ProLon Diet Cost

Written by: Staff
Last Updated:  August 13, 2018

The  ProLon diet, created by Professor Valter Longo, is a fasting mimicking diet which claims to help you quickly lose weight and improve biomarkers for your health.

Clinically proven to help people lose an average of five pounds of fat and 1.2 inches in waist circumference, the diet is said to be nourishing, convenient, easy and all natural.

ProLon Diet Cost
diet” (CC BY-SA 2.0) by mahmoud99725

How much does the ProLon diet cost?

The cost of the ProLon diet, if you were to purchase from the official website, will depend on how many boxes you will want.  As each box will be considered a 5-day total diet replacement, which we will get into next, the costs can range from $299 per box if you plan on purchasing one or two boxes or $250 per box if you purchase more than one.  This is the full price, including tax and shipping, with the exception of California, where residents will be required to pay a sales tax on purchases.

To save money, we were able to find boxes on eBay for as little as $30 per box, but we could not confirm the authenticity of the multiple listings we saw.

What is the ProLon diet?

The ProLon diet, according to the official company’s website, is said to be a clinically tested and scientifically developed meal plan, which is designed to mimic the effects of fasting, all while providing your enough nourishment via plants, including the essential vitamins and amino acids, to feel energized and happy throughout the process.

If you follow the plan, according to the company’s specification, then the company claims you can lose weight, some body fat and visceral fat, all while maintaining healthy glucose, cholesterol and blood pressure levels, to name a few.

Proven to be safe, you do not need to make any ongoing lifestyle change.

How does the ProLon diet actually work?

The ProLon diet meal boxes, which you can purchase from the official website, will only consist of a variety of plant-based soups, ranging from drinks, soups, energy bars, dietary supplements and snacks, all low in proteins and carbohydrates.  Any food inside of the boxes, as per the website, will contain no additives, preservatives or chemicals, and a day’s worth of food will provide anywhere from 700 to 1,000+ calories per day.  Based on the specific foods you eat inside your meal box, your body will not recognize the food as calories as it’s used to absorbing; instead, it will keep you in “fasting” mode while not fasting as people traditionally do.  This reduces intake, as per the company, can reduce IGF-1 glucose, aging markers and inflammation.  Each box you purchase online will consist of five days worth of food and supplements.

Depending on a few factors, including your body weight, baseline markets and other related health measurements, the company will recommend, as long as you’re considered healthy, a five-day fasting period, anywhere from twice to three times a year, while those are considered higher at risk should consider the program up to 12 time a year.

Anytime you commit to the program for the duration of the week, you are instructed not to consume any other foods and additional liquids, aside from water.  After you finish the five-day period, then you can resume your normal eating habit after what’s known as the one-day transition period is complete.

In conclusion, you will follow the guidelines and instructions which are inside of the box for a duration of five consecutive days, followed by a transitional day.  After the transitional day, you will be able to resume normal activities.  As long as you follow the guidelines on the box, you should see results as the company proclaims.

Tips to know

The ingredients are tough to find since it’s considered a proprietary diet and the food inside of each box can greatly change.  However, according to some results online, the nut bars, for example, contain ingredients such as almond meal, ascorbic acid, citric acid, coconut, coconut oil, flaxseed meal, honey, macadamia nut butter, mixed tocopherol, pecans, sea salt and vanilla extract.  Drinks, on the other hand, contain natural flavor, potassium sorbate, purified water and vegetable glycerin.

The diet is recommended for healthy individuals, non- diabetics and those with a BMI less than 18.

ProLon is not approved by the FDA and is not designed to treat or prevent any disease, and according to, Professor Valter Longo does not benefit financially from the diet; instead, he puts all of his earnings back into research at USC.

Erin Van Der Meer, via, created a dairy, explaining what she did all six days of the diet.

As long as the box was not opened, the company will refund your purchase after 30-day, aside from the shipping fees; however, for those who purchased more than one box at once will have to pay a small 15 percent restocking fee.

According to the official website, the diet is the only healthcare product that has earned a US patent for inducing stem cell-based regeneration.

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