissioned a pilot Type 2 diabetes remission programme involving 5,000 patients.
Average losses of over 1.5 stone in 8 weeks
The average dieter following The 1:1 Diet loses over 1.5 stone in eight weeks.
A flexible approach to dieting
We know the world of dieting can feel complex. That’s why our experts are with you every step of the way, offering support that works for you and your lifestyle.
Meet in person
Find a local Consultant and arrange regular face-to-face meetings.
Book an appointment online
Choose a time that fits easily into your busy schedule.
Call or email
Request a callback or speak to your Consultant by email.
Not ready to commit?
Try a Taster Pack for £9.99
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Access to our Consultant network.
Taste it for yourself for just £9.99.
On or coming off weight loss medication?
Our Support Programme combines science-backed nutrition with one-to-one coaching, helping you navigate prescribed weight loss medication with confidence. You’ll also learn sustainable, healthy habits designed to support long-term weight management.
Everything you need to know before starting your weight loss journey
How much does The 1:1 Diet cost?
The 1:1 Diet costs approximately £62.79 per week when following a plan that includes three products a day. Meals cost around £3 each, although prices may vary between Consultants.
The cost also includes your personalised plan, weekly one-to-one consultation and ongoing support from your Consultant.
Is The 1:1 Diet safe?
Yes, The 1:1 Diet is a research-backed weight loss programme that has been shown to be safe and effective when followed correctly. Its products are nutritionally balanced and your personal Consultant will help you choose the right Step for your needs.
If you have an existing health condition or take medication, speak to your healthcare professional and tell your Consultant before beginning the Plan.
How quickly will I lose weight?
How quickly you lose weight will depend on your starting weight, chosen Step and how closely you follow the Plan. Your Consultant will create a personalised approach based on your body, lifestyle and goals, helping you lose weight at a pace that is right for you.
Studies involving The 1:1 Diet products and Plan have reported weight losses of more than 10kg, although individual results will vary.
What are the Steps on The 1:1 Diet?
The 1:1 Diet has six flexible Steps designed to support you from your first day through to long-term weight maintenance. Your Consultant will help you select the most suitable Step and adjust your Plan as your needs change.
Step 1 replaces conventional meals with nutritionally complete meal replacement products, while Steps 2 to 4 gradually introduce more everyday food.
Step 5 focuses on portion control and balanced choices, before Step 6 helps you maintain your results through sustainable habits and continued support.
Can The 1:1 Diet help with type 2 diabetes?
Yes, research shows that the weight loss approach used by The 1:1 Diet can help people manage or put type 2 diabetes into remission. In the DiRECT study, which was based on The 1:1 Diet products and Plan, 46% of participants achieved remission after one year.
The Plan combines nutritionally balanced meal replacement products, personalised guidance and one-to-one support. Always speak to your healthcare professional before changing your diet or diabetes medication.
Can I lose more weight with The 1:1 Diet than with weight loss medication?
Weight loss results vary, so it is not possible to guarantee that you will lose more weight with The 1:1 Diet than with weight loss medication. The right approach will depend on your health, goals and individual circumstances.
The 1:1 Diet offers a non-pharmaceutical, food-based programme with nutritionally balanced products, a flexible six-Step Plan and ongoing one-to-one support designed to help you lose weight and maintain your results.
Learn more about weight loss, tips and recipes
Discover delicious recipes, inspiring weight loss success stories and expert advice from our nutritionists.
What happens after stopping weight loss injections?
With over two million people in the UK paying for private weight loss medications, and a further 3.3 million UK adults interested in starting them over the next year, it's clear that weight loss jabs aren't going anywhere.
Roast Chicken & Pumpkin Traybake
Here’s another tasty Step 2 recipe to warm up these Autumn nights that only takes 15 minutes to prep!
Introducing the Black Forest hot chocolate
We’re excited to introduce the latest addition to The 1:1 Diet range: Black Forest Hot Chocolate – a rich and indulgent chocolate drink with a delicious hint of cherry flavour, inspired by the classic Black Forest combination.
Ready to lose weight... and keep it off?
Join the tens of thousands of dieters who have transformed their lives and health with The 1:1 Diet. Discover a sustainable, healthy weight loss programme with no fads and real experts by your side.
Free consultation. No commitment. Expertly trained Consultants across the UK.
No payment is required until you’re fully onboarded. Cancel at any time.