Prolon Fast Mimicking Diet – Box Contents, Calories & Ingredients Revealed! What’s Really Inside?

September 18, 2025

Curious about the Prolon Fast Mimicking Diet and what really comes in the box? You’re not alone. This unique five-day program promises the benefits of fasting without giving up food entirely and has gained plenty of attention from health enthusiasts.

Before you dive in it’s smart to know exactly what you’ll be eating how many calories you’ll get each day and what ingredients you’ll find in each meal. Understanding the box contents helps you decide if Prolon fits your lifestyle and wellness goals. Let’s take a closer look at what you can expect inside.

What Is the Prolon Fast Mimicking Diet?

The Prolon Fast Mimicking Diet provides you with a structured five-day meal program designed to simulate fasting’s metabolic effects while giving you food. Scientists at the University of Southern California developed Prolon to support cellular rejuvenation and metabolic health, according to published clinical studies (Cell Metabolism, 2017; Science Translational Medicine, 2015). Each daily meal plan combines plant-based soups, nut bars, olive snacks, herbal teas, and supplements to keep calories low and nutrients balanced. The strategy targets ketosis, autophagy activation, and inflammation reduction—key benefits associated with prolonged fasting. Box contents arrive pre-portioned and labeled for each day to simplify the process and support consistency.

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Understanding the Prolon Box Contents

Explore the Prolon Fast Mimicking Diet box to see exactly what you'll eat each day, with standardized meals and snacks engineered for cellular health. Each Prolon package delivers tightly controlled ingredients and calories, arranged in convenient daily servings.

Daily Meal Breakdown

Your Prolon box holds five uniquely labeled daily meal kits, each containing pre-portioned foods designed for sequential consumption. Day 1 provides approx. 1,100 kcal while Days 2–5 contain about 750–800 kcal per day per Prolon FMD clinical trial standards. Each meal kit includes:

Plant-Based Soups: Varieties such as tomato, vegetable, mushroom, or minestrone soups supply micronutrients and fiber from beans, lentils, and select vegetables.
Nut-Based Bars: Blend of nuts like almonds, macadamias, and seeds formulated to balance energy and healthy fats.
Meal Supplements: Algae oil softgels provide EPA and DHA, supporting nutrient intake during caloric restriction.

Daily contents remain consistent in calorie density and nutritional targets, supporting fasting-mimicking benefits throughout the program.

Snacks and Drinks Included

Each kit contains additional snacks and drinks supporting compliance and hydration:

Olive and Kale Snacks: Green or black olives and kale crackers deliver healthy fats, antioxidants, and satiety.
Herbal Teas: Options like hibiscus, spearmint, and lemon teas—caffeine-free, designed for flavor and gentle hydration.
Glycerol Drink: Labeled for use on specified days, designed to help maintain electrolyte balance during fasting.

Drinks and snacks integrate seamlessly into each day’s caloric allotment, helping maintain fullness and support program adherence.

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Prolon Fast Mimicking Diet: Calories Overview

Prolon Fast Mimicking Diet provides precisely measured calories each day to replicate fasting without total food abstinence. Daily, your calorie intake shifts to promote metabolic adaptation while supporting cellular rejuvenation.

Caloric Distribution by Day

Each Prolon Fast Mimicking Diet box delivers unique caloric levels for all five days.

Day 1: Intake reaches about 1,100 kcal, initiating the calorie restriction while providing a broader macronutrient range.
Days 2–5: Intake drops to approximately 750–800 kcal daily, sustaining the fasting-mimicking state and triggering key cellular pathways.
Meal allocation: Breakfast, lunch, snacks, dinner, and beverages split the calories, with soups, nut-based bars, and olives as primary food sources.

The table shows the structured calorie breakdown:

Day	Estimated Calories
Day 1	1,100 kcal
Day 2	800 kcal
Day 3	800 kcal
Day 4	750 kcal
Day 5	750 kcal

Comparison to Traditional Fasting

Prolon’s calorie range is significantly higher than complete water fasting, which provides zero calories, and lower than standard diets, which average 1,600–2,000 kcal daily for adults (CDC, 2022). This approach allows for food intake, consistent nutrient delivery, and easier adherence, while still activating key fasting pathways such as ketosis and autophagy.

Fasting-mimicking protocols support metabolic flexibility and energy balance, supported by clinical research from the University of Southern California (Cell Metabolism, 2015). This structured method helps protect lean body mass and can minimize the typical discomforts associated with total food deprivation.

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Key Ingredients in the Prolon Diet

You’ll find that the Prolon Fast Mimicking Diet centers on plant-derived ingredients, healthy fats, and nutritionally dense components engineered to optimize fasting metabolism and cellular renewal.

Main Meal Components

Plant-Based Soups: Tomato, quinoa minestrone, and vegetable soups form the foundation, each containing vegetables like carrots, celery, and kale with legumes for protein and slow-release carbohydrates.
Nut-Based Bars: Almond, macadamia, and honey combine to deliver healthy fats, moderate protein, and minimal sugars for sustained energy.
Olive Snacks: Green and black olives, seasoned with sea salt, serve as natural sources of monounsaturated fats and antioxidants.
Kale Crackers: Kale paired with sunflower seeds and flaxseeds adds fiber, micronutrients, and crunch.
L-Drink Glycerol Beverage: A daily glycerol drink supports hydration and helps maintain electrolyte balance.
Herbal Teas: Chamomile, spearmint, and hibiscus teas contribute to daily fluid intake without extra calories.

Nutrient Profile and Additives

Macronutrients: Each main meal delivers controlled portions of carbohydrates (root vegetables and pulses), plant-based proteins (legumes and nuts), and unsaturated fats (olive oil and almond).
Micronutrients: Vitamins A, C, D, E, B6, B12, folate, magnesium, potassium, and zinc are standardized through meals and supplements, meeting daily values established in clinical trials (Prolon, 2024).
Preservatives: Natural acids like citric acid and ascorbic acid extend shelf life, while avoiding artificial preservatives.
Flavor Enhancers: Himalayan salt and select herbs like oregano, basil, and parsley season bar and soup options, ensuring palatability within calorie limits.
Fiber: Chicory root and acacia fiber boost prebiotic content to support gut health.

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Health Benefits and Considerations

Prolon Fast Mimicking Diet offers defined health benefits through calorie restriction and specific macronutrient ratios. Research in Nutrients (2019) links the program to improved metabolic flexibility, which aids in better switching between fuel sources like fats and carbohydrates. Clinical studies, such as those cited in Science Translational Medicine (2017), report reductions in biomarkers associated with aging, including IGF-1 and C-reactive protein, after completing the five-day cycle.

You may experience enhanced autophagy, a cellular cleanup process supported by the Prolon diet’s low protein and moderate carbohydrate formula, if your health allows such dietary modifications. Increased ketone levels during Days 2–5 support fat oxidation and may reduce hunger spikes, based on data from JAMA (2015). Improved insulin sensitivity and lower fasting glucose are consistently reported in short-term trials.

Some individuals notice temporary side effects—such as headache, fatigue, or mild gastrointestinal discomfort—if sensitivity to low calorie intake or digestive changes exists. Hydration support built into the meal plan minimizes dehydration risk compared to water fasting, making adherence smoother across the five-day span. Consult a licensed healthcare provider before starting Prolon if you manage a medical condition, have a history of eating disorders, are pregnant, or take prescription medications. International guidelines, like those from EFSA, advise against fasting-mimicking diets for individuals under 18 or adults with BMI below 18.5.

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Key Takeaways

The Prolon Fast Mimicking Diet is a five-day meal program designed to mimic the metabolic effects of fasting while still allowing food intake, supporting cellular rejuvenation and metabolic health.
Each Prolon box contains pre-portioned, plant-based meals and snacks, including soups, nut bars, olives, kale crackers, herbal teas, and supplements, with calories ranging from 1,100 kcal on Day 1 to 750–800 kcal on Days 2–5.
The diet emphasizes nutrient-dense, plant-derived ingredients, healthy fats, and includes a daily glycerol drink to support hydration and electrolyte balance throughout the program.
Clinical studies suggest Prolon can promote autophagy, improve metabolic flexibility, support fat loss, and reduce biomarkers linked to aging, but some users may experience mild side effects like fatigue or headaches.
Individuals with certain medical conditions, pregnant or breastfeeding women, and those under 18 or with a low BMI should consult a healthcare provider before attempting the Prolon Fast Mimicking Diet.

Conclusion

Choosing the Prolon Fast Mimicking Diet gives you a structured way to experience the science-backed benefits of fasting without giving up food entirely. By understanding what's in each box and how the program works, you can make informed decisions that fit your wellness goals.

If you're considering a new approach to metabolic health and longevity, the Prolon diet offers a convenient and thoughtfully designed option. Always listen to your body and consult a healthcare professional to ensure it's the right fit for your needs.

Frequently Asked Questions

What is the Prolon Fast Mimicking Diet?

The Prolon Fast Mimicking Diet is a five-day meal program designed to mimic the effects of fasting while still allowing you to eat. It uses plant-based, calorie-controlled meals to activate the body’s fasting response, supporting cellular renewal and metabolic health.

What foods are included in the Prolon meal kits?

Prolon meal kits include pre-portioned plant-based soups, nut-based bars, olive and kale snacks, a glycerol beverage, herbal teas, and supplements. Each item is carefully engineered to support fasting benefits and maintain satiety throughout the five-day plan.

How many calories are in the Prolon diet each day?

On Day 1, the Prolon diet provides about 1,100 calories. For Days 2–5, the calorie intake drops to roughly 750–800 calories per day. This calorie reduction is vital for promoting the benefits associated with fasting.

What are the main benefits of the Prolon Fast Mimicking Diet?

The main benefits include cellular rejuvenation, increased autophagy, metabolic health support, improved insulin sensitivity, and reduction in inflammation markers. It also helps promote ketosis and may support healthy aging, according to clinical research.

Are there any risks or side effects?

Some people may experience temporary side effects like headaches, fatigue, or mild dizziness due to the lower calorie intake. Dehydration risk is minimized by included hydration support, but it’s important to consult your doctor before starting, especially if you have health conditions.

Who should avoid the Prolon diet?

The Prolon diet is not recommended for anyone under 18, people with a low BMI, pregnant or breastfeeding individuals, and those with certain health conditions or a history of eating disorders. Always check with your healthcare provider first.

How does the Prolon diet differ from water fasting?

Unlike water fasting, which offers no calories, the Prolon diet provides small, nutritionally balanced meals. This approach makes it easier to stick to the plan while still activating fasting pathways and achieving similar health benefits.

Do I need to prepare or cook anything on the Prolon diet?

No, all meals and snacks in the Prolon kit are pre-portioned and ready to eat or require minimal preparation, such as heating soups. This makes it convenient and easy to follow for the full five days.

Is the Prolon Fast Mimicking Diet suitable for vegetarians or vegans?

The Prolon diet is plant-based and generally suitable for vegetarians. However, those following a strict vegan diet should check ingredient labels carefully before starting, as some components may not be strictly vegan.