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ProLon 5-Day Fasting Mimicking Diet®
ProLon is a 5-day, plant-based meal program engineered to nourish your body while keeping it in a fasting-like state. Developed at the University of Southern California’s Longevity Institute, it lets you experience the cellular and metabolic benefits associated with fasting — with food in hand.
Fast for five days — without giving up food.
Why ProLon 5-day fasting
Water fasting is hard and can be risky; most people can’t sustain it. ProLon’s patented “fast with food” approach provides specific calories, ratios and micronutrients designed to stay below the body’s nutrient-sensing pathways — so your cells behave as if fasting while you still eat soups, bars and snacks. It is the version of fasting that has actually been studied in human trials.
How It Works
Each of the five days is a pre-portioned box of plant-based soups, nut bars, olives, crackers, an L-Drink and supplements, totalling roughly 800–1,100 kcal/day. By limiting protein and simple carbohydrates, the program keeps nutrient-sensing pathways quiet, prompting the body toward fat-burning and cellular-maintenance processes such as autophagy.
Five labelled daily boxes — no planning or calorie counting
Plant-based, low in protein and sugar, with healthy fats
Designed for periodic use (e.g. monthly for 3 months, then quarterly)
Why it works
A randomised human trial (3 monthly cycles) reported improvements in body composition and cardiometabolic risk markers.
A pilot study linked periodic FMD to multi-system regeneration and healthspan markers.
Later research reports blood/hepatic changes consistent with reduced biological-age markers .
Developed and patented at USC’s Longevity Institute; 30+ clinical trials across the FMD research programme.
What you can expect
ProLon is a periodic reset rather than a daily supplement. In clinical research, three monthly cycles were associated with:
Reductions in body weight and abdominal/visceral fat, with lean mass relatively preserved
Improvements in metabolic markers (e.g. fasting glucose, blood pressure, CRP), with larger effects in higher-risk individuals
Many users report renewed energy and focus after refeeding
Individual results vary.
What is included
Some of the benefits, quality information and guarantees when you buy this product.
Our practitioners use ProLon as a periodic reset within longevity and weight-management plans, and can supervise your cycles. Book a consultation to check it’s right for you before you start.
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Plant-based, non-GMO; produced to cGMP standards
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Everything pre-packaged and labelled by day — water and herbal tea are the only additions
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30-day satisfaction guarantee · Secure checkout · Ships within 2–3 working days
Questions
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A common protocol is one 5-day cycle per month for 2–3 months, then once a quarter to maintain.
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Not suitable if you are pregnant or breastfeeding, underweight, under 18, or have certain conditions (e.g. diabetes on medication) without medical supervision. Speak to your doctor first.
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You eat real food across the day; most people report manageable, not severe, hunger.
ProLon® 5-Day Fasting
Buy ProLon® 5-Day Fasting Mimicking Diet – Plant-Based Fast-With-Food Kit
The ProLon® Food Kit contains a variety of conveniently portioned bars, crackers, olives, soups, soft drinks and supplements. With the products included in the kit, a complete 5-day cycle of Fasting Mimicking Diet® can be carried out according to the following nutritional programme:
