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The Fast 800

thefast800.com
3.0

40 reviews

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Anita
19 April 2026

Really not very nice

Really not very nice. I am using the fast 800 shakes and they are really unpleasant. Gritty texture. Weak and bland taste. Can not wait until they are gone 🤢🤮

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Tracey Warren
17 April 2026

Hi Claire and all of the wonderful team…

Hi Claire and all of the wonderful team from The Fast 800. I have been enjoying your amazing shakes for a while now and I absolutely love them all. I am trying to pick a favorite, but find they are all really delicious and are perfect for my breakfast on the go and for a super nutritious lunch. I feel fabulous and find them a great meal replacement. They are filling and do not leave me hungry at all and I know I am getting all the vitamins and minerals I need. No more aches and pains and I sleep so much better. They are all so yummy and I love your healthy meal recipes as well. They are a great addition to my meal plan and I always pack them when I am traveling or away from home on business or on holiday too. I have complete confidence and hold the utmost trust in your incredible product The Fast 800. I love it. Thank you so much from Australia. ❤️🙏❤️

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and
16 April 2026

Excellent customer service

I had a problem with delivery of an order by a courier. The customer service team sorted it out immediately. They were understanding, polite and more than helpful in resolving the issue. This customer service team fully deserves the 5 stars.

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Bibi
9 April 2026

My to go to shakes

I love that these shakes are made with wholesome nutritious ingredients. They are quite filling, tasty and low in sugar, which is a plus!

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Annie
9 April 2026

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.

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Kerry Warner
8 April 2026

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.

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Jane LONGBOTTOM
2 April 2026

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.

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Lane
28 March 2026

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.

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Carol
24 March 2026

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%!

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Gaille Perry
22 March 2026

Excellent company to deal with

The products were as stated and delivery was prompt

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Christine
19 March 2026

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

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s spiers
15 March 2026

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.

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Annette Martin
13 March 2026

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.

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Cath Livesey
12 March 2026

Love the fast 800 shakes

Love the fast 800 shakes, very tasty.

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Warwick Cairns
12 March 2026

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.

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The Fast 800 — Review Summary

Based on 40 verified customer reviews, The Fast 800 holds an average rating of 3.0 out of 5 — rated Average on ReviewTerminal.

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