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
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
See what reviewers are saying
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
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
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
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
19 Leyden Street, E1 7LE, London, United Kingdom
- info@prolon.co.uk
- prolon.co.uk
4.1
Great
113 reviews
Replied to 100% of negative reviews
Typically replies within 1 week
How this company uses Trustpilot
See how their reviews and ratings are sourced, scored, and moderated.
People also looked at
Reply from ProLon UK
Dear Adrian, thanks for your valuable feedback. Your satisfaction is our main goal!
Customer Care Team
Great experience from beginning to end
Great experience from beginning to end. My order was dealt with REALLY efficiently, my box of goodies for the week came through in great time. I also enjoyed the food / content that ProLon had diligently and smartly put together - I got through each of the 5 days genuinely looking to see "what next" in my box and not feeling hungry. I loved the discipline of the experience and would definitely repeat. I even lost weight and in such a short amount of time and felt great with it!!
21 May 2024
Unprompted review
Reply from ProLon UK
Dear Claire, thanks for this valuable feedback. We are glad to hear that you're satisfied with your ProLon journey!
Customer Care Team
Easy to follow and convenient diet
Easy to follow and convenient diet. Did for the first time this month, did not feel too hungry, worst part was caffeine withdrawal in first few days. Next time I will cut down / out caffeine earlier.
10 May 2024
Reply from ProLon UK
Dear Anthony, thanks for sharing your experience with us. We are happy that overall you're satisfied with your ProLon journey! We remain available at info@prolon.co.uk, if you need support in preparing for your next cycle and during the 5 days.
Customer Care Team
Excellent product
Excellent product
All the products are great you don’t feel like you are dieting
1 May 2024
Reply from ProLon UK
Dear Howson, thanks for your valuable feedback. Your satisfaction is our main goal!
Customer Care Team
Mixed feelings
I like that it is science based and relatively easy to prepare the soups. A couple of them were good (tomato and minestrone) but the others were not. It was a bit disappointing only to lose 1KG but I know that there are other health benefits to the program. I was really hungry on Day 5 and expecting a better result. I just have not had the same experience as others but everyone is different.
8 May 2024
Reply from ProLon UK
Dear Jane, thanks for sharing your experience with us! As you already mentioned, the body response to the ProLon 5-Day Fasting Mimicking Diet is really individual. Although weight loss and circumference reduction are highly appreciated effects, the protocol aims to promote those cellular cleansing and renewal mechanisms typically associated with prolonged fasting. Then, we are committed to improving your experience with our products; in particular, we are developing new soups with a fresher formulation, which is closer to your tastes. For any further need, don't hesitate to contact us at info@prolon.co.uk.
Customer Care Team
More energy than when you are eating normally
Somehow, someway you aren’t hungry doing prolon and I felt pretty good all week.
9 May 2024
Reply from ProLon UK
Dear Vic, thanks for sharing your experience with us. We are happy that you're satisfied with our products, based on the Fasting Mimicking Technology and aimed to mitigate the burden of a water-only fasting!
Customer Care Team
Easy and effective
I have been using prolon for a number of years and it never fails to deliver… it’s super easy to do, it resets me for the month, and it leaves me feeling lighter and brighter. My only negatives are that I preferred the old choco crisp and I miss the free water bottle! But overall this is a great brand and one I will continue to integrate into my lifestyle. It’s amazing how much better you feel after only 5 days.
1 May 2024
Reply from ProLon UK
Dear Rebecca, thanks for sharing your experience with us. We are happy to hear that you are satisfied with your ProLon journey! The bottle is no longer included in the 5-Day kit, as the last year we launched the new 100% sustainable box, with the possibility of adding it to the order for those who have never used the Program or who wish to receive a new one. Our goal is to limit plastic consumption and help reduce the environmental impact of all our products!
Customer Care Team
Reply from ProLon UK
Dear Dawn, thanks for your valuable feedback. We are glad to hear that you're satisfied with our products and the service we offer!
Customer Care Team
I have read Dr Longs book with such an…
I have read Dr Longs book with such an interest he is an amazing person.
The diet is well thought out and is so worth doing. I will definitely do this again.
I am a Registered sick children and adult nurse. I am 64. But blessed to be told I don’t look my age why? Due to care and attention to myself. Thank you♥️
6 May 2024
Reply from ProLon UK
Dear Debbie, thanks for your valuable feedback. Your satisfaction is our main priority!
Customer Care Team
13 Rounds Completed
I have completed 13 rounds of Prolon over the last 3 years. I don’t find it particularly difficult although day 3 can be a little challenging. It definitely makes me feel lighter and healthier. I would recommend it to everyone. I want to try the new flavours as I am getting a little tired of the other two. I was a bit disappointed that they have stopped providing a free water bottle.
15 April 2024
Reply from ProLon UK
Dear Gillian, thanks for sharing your experience with us! A valuable feedback for those people who want to start a journey with ProLon. Regarding the water bottle, it is no longer included in the ProLon 5-Day kit, as the last year we launched the new 100% sustainable box, with the possibility of adding it to the order for those who have never used the Program or who wish to receive a new one. Our goal is to limit plastic consumption and help reduce the environmental impact of all our products!
Customer Care Team
gave me the reset and impulse that i…
gave me the reset and impulse that i needed to start a change in my diet. i chose variety 3 and it was quite tasty i thought. loved the almond bars in the morning, and the crackers are v nice! will def. do it again in a month time.
22 April 2024
Reply from ProLon UK
Dear Caroline, thanks for sharing your experience with us. Your satisfaction is our main goal!
Customer Care Team
Reply from ProLon UK
Dear Rosemary, thanks for your feedback! We are aware that our products, especially the ProLon 5-Day kit, may appear expensive, given its composition. However, we would like to remind that they are the result of over 20 years of scientific research, which has allowed us to obtain a final product with high quality standards and compliant with the scientific evidence on which the Fasting Mimicking Technology is based. Then, part of the proceeds goes to finance ongoing clinical trials, necessary to ensure that more and more people can use the protocol. Then, we are working to be increasingly sustainable, improving and reducing packaging, and shortening the supply chain. The reduction of environmental impact, however, is not always associated with a reduction in prices, as, often, new packaging technologies and local production represent an increase in cost. In any case, we are constantly committed to making the purchase of our products more accessible, periodically launching promotional offers that allow you to purchase them at a lower cost than the basic price. We also remain available to evaluate possible solutions together.
Customer Care Team
Sent me rotting white and brown olives
I’m hugely disappointed in my box. On almost every day I had items missing from it.
Day 1 was missing the algal oil
Day 2 was missing the second set of olives
Day 3 was missing the crackers
And now on day 4 I’m starving and I just opened my (dirty) second set of olives package to the most disgusting outdated olives ever that are covered in congealed white and brown slime.
18 January 2024
Unprompted review
Easy and effective detox
Easy and effective detox. A great kick start for healthier eating and removal of processed foods. I have used it several times and results have been fantastic.
6 August 2023
Unprompted review
I asked for a refund after opening the…
I asked for a refund after opening the package. They declined as I had broken the seal. Very bad customer service.
I would avoid making a purchase from them.
14 June 2022
Unprompted review
The Trustpilot Experience
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.
Learn more about other kinds of reviews.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.