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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Great resources
Great resources! Plenty of coaching opportunities. Wonderful FAQ section. The Facebook group helped me prepare as well. Many questions and comments from people currently doing the program. Very helpful to get me prepared to do this program.
1. juni 2026
Svar fra Prolonlife
Hi Jennifer,
Thank you for your wonderful review!
We're so pleased to hear that you found the resources, coaching opportunities, FAQ section, and Facebook community helpful as you prepared for your Prolon journey. We work hard to provide our customers with the education, tools, and support they need to feel confident and informed throughout the program.
It's especially rewarding to hear that connecting with others currently completing the program helped answer questions and made you feel more prepared.
Thank you for being part of our community, and we wish you continued success on your health and longevity journey!
Hard to cancel and a very deceptive
Hard to cancel and a very deceptive, subscription plan. You will likely be signed up for a subscription, make sure to cancel as you will not likely do package again. The fast is not worth the money and could be done on your own. The meals are terrible.
8. juni 2026
Svar fra Prolonlife
Hi Peter,
Thank you for taking the time to share your experience. We truly value your feedback and are committed to ensuring you have the best possible experience with Prolon.
We sincerely apologize for the inconvenience and frustration you experienced regarding the subscription process, as well as your disappointment with the meals and overall value of the program.
While taste preferences can vary from person to person, Prolon was developed through more than 20 years of scientific research to provide specific nutrition designed to support the fasting-mimicking process while helping to address some of the challenges associated with traditional fasting.
Our Customer Service Team has already reached out to you directly via email at customerservice@l-nutra.com to address your concerns, clarify them, 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 genuinely welcome your feedback and would appreciate the opportunity to learn more about how to support you best.
We look forward to your response and the opportunity to support you further.
Svar fra Prolonlife
Hi Alexandra,
Thank you for your kind words!
We're delighted to hear that you found our customer service team helpful, responsive, clear, and personable. Providing exceptional support is very important to us, and it's wonderful to know that your experience reflected that commitment.
We truly appreciate your feedback and thank you for being part of the Prolon community!
The soups are tasty
The soups are tasty, particularly the Tomato soup. The Prolon system makes the 5 day fast simple and easy. I lost 5 pounds and am continuing to see benefits including increased energy and fewer sugar cravings.
30. april 2026
Svar fra Prolonlife
Hi Alfretta,
Thank you for sharing your experience!
We're delighted to hear that you enjoyed the soups, especially the Tomato Soup, and that the Prolon program helped make your 5-day fast simple and manageable.
It's wonderful to hear that you've experienced benefits beyond the fast itself, including increased energy and fewer sugar cravings. We also appreciate you sharing your results and are excited to hear that you're continuing to notice positive changes.
Thank you for being part of the Prolon community, and we wish you continued success on your health and longevity journey!
Very good experience with your company.
Very good experience with your company! Easy to order. Impressed that I could talk to an actual person. Made things trustworthy. I received my purchase in a timely manner and had frequent updates, concerning delivery times. And then confirmation when it was delivered. Thank you for a smooth consumer transaction! I will be ordering more from your exceptional company!! Very impressive in this age of an unreliable product and customer service. Sincerely, Kathleen Lynott
1. juni 2026
Svar fra Prolonlife
Hi Kathleen,
Thank you so much for your thoughtful and kind review!
We are truly delighted to hear that you had such a positive experience with our company. Providing a seamless ordering process, timely delivery, clear communication, and access to knowledgeable team members is something we work hard to achieve, so it means a great deal to know that these efforts made a difference for you.
We especially appreciate your comments about being able to speak with a real person. Building trust and providing personalized support are core values for us, and we're thrilled that this helped make your experience a positive one.
Thank you again for your support and for placing your trust in us. We are honored to be part of your health and longevity journey and look forward to serving you again in the future.
Wishing you continued health and wellness!
So Far So Good
I had a discovery call with the dietition and that went very well. She was very knowledgeable, kind and helped solve things that would have been a block for me personally.
I later had a couple more questions, so I call the number she gave me, and I left a message. I received an email very shortly after, with a direct line to customer service. I call that number, spoke with the gentleman, he answered all my questions in detail. He also was knowledgeable. He was also kind and patient. Neither person put pressure on me, and were professionally friendly. I think customer service person's name is Manuel.
So I'm off to a great start.
4. juni 2026
Anmeldelse skrevet uten oppfordring
Svar fra Prolonlife
Hi There,
Thank you so much for taking the time to share your experience!
We are excited to hear that your discovery call went so well and that both our nutrition and customer support teams were able to provide the guidance, education, and support you needed. It means a great deal to us to know that you felt heard, supported, and never pressured throughout the process.
We will be sure to share your kind words with Manuel and the rest of the team. Feedback like yours is incredibly meaningful and reinforces our commitment to providing knowledgeable, compassionate, and personalized support to every member of our community.
We're thrilled to hear that you're off to such a great start, and we look forward to supporting you throughout your Prolon journey.
Thank you for being part of our community!
Great professional support
Having Nicole provide her Dietitian expertise and tips for success made the experience a great one. Now on my second Prolon FMD, and it’s going great.
3. juni 2026
Svar fra Prolonlife
Hi Peter,
Thank you so much for sharing your experience! We are delighted to hear that Nicole's expertise, guidance, and practical tips helped make your Prolon journey a positive one.
It's especially exciting to hear that you are now on your second Prolon Fasting Mimicking Diet cycle and that it is going well. Consistency and support can make a meaningful difference, and we're honored to be part of your health and longevity journey.
Thank you for placing your trust in us, and we wish you continued success with your current fast and beyond!
Very helpful and professional…
Very helpful and professional experience with representative on the phone! Thank you!
3. juni 2026
Svar fra Prolonlife
Hi Victoria,
Thank you so much for your kind words! We are delighted to hear that you had a helpful and professional experience with our team.
Providing personalized support and guidance is very important to us, and we're grateful that you took the time to share your feedback. We will be sure to pass along your appreciation to the representative who assisted you.
Thank you for being part of the Prolon community, and please don't hesitate to reach out if we can support you in any way along your health and longevity journey!
Svar fra Prolonlife
Hi Yvonne,
Thank you so much for your kind words and support!
We truly appreciate you taking the time to share your experience. Providing excellent customer service and ensuring our customers feel supported throughout their journey is something we care deeply about.
Thank you for being part of the Prolon community. We wish you continued success on your health and longevity journey!
My experience
My experience was great.it was an honest good time.thanks for the opportunity and God Bless Be Kind and Smile it's Free!!:)
31. januar 2026
Svar fra Prolonlife
Hi Kristy,
Thank you so much for your kind words and for taking the time to share your experience with us!
We're delighted to hear that you had a positive experience and enjoyed your journey with Prolon. Your encouragement means a great deal to our team, and we're grateful for the opportunity to be part of your health and wellness journey.
Thank you again for your support, and we wish you continued success, health, and happiness.
Order page easy to follow and kits and…
Order page easy to follow and kits and products well explained.
2. juni 2026
Svar fra Prolonlife
Hi Daniel,
Thank you for sharing your feedback!
We're delighted to hear that you found the ordering process easy to follow and that the products and kits were clearly explained. We work hard to make the experience as seamless and informative as possible, so it's wonderful to know that effort was reflected in your experience.
Thank you for choosing Prolon, and we look forward to supporting you on your wellness journey.
Great products that work.
Great products that work with great communication and ability to ask questions and get rapid respnses.
2. juni 2026
Svar fra Prolonlife
Hi Carol,
We're excited to hear that you've had a positive experience with both our products and our support team. Providing evidence-based nutrition programs along with timely guidance and answers is an important part of what we do, and we're glad you've found value in that support.
Thank you for being part of the Prolon community, and please know we're always here if you have any questions along the way.
I love the protein shakes and the bars
I love the protein shakes and the bars. They both are so filling between meals.
1. juni 2026
Svar fra Prolonlife
Hi Virginia,
Thank you for taking the time to share your experience!
We're so happy to hear that you're enjoying the L-Protein Shakes and Bars. One of our goals when developing these products was to create convenient, satisfying options that help support healthy nutrition habits while keeping you feeling full between meals.
Thank you for your support, and we look forward to continuing to be part of your health and wellness journey.
Great product!
I enjoyed my first 5-day fast and looking forward to doing it every few months. Thank you!
1. juni 2026
Svar fra Prolonlife
Hi Brett,
Thank you so much for sharing your experience with us!
We're delighted to hear that you enjoyed your first 5-day fast and found the experience positive. It’s always wonderful to hear from customers who feel empowered and encouraged to continue incorporating Prolon into their wellness journey.
Many of the clinical studies on the fasting-mimicking diet were conducted using monthly cycles for the first three months, followed by less frequent maintenance cycles depending on individual goals. We're excited to hear that you're considering repeating the program every few months and making it part of your long-term health routine.
Thank you again for your kind words and for being part of the Prolon community. We look forward to supporting you on your future fasting journeys.
I haven’t received anything yet but…
I haven’t received anything yet but email after email — you want me to recommend something I haven’t even received? So far this business has a 10/10 for being annoying and over-marketing. Unless that stops I’ll cancel my subscription.
1. juni 2026
Svar fra Prolonlife
Hi Susan,
Thank you for taking the time to share your feedback. We sincerely apologize for the frustration this experience caused.
To provide some context, Prolon sends an initial review request shortly after an order is placed to gather feedback on the ordering experience, website, shipping process, and customer support. A separate follow-up review is sent after customers have had the opportunity to receive and try the product, so they can share feedback on the program itself.
Our goal is to keep customers informed and supported throughout their journey. However, we completely understand that communication preferences vary. Customers can unsubscribe from marketing emails at any time using the link at the bottom of any email, though doing so may also prevent them from receiving fasting tips, educational resources, coaching updates, and other program-related support.
Our Customer Service Team has reached out directly to learn more about your experience and help address your concerns. We truly value your feedback, as it helps us continue improving the experience for all of our customers.
Svar fra Prolonlife
Hi Kristen,
Thank you so much for your kind words!
We truly appreciate you taking the time to share your experience. It means a great deal to our team to hear that you found our customer service helpful and accommodating.
Providing thoughtful support and helping our customers have the best possible experience is something we care deeply about, so your feedback is incredibly encouraging.
Thank you again for your support, and please know that we're always here if you need anything in the future.
Good product backed by research
Good product backed by research, excellent daily online support coaching sessions. Soups are not very tasty and can be grainy, some of the flavors not good. Also, the price is high if you plan to follow their suggestion of every 25 days. BUT, it is a great reset and you will feel better if you can get through a few 5 day. The non powder are organic and taste better but are pricey
28. mars 2026
Svar fra Prolonlife
Hi Phillip,
Thank you for taking the time to share such thoughtful feedback about your experience with Prolon.
We're delighted to hear that you found value in the research behind the program, the daily online coaching support, and the overall benefits you experienced. It's especially encouraging to hear that you felt it served as a meaningful reset and left you feeling better afterward.
We also appreciate your honest feedback regarding the taste and texture of some of the soups. We understand that flavor preferences vary from person to person, and feedback like yours helps us continue improving our products and overall customer experience.
We also understand that the program can represent a significant investment in your health. Please know that we are committed to enhancing our offerings and making them as cost-effective as possible. Prolon is built on more than 20 years of scientific research, and we are continually exploring ways to make the program accessible to as many people as possible while maintaining the quality and integrity of the formulation.
Thank you again for your balanced and thoughtful review. We truly appreciate your support and look forward to being part of your health journey in the future.
Ask me once I have the product
Ask me once I have the product. This survey was sent less than an hour after I ordered. Contact me once received and consumed. Your web site is more confusing
29. mai 2026
Svar fra Prolonlife
Hi Albert,
Thank you for your message, and we appreciate you sharing your feedback with us.
The reason you receive an initial review request shortly after placing your order is that it is intended to capture your early experience with the ordering and checkout process itself. This helps us better understand and improve the website experience and service at the point of purchase. Additionally, it is also a way to let you know that our customer service team is here for you and ready to support you if you need anything.
Once you have received and had the opportunity to use the product, you will receive a separate follow-up survey where you can share your experience with the program itself.
We understand your concern, and we appreciate you taking the time to let us know how this feels from your perspective. If you have any additional questions, we’re here to help.
Svar fra Prolonlife
Hi Deanna,
Thank you so much for your kind words!
We’re excited to hear your order arrived so quickly and that you had such a positive experience. We truly appreciate your support and hope you enjoy your Prolon journey!
Please don't hesitate to reach out if you have any questions. We are here for you.
Trust the quality based on the sponsors…
Trust the quality based on the sponsors of this product. My biggest concern recently has been potassium but actually only a moderate source of potassium for those on a low potassium diet due to Chronic Kidney Disease.
28. mai 2026
Svar fra Prolonlife
Hi Cynthia,
Thank you for sharing your thoughts.
We’re glad to hear you feel confident in the quality of the product.
We also really appreciate you highlighting your perspective regarding potassium and CKD-related dietary considerations.
For individuals with specific medical conditions such as chronic kidney disease or those following medically prescribed dietary restrictions, we always recommend consulting with a healthcare provider to ensure any nutritional program is appropriate for their personal needs.
We are grateful for your trust. Thank you again for taking the time to share your feedback.
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.