After three rounds of Prolon I have seen some significant changes in my cravings, metabolism, aches and pains, and mental clarity. They have lasted now another 2 months. It’s not a super easy diet, b... Vis mer
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Vi bekrefter ikke spesifikke uttalelser siden en forfatters mening er hens egen, men vi kan merke en anmeldelse som "bekreftet" når vi kan bekrefte at det har vært kontakt med virksomheten. Mer informasjon
For å beskytte plattformens integritet vil alle anmeldelser på plattformen—bekreftet eller ikke—bli undersøkt av vår automatiserte programvare (tilgjengelig hele døgnet). Denne teknologien er designet til å identifisere og fjerne innhold som bryter med retningslinjene våre, deriblant anmeldelser som ikke er basert på en faktisk erfaring. Vi vet at vi ikke kan fange opp alt. Hvis du tror at vi har gått glipp av noe, kan du rapportere det. Mer informasjon
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My goal was to order one five day reset yet when the time to check out came Prolon had secretively-WITHOUT MY PERMISSION-sigened me up for what would amount to a LIFETIME SUBSCRIPTION which took me te... Vis mer
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I had been seeing PROLON Fast while online and finally decided to try it. I began my first 5 Day Fast on June 3rd... I ate only what was in each days box and followed the program 100% - didn't... Vis mer
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Not only was the product amazing, but the support was as well. The food (although limited) was delicious and clean. I have been an intermittant faster for years, but could not seem to do any type of m... Vis mer
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Informasjon om virksomheten
Skrevet av virksomheten
Prolon is a science-driven nutrition brand focused on supporting healthy aging and longevity through evidence-based nutritional programs. Its flagship product, the Prolon 5-Day Diet, is a patented Fasting Mimicking Diet (FMD) developed from more than 25 years of research and 40+ published clinical studies conducted in collaboration with USC, Mayo Clinic, and Stanford, to help the body enter a fasting-like state while still providing carefully formulated nourishment that supports natural cellular renewal. The 5-Day Diet is a complete, pre-packaged nutrition program that includes portioned meals, snacks, and beverages for each day, making the experience simple to follow without calorie counting or meal planning. Clinical research published in peer-reviewed journals, including Nature Communications, found that participants completing three consecutive monthly cycles experienced an average 2.5-year reduction in biological age markers, while also supporting healthy metabolism, preserving lean muscle, and promoting fat loss. But the 5-Day Diet is only the beginning. The same decades of longevity research that gave rise to the FMD also informed Prolon's broader ecosystem of science-backed products designed for everyday life. This includes L-Biome, a precision probiotic formulated to support gut health and metabolic function; fast bars, developed to extend the fasting state between meals; nutrition shakes built around longevity-supporting protein ratios; and guided reset programs that combine multiple Prolon products into structured, longer-term health protocols. Every product in the Prolon line shares the same origin, rigorous peer-reviewed science, and the same goal: to give your body what it needs to function better for longer. Founded on the belief that nutrition should be grounded in rigorous scientific research rather than trends, Prolon develops all of its products using a research-first approach. Prolon is part of L-Nutra, a nutrition technology company dedicated to advancing evidence-based nutrition for healthy aging and longevity. Our mission is to make cutting-edge longevity science accessible to everyone because how you age is not simply something that happens to you. It is something you can actively shape.
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The Prolon customer service and support team are amazing!
The customer service and support are second to none! I just submitted a new order yesterday and in less than 24 hours, it has shipped. That's incredible! I absolutely love the Intermittent Fasting Bars variety pack. They really help me stay on track and they taste like I'm having a treat every morning with my coffee. Thank you, Prolon, for helping me reach my health and healthy weight goals!
24. juni 2026
Svar fra Prolonlife
Hi Cindy,
Thank you so much for your thoughtful review and for sharing your experience with us!
We're happy to hear that your order shipped so quickly and that you've been enjoying our Intermittent Fasting Bars Variety Pack. It's wonderful to know that they've become a satisfying part of your morning routine and are helping you stay on track with your health goals.
Our team works hard to provide exceptional service and support, so your kind words truly mean a lot to us. We're especially grateful to hear that ProLon has been a helpful part of your journey toward improved health and a healthy weight.
Thank you for being a valued member of the ProLon community. We look forward to continuing to support you on your longevity and wellness journey!
Prolon is very easy to deal with
Prolon is very easy to deal with. The website is very easy to navigate and questions are answered very quickly.
23. juni 2026
Svar fra Prolonlife
Hi Marie,
Thank you so much for your kind words and for taking the time to share your experience!
We're delighted to hear that you found our website easy to navigate and that our team was able to answer your questions quickly. Providing a seamless and supportive experience for our customers is always our goal.
We truly appreciate your feedback and thank you for being part of the Prolon community. Please don't hesitate to reach out if there's ever anything we can do to support you on your health and longevity journey.
My order that got lost was replaced…
My order that got lost was replaced right away. Love the bars!
23. juni 2026
Anmeldelse skrevet uten oppfordring
Svar fra Prolonlife
Hi There,
Thank you so much for taking the time to share your experience!
We're glad our team was able to quickly assist with the replacement and help get everything resolved.
We're also excited to hear you're enjoying the bars! Thank you for being part of the Prolon community, and please don't hesitate to reach out if there's ever anything we can do to support you on your health and longevity journey.
This was my first order
This was my first order, and I look forward to receiving your product. However, you are inundating me with emails. Please scale back on the emails except for the arrival date of my order. I am recovering from heart surgery. Thank you.
22. juni 2026
Svar fra Prolonlife
Hi Jim,
Thank you for your feedback, and we appreciate you bringing this to our attention.
First and foremost, we wish you a smooth recovery following your heart surgery. We understand that receiving a high volume of emails can feel overwhelming, especially while focusing on your health.
Our intention is always to provide education, guidance, and support throughout the customer journey, but we understand that communication preferences vary. Customers can manage their email preferences at any time by using the unsubscribe link included in our emails.
Our Customer Service Team has already reached out to you directly via email from customerservice@l-nutra.com to help address and clarify your concerns and work with you toward a resolution.
We appreciate your feedback and will share it with our team as we continually work to improve the customer experience. In the meantime, we hope your order arrives soon and that your recovery continues to go well.
Wishing you all the best on your healing journey.
I just couldn’t find the status of the…
I just couldn’t find the status of the order and date when expect arrival.
22. juni 2026
Svar fra Prolonlife
Hi Nadia,
Thank you for taking the time to clarify your experience, Nadia.
We sincerely apologize for the frustration caused by not being able to locate your order status or estimated delivery date. We understand how important it is to have visibility into your shipment and know when to expect its arrival.
Our Customer Service Team has reached out to you directly via email from [customerservice@l-nutra.com](mailto:customerservice@l-nutra.com) with additional information regarding your order and tracking details. We are committed to addressing your concerns and ensuring you have the support and information you need.
Your satisfaction is very important to us, and we appreciate the opportunity to assist. We look forward to connecting with you and helping make your experience as smooth and positive as possible.
Svar fra Prolonlife
Hi Lauren,
I’m really sorry to hear that your experience didn’t meet your expectations. That’s definitely not what we want for any of our customers, and I understand how disappointing that must feel.
We take feedback like this very seriously and would appreciate the opportunity to better understand what happened so we can support you and look into this further.
Our Customer Service Team has already reached out to you directly via email from customerservice@l-nutra.com to help address and clarify your concerns and work with you toward a resolution.
Your satisfaction is very important to us, and we are dedicated to making your experience as smooth and positive as possible.
We look forward to your response and the opportunity to support you further.
Thank you for taking the time to share your feedback. It truly helps us improve.
Time to Regroup
Each FMD cycle varies in difficulty, but it’s always a great chance to bring to focus a positive relationship between food and health.
18. juni 2026
Svar fra Prolonlife
Hi Marybeth,
Thank you so much for sharing your experience with us.
We're delighted to hear that the 5-Day Fasting Mimicking Diet has helped support a more mindful and positive relationship with food and health. We love how you described each cycle as an opportunity to regroup and refocus, as many of our customers find that the program provides not only physical benefits but also valuable insights into their eating habits and overall wellness.
We truly appreciate you being part of the Prolon community and wish you continued success on your health and longevity journey.
Following the 5 day program wasn’t…
Following the 5 day program wasn’t difficult at all. All the meals are prepared for you so there is no guesswork involved. The food was good, and my results were noticeable. Yes, I lost weight and inches, but the best part is I felt great by day 7! I already have cycles 2 and 3 ready and waiting for the succeeding rounds.
15. juni 2026
Svar fra Prolonlife
Hi Troyanda,
Thank you so much for sharing your experience. We truly appreciate you taking the time to write this.
We’re so glad to hear that the program felt easy to follow and that having everything pre-prepared helped remove any guesswork for you. It’s also wonderful to hear that you enjoyed the food and noticed meaningful results, not just in weight and inches, but also in how great you felt by Day 7.
It’s especially exciting to hear that you’re already planning your next cycles and feel ready to continue your journey. That consistency is where many people see the most lasting benefits over time.
We’re grateful to be part of your wellness routine and wish you continued success with your upcoming rounds.
Prolon is hard to work with and even…
Prolon is hard to work with and even though I changed my subscription date they still charged and sent an order i did not want for 3 more months. I am cancelling my subscription with them.
15. juni 2026
Svar fra Prolonlife
Hi Beverly,
Thank you for taking the time to share your feedback, and we’re truly sorry to hear about your experience with your subscription.
We understand how frustrating it can be when an order is processed unexpectedly, especially after making changes to your subscription settings. This is not the experience we want for our customers, and we sincerely apologize for the inconvenience this has caused.
We want to reassure you that our Customer Service Team has already reached out directly via email to review what happened with your account and is actively looking into this to work toward a resolution for you.
Your feedback is important to us, and we are continuously working to improve our systems and overall customer experience.
We truly appreciate you bringing this to our attention, and we hope to have the opportunity to restore your trust in the future.
I have done water fasts before and felt…
I have done water fasts before and felt really miserable. I have done 3-5 day fasts before and could not make go number 2 each time, I felt even more sick. I would get sick from it, headache and throw up. I also cannot eat chocolate for many many years because it gave me an immediate headache that I could not remedy. I have been on the 5 day Prolon fast and I was able to eat the chocolate and got NO symptoms at all. I was not hungry. The food was good and I realize my over eating is not because of hunger but stress and boredom. The team were very attentive when I had questions they responded within the hour. I am very grateful for this experience.
14. juni 2026
Svar fra Prolonlife
Hi Carrie,
Thank you so much for taking the time to share your experience with us. We truly appreciate your openness and are so glad you gave ProLon a try after your previous fasting experiences.
We’re especially happy to hear that this cycle felt very different for you in a positive way—that you were able to complete the 5-day program comfortably, enjoy the food, and even tolerate items that have previously caused you discomfort. It’s also meaningful to hear that you didn’t experience hunger and were able to gain more awareness around your eating patterns and the role stress and boredom may play.
We also really appreciate your kind feedback about our team and the support you received. Being able to respond promptly and be there when you had questions is something we truly value, and it’s wonderful to know that it made a difference in your experience.
We’re very grateful you chose to share this with us, and we’re honored to have been part of such a positive experience for you. Wishing you continued success as you carry these insights forward.
Love Prolon
Love Prolon. I have used this program for years now and always provides the best results. I feel amazing after and to have all the "thinking" taken out of it is great. I just follow the days and with out fail the results are there!
27. april 2026
Svar fra Prolonlife
Hi Julie,
Thank you so much for taking the time to share your experience, we truly appreciate your continued support over the years.
We’re so glad to hear that Prolon has consistently delivered great results for you and that the simplicity of the program, removing the need to think about planning and meals, has made it even easier to stay on track. It’s wonderful to know you feel amazing after each cycle and that you’ve been able to rely on the program to support your routine so consistently.
We’re grateful to be part of your wellness journey and look forward to continuing to support you in your future cycles.
I need to get the item quickly - I still haven't received it yet
Still haven't received it? It's been way too long. Looking forward to it
10. juni 2026
Svar fra Prolonlife
Hi Futao,
Thank you for taking the time to reach out and share your experience. We truly understand how frustrating this situation must feel, especially when you are still waiting for your order, and we sincerely apologize for the inconvenience this has caused.
We want to reassure you that our Customer Service Team has already reached out to you directly via email from customerservice@l-nutra.com to help review your order, clarify what happened, and support you in resolving this as quickly as possible.
We completely understand your concern around the delay, and your experience is important to us. We are actively here to assist you and ensure this is addressed properly.
Your satisfaction remains a priority for us, and we are committed to making this right and supporting you through the process.
We look forward to your response and the opportunity to further assist you.
Our team is here to support you every step of the way.
Way too many emails for me.
12. juni 2026
Svar fra Prolonlife
Hi Annette,
Thank you for your feedback, and we’re sorry to hear that you’re finding our emails overwhelming.
We really appreciate you bringing this to our attention. You can always unsubscribe from our email list by clicking “Unsubscribe” at the bottom of any email. If you are also receiving text messages, you can reply “STOP” to opt out.
Please keep in mind that if you unsubscribe, you may miss helpful updates, including daily tips and guidance during your fast, as well as important information related to group coaching or recorded sessions if you are participating in those programs.
Our goal is to keep you informed, educated, and supported throughout your journey, but we absolutely respect your preferences if you choose to opt out. If you would prefer, you can also contact our Customer Service team at customerservice@l-nutra.com.
Thank you again for your feedback. We truly appreciate it.
Great experience
Great experience! I expected to be hungry but it was very doable and eye opening!
Food was tasty enough.
25. november 2025
Svar fra Prolonlife
Hi Kam,
Thank you so much for sharing your experience!
We're delighted to hear that the program was more manageable than you expected and that it provided some eye-opening insights along the way. One of our goals is to make fasting more approachable while still supporting the body's natural rejuvenation processes, so it's wonderful to hear that the experience felt doable for you.
We're also glad you enjoyed the food! Thank you for being a part of the Prolon community and for taking the time to leave your feedback.
Wishing you continued health and wellness on your journey!
Too much Minnestroni soup!
9. juni 2026
Svar fra Prolonlife
Hi Ron,
Thank you for taking the time to share your experience. We truly value your feedback and appreciate the opportunity to learn more about what happened.
We sincerely apologize for the inconvenience and frustration this situation has caused. This is certainly not the experience we want our customers to have.
Our Customer Service Team has already reached out to you directly via email from customerservice@l-nutra.com to further review your concerns, provide additional clarification, and work with you toward a resolution. We have also extended a special accommodation as a gesture of goodwill and appreciation for your support.
Your satisfaction is very important to us, and we remain committed to making your experience as positive as possible.
We look forward to hearing back from you and appreciate the opportunity to continue supporting you on your wellness journey.
Very responsive to questions and any…
Very responsive to questions and any changes that need to be made with subscriptions. L Protein drink is the best protein drink I have tried.
9. juni 2026
Svar fra Prolonlife
Hi Barbara,
Thank you so much for taking the time to share your experience. We’re truly happy to hear that you’ve found our team responsive and supportive when it comes to your questions and subscription needs.
We’re especially glad to hear you’re enjoying the L Protein drink, it means a lot to know it stands out as the best protein drink you’ve tried.
We really appreciate your support and are always here if you need anything moving forward.
Svar fra Prolonlife
Hi Sheryl,
Thank you for your kind review. We’re so glad to hear that you found the process easy and that our team was able to assist you quickly.
We truly appreciate you taking the time to share your experience and are always here if you need any further support in the future.
Svar fra Prolonlife
Hi Toby,
Thank you for your wonderful feedback. We’re thrilled to hear you had a great experience with our customer service team.
We also appreciate your note about the phone support, it’s always helpful for us to understand what channels our customers value most.
We’re grateful for your support and are always here whenever you need us.
Too difficult to find where to pause or…
Too difficult to find where to pause or cancel. I'm getting an order I didn't want.
8. juni 2026
Svar fra Prolonlife
Hi Zara,
Thank you for taking the time to share your experience. We truly value your feedback and are sorry to hear about the frustration you encountered with managing your subscription.
We are also sorry to hear that you did not find the process as intuitive as we aim for it to be. Within your personal customer portal, subscription management options such as pause, cancel, or modify are available by scrolling down in your portal. However, we understand that sometimes navigating these options can feel less straightforward than intended, and we appreciate you bringing this to our attention.
Our goal is always to make the customer experience as simple and seamless as possible, and we appreciate you highlighting where we can improve. We would welcome the opportunity to better understand the challenges you experienced so that we can continue refining our platform and support.
Our Customer Service Team has already reached out to you directly via email from customerservice@l-nutra.com to further review your concerns and provide assistance. We are committed to working with you to ensure your account preferences are set up exactly as intended.
Your satisfaction is very important to us, and we appreciate the opportunity to address your feedback. We look forward to hearing from you and continuing to support you however we can.
Great Prices and great value
Great Prices and great value. Customer service is very responsive.
8. juni 2026
Svar fra Prolonlife
Hi Janet,
Thank you so much for your kind review. We’re really glad to hear you’re finding both value and great pricing with Prolon, and that our customer service team has been responsive and helpful.
We truly appreciate your support and are always here if you ever need anything or have any questions.
Dette er Trustpilot
Alle kan gi tilbakemelding på Trustpilot. De som skriver en anmeldelse, har rett til når som helst å redigere og slette den. Enhver publiserte anmeldelse er synlig så lenge en tilknyttet konto er aktiv.
Vi har et eget team og smart teknologi som beskytter plattformen vår. Finn ut hvordan vi motvirker falske anmeldelser.
Lær om anmeldelsesprosessen på Trustpilot.
Verifisering kan bidra til å sørge for at anmeldelsene du leser på Trustpilot, er skrevet av faktiske personer.
Det kan gi en skjev TrustScore å tilby belønning for eller be bare enkelte kunder om å skrive en anmeldelse, og dette går imot retningslinjene våre.