12th May 2025

Do Online Weight Loss Programmes Really Work? Success Stories & Insights

Online weight loss programmes have grown steadily in popularity over the last couple of decades, and there are now hundreds of different options to choose from. The big question is, do they actually work? While results will vary person to person and between programmesprogramme, those that are backed by science and designed for long-term lifestyle change often see high, long-term success rates.

The Fast 800 is a weight loss programme built around intermittent fasting. It was designed by health and science experts and has helped over 120,000 people successfully lose weight. Here are some of their stories and the biggest lessons learnt about online weight loss programmes.

The Fast 800 Weight Loss Success Stories

Clare (59) & Adrian (62) – Lost 40kg

Concern for her husband’s health and risk of serious illness was the catalyst for Clare to take their joint COVID weight gain seriously. Having tried several diets before, Clare decided to research more education-based, sustainable options and found The Fast 800. Knowing that lifestyle changes are easier when you do it together, she convinced Adrian to sign up with her.

Over the initial 12-week programme, they lost a combined 40kg. But more than that, they overhauled their lifestyle to learn more about nutrition and what their bodies actually needed to support them, leading to long-term, sustainable changes and health benefits.

Calli (49) – Lost 21kg

Calli had found that in the 10 years since having children, her weight had increased, and her overall health had declined. She was diagnosed with an autoimmune disease and began developing a range of symptoms associated with systemic inflammation and poor gut health. 

After trying diets that did nothing to help, her familiarity with Dr. Mosley’s work led her to The Fast 800. Over the first 12 weeks, Calli lost 21kg, came off her medication, and shed her inflammation symptoms. She said the knowledge she was provided during the programme helped build her understanding of what works, what doesn’t, and why, enabling her to make long-term beneficial lifestyle changes.

Pawel – Lost 63kg

An NHS doctor, Pawel is the perfect example of how anyone can struggle with maintaining a healthy weight. A busy job, post-COVID fatigue, and struggles with depression saw Pawel hit a weight of 154kg. Pre-diabetic and with high blood pressure, he decided to make a change. 

Using his medical knowledge, he researched reputable weight loss plans and found The Fast 800. Making the most of everything the programme had to offer, Pawel followed exercise videos, recipes, and mindfulness videos. He undertook the programme alongside prescribed weight loss medication, and this combined method ultimately helped him lose over 60kg.

More Than Weight Loss – The Biggest Insights

From the thousands of reviews and stories from participants, there have been some key insights that help us understand what makes some online weight loss programmes work better than others.

It Has to Work for You

If the same thing worked for everyone, everyone would do the same thing and get the same results. Most people who take part in The Fast 800 have tried other weight loss programmes before, without much success. A one-size-fits-all approach rarely works, and the option for flexibility and personalisation without tight restrictions can improve the likelihood of success. 

Education Is Key

The majority of people who successfully undertake a weight loss programme and see long-term results don’t just follow a diet or join a gym. Most participants talk about the impact of education and building their knowledge around nutrition, weight management, hormones, behaviour, exercise, and mindfulness (as well as how to effectively utilise products like weight loss shakes or meal replacement shakes). It’s not just about a good plan but one that gives you the tools to do it on your own as well.

Weight Loss Is Just Part of It

For most people, a weight loss journey is not just about the weight – it’s about improving their overall health and quality of life, including any weight-related health conditions. Even those who come in with goals of fast weight loss often soon realise the extra benefits of a programme backed by science and personalised to your body and lifestyle. The right weight loss plan can not just improve your weight but multiple aspects of your life – from health, to energy, to mental clarity.

Find a Programme That Works for You

Not all online weight loss plans work for everyone, but it’s definitely possible to find one that will work for you. Ensuring the programme is backed by science and proven methods is incredibly important, but one of the best signs of an effective programme is the reviews and success stories from others. If it’s worked for someone like you, chances are it can work for you too – if you’re willing to put the work in!

Enjoy high protein, low carb meal plans to help control your carb cravings. The Fast 800 Programme is a holistic approach to weight loss with recipes, exercise guides, meditations and an interactive community of like-minded members.

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FAQs

Do online weight loss programmes actually work?

Yes, online weight loss programmes can work, especially those backed by scientific research and designed for long-term lifestyle changes. programmes like The Fast 800, which emphasise education, flexibility, and sustainable habits, have helped many individuals achieve weight loss and improve their overall health. Success often depends on personal commitment and choosing the right programme for you.

What makes The Fast 800 successful for weight loss?

The Fast 800’s success lies in its science-based approach, focusing on intermittent fasting, education, and sustainable lifestyle changes. Participants have experienced significant weight loss and health improvements by following a personalised plan that suited their needs, showing that the programme’s flexibility is key to its success.

How important is education in weight loss programmes?

Education plays a crucial role in successful weight loss programmes. Understanding nutrition, weight management, and the science behind different diets helps participants make informed choices for long-term health. Programmes like The Fast 800 teach participants about the factors affecting weight and health, empowering them to continue making healthy decisions even after the programme ends.

Can weight loss programmes improve health beyond losing weight?

Yes, many participants find that weight loss programmes like The Fast 800 improve not only their weight but also their overall health. Benefits can include increased energy, improved mental clarity, better mood, and even the reduction of symptoms associated with conditions like autoimmune diseases or inflammation.

“My craving for sweet things has generally gone – I am enjoying my food much more and eating a wider range of foods than I did previously. It is definitely more satisfying and feels healthier.”

– Elizabeth, Programme Member

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