I have ordered the apple and blackcurrant protein drink several times now. The ordering process is straightforward and the product has always arrived quickly. I really like this drink. It is refreshin... See more
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My husband and I (mid-60s) have subscribed to The Fast 800 program now for five years. It is a wonderful and economical help towards lifestyle change and better health. With the cost of living now, we... See more
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This is a fantastic plan on every level. Easy to understand and follow, lists compiled relevant to your chosen menu plan and you feel great, a massive psychological boost. You sleep better, your body... See more
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Lots of simple, quick recipes, easy to follow guidance, advice & ideas. Plenty of support from fellow members. Loads of exercise routines, for every ability to do in the privacy of your own home. Huge... See more
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Company details
Written by the company
Weight Loss For Better Health 📅 Guided Programme & Weight Loss Support 👏 80k members📱Now an app!
Contact info
United Kingdom
- thefast800.com
4.4
Excellent
859 reviews
Replied to 100% of negative reviews
Typically replies within 1 week
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Firstly I was lucky to have received a…
Firstly I was lucky to have received a discount code for the 12 week program, so based on that I would rate it 5/5. BUT if I was rating at paying full price it would be 3/5.
The menu plans are extensive and I really enjoyed the food. The exercise plans were straightforward to follow … but that’s where it ends. There was zero support - although in saying that when I did have a question they did respond within a few days - BUT the cohort chat group I was in, there were comments about people not losing weight and there were no responses.
It was good for the first 6 weeks but then to be completely honest I got bored with it and started to go off track. I’m currently in week 9 and have lost almost 4kg so it does work… just not how I thought it would, and at the full price would be quite expensive compared to the results.
February 9, 2026
Unprompted review
Reply from The Fast 800
Hi Annie,
Thank you for your honest feedback, and congratulations on your results so far! We are pleased to hear you enjoyed the meal plans and found the exercises easy to follow.
We are sorry to hear that you felt the support in the cohort groups didn't quite meet your expectations during the latter half of the programme. We always want our members to feel encouraged throughout.
If you have any specific questions as you navigate these final weeks, or if there is anything we can do to help you get back on track, please do reach out to our team at info@thefast800.com.
Warm regards, The Fast 800 team :)
Fast 800 program
Fast 800 program is very easy to follow. Protein shakes are delicious. Recipes are easy and delicious. Apart from the first couple of days I'm not hungry. Exercise program easy to follow.
April 8, 2026
Unprompted review
Reply from The Fast 800
Hi Kerry,
Many thanks for your wonderful 5-star review! It is brilliant to hear that you are finding the programme easy to follow and that the recipes and shakes are hitting the spot.
We are pleased to hear that your hunger has settled after those first few days!
Keep up the fantastic work!
Warm regards, The Fast 800 team :)
I never believed it was possible!
I liked the individualised process to determine what kind of Fast 800 diet would be right for me. I love that the focus is not just about weight loss, but also exercise, education and mindfulness. Understanding what is happening in my body, the science behind the Keto approach to weight loss, has been really helpful. I am 3/4 way through the 12 weeks and already feel fantastic. I have watched 12cm disappear from my waist in 8.5 weeks, I am over the moon. I also like that after the 12 weeks there is a Stage 2 before adopting a maintenance approach that will be for the long term.
April 2, 2026
Unprompted review
Reply from The Fast 800
Hi Jane,
Thank you so much for your wonderful review!
We are absolutely thrilled to hear you have already seen amazing results! What a fantastic achievement. It is great to know that you are enjoying the educational and mindfulness aspects of the programme just as much as the physical results; understanding the science is such a key part of long-term success.
Keep up the amazing work!
Warm regards, The Fast 800 team :)
Great taste
The product is excellent, however none of the seals of all 3 bags work properly which is very disappointing. Please use a higher quality bag.
March 28, 2026
Unprompted review
Reply from The Fast 800
Hi Lane,
Thank you for your 4-star review and for your kind words about our product.
We are, however, very sorry to hear about the issue with the seals on your bags. So we can investigate this further for you, would you mind reaching out to us at shakes@thefast800.com with your order details? We would love to assist you and look into this.
Warm regards,
The Fast 800 team :)
Very well thought out programme!
This is a well thought out programme. I did the 5:2 option - 1500 calories for 5 days and 800 calories for 2 days. I lost weight at a steady pace but there is an option to lose weight faster if you want it.
Meal plans are suggested for each day with the calories, protein and fibre already calculated. There is a vast store of recipes so you can make substitutions if you wish.
As a vegetarian, I was able to easily choose plenty of vegetarian recipes.
There are daily information sections covering a range of topics such as the importance of fibre and getting energy from protein instead of carbohydrates.
An excellent feature is a daily set of exercises alternating between working on core strength, cardiac, and suppleness. These go hand in hand with the healthy recipes.
You can also join an online community of other dieters for mutual support if you wish. I didn't.
It was easy to contact someone with any queries and the replies usually came back within 24 hours or sooner.
The only downside, I found, is that if you are making a meal for one, some of the ingredient quantities are small, eg, a quarter of an onion, an eighth of a red cabbage. However, it is usually possible to make larger amounts for saving/freezing.
I recommend this programme 100%!
March 19, 2026
Unprompted review
Reply from The Fast 800
Hi Carol,
Thank you so much for such a thoughtful and detailed review! We are delighted to hear you found the 5:2 programme so effective and that our vegetarian recipes and daily exercises hit the mark for you.
We really appreciate the feedback regarding ingredient quantities for solo meals; it's a great tip for others to cook in larger batches for the freezer. It’s brilliant to know our Customer Service team could support you quickly when you reached out to them.
Congratulations on your progress!
Warm regards, The Fast 800 team :)
Excellent company to deal with
The products were as stated and delivery was prompt
March 22, 2026
Unprompted review
Reply from The Fast 800
Hi Gaille,
Many thanks for your review. We're delighted to hear the products met your expectations and arrived promptly.
Warm regards, The Fast 800 team :)
Using the App , so much easier…
I’ve used the MM blood sugar diet previously but needed to get back on track- and was ready to do so - then found the app!!! What a transformation.
It has been so easy to choose meals that suit me; every week has been different and the choice is never ending, and I haven’t even started putting my own tweets in!!
Long may this continue, along with the exercise recommendations. Currently in week 9 and 14 lbs down. Feeling good and so happy with the weight loss
March 19, 2026
Unprompted review
Reply from The Fast 800
Hi Christine,
Thank you so much for sharing your wonderful progress! It is fantastic to hear how the app has helped you get back on track and that you are enjoying the variety of meals available.
You should be very proud of your dedication. We are delighted that the exercise recommendations are working well for you. We can't wait to see how you get on as you continue with the programme and start adding your own personal tweaks to the meals!
Keep up the brilliant work, and thank you for being part of our community.
Warm regards, The Fast 800 team :)
Highly, highly recommended.
Brilliant service every time. The quality of the products and speed of despatch is second to none.
An easy 5⭐️ from me.
March 15, 2026
Unprompted review
Reply from The Fast 800
Hi there,
We really appreciate you taking the time to leave such a kind review. It’s fantastic to hear that we’ve delivered a 'second to none' experience for you once again. Your continued support means a lot to the whole team!
Warm regards, The Fast 800 team :)
Really good customer Fast 800 have responded and have been really good at resolving the issue with a full refund
Revised review I want to highlight how impressed I am with the customer service at Fast 800 they way the team handled the situation they took ownership of the issue and have gone above and beyond to resolve quickly.
Brought the mushroom soup would not recommend doesn't mix well following
the instructions very powdery weak taste of mushroom or anything other than cardboard i appreciate that it is not made to taste the same as processed
packet soup but the mushroom soup is inedible and i have wasted money. I brought the soup as a warm option on cold days while at work.
March 13, 2026
Unprompted review
Reply from The Fast 800
Hi Annette,
We’re sorry to hear that our Mushroom Soup let you down, especially when you were looking forward to a warm lunch at work.
We’d love the chance to help. Please contact us at shakes@thefast800.com so we can assist you.
Kind regards, The Fast 800 team :)
Reply from The Fast 800
Hi Cath,
Thank you so much for your kind words! We are absolutely delighted to hear that you are enjoying The Fast 800 shakes and finding them so tasty.
Warm regards, The Fast 800 team :)
Extraordinary
Extraordinary - I lost over 10% of my body weight in the first 5 weeks alone, just following the plan 5 days a week. And I never felt super-hungry. Meanwhile my blood pressure has gone from hypertension to normal and my cholesterol from elevated to normal.
March 12, 2026
Unprompted review
Reply from The Fast 800
Hi Warwick,
Thank you so much for sharing your extraordinary results with us!
We are absolutely thrilled to hear about the impact the programme has had on your health in just five weeks. Hearing that your blood pressure and cholesterol have returned to normal levels is truly the best part.
It’s also wonderful to know that you found the plan sustainable without feeling "super-hungry" - that is exactly what we aim for!
Your dedication to following the plan is clearly paying off, and we are so proud to be part of your journey to better health.
Warm regards, The Fast 800 team :)
My healthier self
Love the shakes. Navigating around the website was very clear and easy. The exercises really motivate me and help me keep in shape. The food tastes wonderful and the recipes are easy and don’t take long to prepare. Gathering the food is simple as i don’t have to think about it after i have decided on the weekly menu. Love the meditation sessions and the words of both knowledge and wisdom at the end of my session. Monitoring my progress is also a big motivator to keep going as i see myself getting more movable again after so many years neglecting myself.
March 11, 2026
Unprompted review
Reply from The Fast 800
Hi Sonya,
Thank you so much for sharing such a wonderful and detailed review! We are absolutely thrilled to hear how much you are enjoying The Fast 800 experience.
It is particularly heartening to hear that the programme is helping you feel "more movable" again after so many years. Regaining that physical freedom is a huge achievement, and we are glad the progress monitoring is keeping you motivated.
Thank you for being part of our community. We look forward to supporting you as you continue your journey toward better health!
Warm regards,
The Fast 800 team :)
Shaking my Lunches
I have been shaking the Fast 800 for about a month now. I have it for my lunches at work and it is very satisfying, I don't feel hungry during the afternoon stretch. Flavours are great (coffee, strawberry, Vanilla - the best, and chocolate). I am trying to maintain my weight as I find it difficult to excersize, and so far so good.
March 9, 2026
Unprompted review
Reply from The Fast 800
Hi Terrih,
Thank you for the lovely review! We are delighted to hear that our shakes are making your work lunches easier and more satisfying.
It is great to know that the Vanilla, Coffee, Strawberry, and Chocolate flavours are all hitting the mark and helping you manage that "afternoon stretch" while maintaining your weight.
Thanks again for sharing your experience!
Warm regards, The Fast 800 team :)
I spent nearly£100 on my first order.
I spent nearly£100 on my first order.
The chocolate shake was thin and tasted horrible. I threw the bag and shake away. Next I tried the vanilla shake which left a claggy taste in my mouth. I could not bring myself to have another shake so that went in the bin also. I also ordered 2 boxes of bars..coffee and peanut...they were more palatable but overall for me because of vile shakes I will not be buying again.
February 25, 2026
Unprompted review
Reply from The Fast 800
Hi Elaine,
We are incredibly sorry to hear that your first experience with our shakes didn't meet your expectations. It’s disappointing to learn that the flavour and texture weren't to your liking.
We would really like the opportunity to make this right for you and discuss your feedback further. Please could you reach out to our dedicated support team at Shakes@thefast800.com?
We value your honesty and hope we can put this right.
Warm regards, The Fast 800 team :)
Mushroom soup
I have had good results with this. however I tried the Mushroom soup but found it very powdery even after stirring it for ages. I will finish the pack but wont be buying it again
March 3, 2026
Unprompted review
Reply from The Fast 800
Hi Sue,
Thank you for your feedback!
We are sorry to hear the Mushroom Soup hasn't quite hit the mark for you in terms of texture. If you would like to reach out to our Customer Service, they will be more than happy to help. You can reach them at Shakes@thefast800.com.
We really appreciate you sharing your experience.
Warm regards, The Fast 800 team :)
Good customer care
I bought several products in the past from Fast 800 and have always enjoyed them. This time I bought pea protein isolate powder (Keto protein powder) as there were few ingredients and it was minimally processed (vanilla and chocolate). Unfortunately I struggled with the taste and texture, which was very different from the whey protein I have purchased in the past. I reached out to customer care who responded promptly and have been really helpful. I felt valued as a returning customer and am most pleased and grateful with how they dealt with the issue.
February 23, 2026
Unprompted review
Reply from The Fast 800
Hi Magali,
Thank you for taking the time to share your feedback. We are truly sorry to hear that our Protein Powder didn't meet your expectations, especially as a long-standing customer who has enjoyed our range of products in the past.
I have located your recent message and flagged it with our Customer Service team for further review. One of our team members will be in touch with you directly via your support ticket as soon as possible.
Thank you for your patience in the meantime.
Warm regards, The Fast 800 team
Good protein/fibre bars
Good protein/fibre bars. We like all the flavours other than coffee which we find very sickly.
Would be great if when Fast 800 does an offer to buy all 4 flavours there is the option to select which flavours you actually like.
Customer service for any feedback is at one of two extremes - either quick and very helpful or zero response.
February 25, 2026
Unprompted review
Reply from The Fast 800
Hi Mrs T,
Thank you for taking the time to share your thoughts with us. We are delighted to hear that you are enjoying our protein bars, though we are sorry to hear the coffee flavour hasn't quite hit the mark for you!
We appreciate your feedback regarding our Protein Bar Lover Bundle. Please feel free to contact our Customer Service team at shakes@thefast800.com to discuss this further.
Please accept our sincere apologies for the experience you’ve had with our Customer Service team. We pride ourselves on being helpful, so hearing that some of your messages went unanswered is disappointing.
We have recently identified and resolved a technical glitch that prevented some enquiries from reaching our system. Now that this is fixed, you can expect the quick, consistent support we aim to provide every time.
If we can assist you further, please do not hesitate to reach out to our team at shakes@thefast800.com.
Warm regards,
The Fast 800 Team :)
Disappointed
The Vanilla shake is ridiculously gritty when finishing the last few mouthfuls. I have actually had to reach for water to get rid of it as it’s make me cough heavily. I always drink the shakes within a few minutes. I’ve tried chocolate, strawberry and vanilla. The vanilla is the worst. Also at the bottom of the white cup I use are very small bright blue spots. Look like something from washing powder. Not sure what that is. I definitely cannot drink any of the flavours without them being dissolved in skimmed milk.
They also give me horrific bloating and wind. Which is uncomfortable and embarrassing. The only good thing is they are less sweet than some other brands.
You have to use 5 scoops were other brands use three. Hence getting through the packets much quicker. I’m not that impressed.
I didn’t loose much weight despite having one for breakfast and lunch and then green salad and fish for tea. So not great.
February 2, 2026
Unprompted review
Reply from The Fast 800
Hi Tracey,
Thank you for taking the time to share such detailed feedback. We are truly sorry to hear that your experience with our shakes hasn't met your expectations.
We would really like to make this right and look into that batch for you. Please could please email us at shakes@thefast800.com
Please include your order number and, if possible, a photo of the blue spots and the batch code on the back of the packet. This will help our team.
We look forward to putting this right for you as quickly as possible.
Warm regards, The Fast 800 team
Great offer!
Great website for ease of use. Fast delivery of the product. The apple drink helps me with my digestion whilst I am following the Fast 800 plan. I actually mix it with some pre- soaked chia seeds & it is great for the gut. The 20% off offer was much appreciated. Thank you!
February 1, 2026
Unprompted review
Reply from The Fast 800
Hi Viv,
Thanks so much for the lovely review.
It’s brilliant to hear that our website and fast delivery hit the mark for you. We love your tip about mixing the Apple Fibre Blend with pre-soaked chia seeds - that sounds delicious!
We’re glad you could make the most of the 20% off discount, too.
Warm regards,
The Fast 800 team :)
I love the milkshakes and meal bars
I love the milkshakes and meal bars, they help me when I am extremely busy and haven’t had time to prepare my lunch. This way I know I am able to stick to my food plan with the 800 fast whilst out on the go.
February 15, 2026
Unprompted review
Reply from The Fast 800
Hi Suzi,
Many thanks for sharing your experience!
It’s great to hear that our shakes and bars are helping you stay on track, especially during those hectic days. Life definitely gets busy, so we’re delighted we can make sticking to your plan that little bit easier while you're on the go.
Warm regards, The Fast 800 team :)
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