ProLon UK Reviews 113

TrustScore 4 out of 5

4.1

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Rated 5 out of 5 stars

I have done 4 rounds of 5-day fasting and can’t be more happy with results in terms of weight loss and health. Prolon obviously knows what they’re doing, fast is balanced, food is good (I really liked... See more

Company replied

Rated 5 out of 5 stars

Great experience & well planned with tasty products . Recommending spreading meals across the day which will make it easier for body & mind. Definitely worth doing for all health benefits that will co... See more

Company replied

Rated 1 out of 5 stars

Have been using prolon for years but unfortunately have to stop now. I found hair in one of the soups and I ordered 2 packs of chocololate chip fasting bars and the bars had 1-3 chips, basically the s... See more

Company replied

Rated 5 out of 5 stars

I ordered Prolon reset product and adjusted my meal following the guidelines from prof Valter Longo "Fasting Cancer" book for people on chemotherapy. I liked the taste of the nuts bar, the kale and al... See more

Company replied

Company details

  1. Health Food Store

Written by the company

ProLon is a 5-Day Fasting Diet Program that activates the body's dormant ability to protect, repair and rejuvenate itself.


Contact info

4.1

Great

TrustScore 4 out of 5

113 reviews

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Rated 5 out of 5 stars

breakfast bar!


yes, using nutrrition bars at breakfast time, very useful!

15 January 2026
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Reply from ProLon UK

Dear Beth, thank you for your valuable feedback. We're happy to hear that you are satisfied with our Nutrition Bars, based on the Fasting Mimicking Technology!

Customer Care Team

Rated 1 out of 5 stars

Have been using prolon for years but…

Have been using prolon for years but unfortunately have to stop now. I found hair in one of the soups and I ordered 2 packs of chocololate chip fasting bars and the bars had 1-3 chips, basically the same as regular nut bars.

24 November 2025
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Reply from ProLon UK

Dear Natalia, thank you for your report. Our sincere apologies for the inconvenience. We have reached out to you in private, so as to gather more details and start an investigation. Looking forward to hearing back from you!

Customer Care Team

Rated 2 out of 5 stars

Very slow delivery

Very slow delivery
Did not match the 48 hr promised
Was at least 10 days

13 November 2025
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Reply from ProLon UK

Dear Paul, thanks for your feedback. We really apologize for the issues you encountered with your shipment. On our part, we are committed to providing you a high quality service and to finding the best solution for any need you may have. For any further needs, do not hesitate to reach out to us again.

Customer Care Team

Rated 5 out of 5 stars

Prolon Reset nutrition during therapy

I ordered Prolon reset product and adjusted my meal following the guidelines from prof Valter Longo "Fasting Cancer" book for people on chemotherapy. I liked the taste of the nuts bar, the kale and almond crackers, the olives and the pepper and onion soup. It looks like it helps with the chemotherapy side effects, which is great! Nutrition is very important during chemo and I hope and wish a further collaboration with the leading cancer clinics - HCA LOC, University College Hospital London and The Royal Marsden in UK - very useful for both patients and medical teams. It would also be nice to have the option for cancer patients - Chemolieve. Thanks a lot for the great product and service!

8 October 2025
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Reply from ProLon UK

Dear Violeta, thank you for sharing your experience with us! A valuable feedback for anyone who wants to start a journey with the ProLon - Fasting Mimicking Diet.

Customer Care Team

Rated 5 out of 5 stars

Easy to do for 5 days

Prompt delivery. Easy to use with good instructions. Good taste. I stay home and have a quiet time whilst I'm fasting as I find that easier to stay in the routine of the 5 days. I don't find that I'm hungry. Although I have lost my excess weight (10lbs) pretty quickly (I did it 4 times over 4 months), which has been helpful, it's been about longevity and staying well as I head into my 70's. So far so good!

11 September 2025
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Reply from ProLon UK

Dear Anne, thank you for sharing your experience with us! A valuable feedback for anyone who wants to start a journey with ProLon.

Customer Care Team

Rated 5 out of 5 stars

Works for me :)

4th time I've tried Prolon. I normally just go for the original. It's basic, but I really don't care about the soup flavour. It's more about the discipline, the ride and the reward for me. Lets face it the convenience of a managed plan for 5 days, with no cooking apart from heating soups is why people invest - and it WILL be hard for 5 days no matter what soup you have as the calories are so low. Plan your day around it and you'll be fine. For me day 3 was like a fog had been lifted - I tested and was in Ketosis. I felt amazing (and still do on day 4). Do it - 100% you won't regret it and you will be back for more.

8 September 2025
Unprompted review
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Reply from ProLon UK

Dear Ian, thank you for sharing your experience with us! A valuable feedback for anyone who wants to start a journey with ProLon.

Customer Care Team

Rated 5 out of 5 stars

Second time doing the 5 day diet and…

Second time doing the 5 day diet and third time ordering from them! Amazing communication, golden standard products! Highly recommend

6 August 2025
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Reply from ProLon UK

Dear Suelen, thanks for your valuable feedback. You satisfaction is our main priority!

Customer Care Team

Rated 5 out of 5 stars

First time I actually reduced my weight…

First time I actually reduced my weight with any dietary program . I highly recommend

31 July 2025
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Reply from ProLon UK

Dear Anwen, thanks for sharing your experience with us. We are happy to hear that you are satisfied with your ProLon journey!

Customer Care Team

Rated 5 out of 5 stars

Great products, seamless service

The products arrived next day. I am in the midst of the 5 day and the first two days were a breeze! The third day I felt a little hungry so drank more of the magic FMD drink and could easily distract myself. The nut bars are delicious and filling. They easily get you to lunch…so I bought some more for when I am tight on time.

9 July 2025
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Reply from ProLon UK

Dear client, thanks for sharing your experience with us. We are happy to hear that you are satisfied with our products, based on the Fasting Mimicking Technology!

Customer Care Team

Rated 5 out of 5 stars

A very good experience

Very pleased to have completed the 5 day fast with ProLon. Was much easier than expected and felt great throughout. I've lost 6lbs and returned to my usual weight. Loved the breakfast bar and the choco bar! Most of the soups were lovely - did have to add pepper to a couple of them. All in all a very good experience.

30 June 2025
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Reply from ProLon UK

Dear Lucy, thanks for sharing your experience with us. We are happy to hear that you are satisfied with your ProLon journey!

Customer Care Team

Rated 5 out of 5 stars

Kickstarted my weight loss programme…

Kickstarted my weight loss programme ... felt unbelievably focused on Day 4 when autophagy really kicked-in!

25 June 2025
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Reply from ProLon UK

Dear Philip,
Thank you for sharing your experience with us.
We are happy to hear that you are satisfied with your journey with ProLon 5-Day!

Customer Care Team

Rated 5 out of 5 stars

Fast prompt service

Product arrives promptly and clear to follow the plan

30 June 2025
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Reply from ProLon UK

Dear KA,
Thank you for this valuable feedback.
We are happy to hear that you are satisfied with our products and the service we provide!

Customer Care Team

Rated 5 out of 5 stars

This is a truly magnificent product

This is a truly magnificent product. I have now done 3 FMD 5 day cycles, and not only feel fantastic, but have lost half a stone each time. The customer service is also very fast at responding, and increadibly helpful.
A refreshingly pleasant experience.

2 July 2025
Unprompted review
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Reply from ProLon UK

Dear Andrew, thanks for sharing your experience with us. Your satisfaction is our main priority!

Customer Care Team

Rated 1 out of 5 stars

There is an issue over checkout

There is an issue over checkout. It automatically adds £30-£40 to the bill. The AI says this is a problem with the cart. Just posting to advise people to check their carts carefully

12 May 2025
Unprompted review
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Reply from ProLon UK

Dear Sarah, thanks for your report. We have replied to you privately, by explaining the details of the current promotion. It is linked to a specific discount code that automatically applies at checkout by setting the gift included as free. For any further needs, do not hesitate to reach out to us!

Customer Care Team

Rated 5 out of 5 stars

Customer service was fantastic

Customer service was fantastic . Thank you

22 April 2025
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Reply from ProLon UK

Dear Amy, thanks for your valuable feedback. Your satisfaction is our main priority!

Customer Care Team

Rated 1 out of 5 stars

Not happy with the customer service of…

Not happy with the customer service of this product… sent them 3 emails and no reply

10 April 2025
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Reply from ProLon UK

Dear Parveen, thanks for reporting. On our part, we are committed to offering you a high quality service and to finding the best solution for any need you may have. In truth, we inform you that we already replied to your request, but we are still waiting for your answer. We will forward the email again, and we suggest you check in your spam folder, too.

Customer Care Team

Rated 5 out of 5 stars

Fabulous products

10 April 2025
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Reply from ProLon UK

Dear Daniela, thanks for your valuable feedback. We are happy to hear that you are satisfied with our products, based on the Fasting Mimicking Technology!

Customer Care Team

Rated 5 out of 5 stars

Very helpful Customer Service team, speedy arrival of orders

I was pleasantly surprised how helpful the Customer Service team at ProLon UK is. The first kit I tried, I loved the nut bars, lemon & mint tea, crackers (which I broke up into the soups) & olives. I did not like the Butternut squash soups, very tasteless, and had to leave a couple. The rest were tolerable and filled me up. After just 3 days I had better energy and brain clarity, and by day 5 (having improvised a bit on days 4 & 5 as I couldn't stomach more of the powdered soups!) I felt great. I would do it again, and have ordered the Organic Next Gen kit which has liquid soups and look forwards to using this soon. Yes it is very expensive, & I wish it were less costly. Both orders arrived really fast, after 2-3 days, very impressed! For the kits with powdered soups I recommend avoiding the Butternut Squash soups....

27 March 2025
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Reply from ProLon UK

Dear client, thanks for sharing your experience with us and for your valuable feedback. We are happy to hear that you are overall satisfied with our products and the service we offer!

Customer Care Team

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