FAQs

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134 articles in 9 topics

After your program and repeat cycles

What if I can’t do a Prolon cycle exactly one month apart?
Participants in our clinical trial all maintained close to 25 days from the completion of one cycle to the beginning of the next, so we cannot...
What should I eat after my Prolon cycle?
You can refer to the Transition Day Meal Plan, but in short, we advise you to keep your meals light and small. Start with liquid foods,...
Should I do a day of water fasting after completing Prolon®?
We do not recommend doing any additional water fasting after completing Prolon, as this has not been tested in any of our studies and may be...
The Transition Day Meal Plan recommends a trail mix of almonds, pecans, cashews, blueberries and dark chocolate. Can you advise the ratios of nuts to blueberries to chocolate?
There is no specific ratio of nuts, blueberries, and chocolate, but a general guideline might include mostly nuts with a small quantity of blueberries and dark...
Why did my percent body fat go up after using Prolon?
We have found that the bioelectrical impedance scale/test, which is the most common body composition measuring tool, is not always adequately reliable to measure the effects...
Do you have any recommendations for bars or cereals?
We offer the Intermittent Fasting Bar, which has been designed to provide your body with a carefully balanced ratio of macro- and micronutrients to help promote...
What happens if I only do one cycle of Prolon in total?
Prolon users report dramatic shifts in their relationship to food after even just 1 cycle, as well as immediate weight loss and decrease in waist circumference....
Can I do Prolon® more often than once per month?
Prolon® is only intended to be done one time per month. We have not tested the safety or efficacy of more frequent use, nor have we...
How many cycles of Prolon can be recommended to an individual in a one-year period?
As with any diet, you should talk to your healthcare practitioner, who may recommend an onboarding period of 3 cycles over 3 consecutive months, followed by...

Before your program

During your program

Food and ingredients

General information

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Prolon 5-Day FMD

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L-Protein

Fasting Bar

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Prolon L-Pill

Prolon 5:2 Program

Intermittent Fasting Bundles

L-Spread

Longevity Nutrition Kit

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Longevity Nutrition Program

Prolon Longevity Protein

After your program and repeat cycles

What if I can’t do a Prolon cycle exactly one month apart?

What should I eat after my Prolon cycle?

Should I do a day of water fasting after completing Prolon®?

The Transition Day Meal Plan recommends a trail mix of almonds, pecans, cashews, blueberries and dark chocolate. Can you advise the ratios of nuts to blueberries to chocolate?

Why did my percent body fat go up after using Prolon?

Do you have any recommendations for bars or cereals?

What happens if I only do one cycle of Prolon in total?

Can I do Prolon® more often than once per month?

How many cycles of Prolon can be recommended to an individual in a one-year period?

Before your program

Can I start Day 1 of Prolon® the night before with one of the dinner soups?

Should I restrict calories or "prepare my body" before starting Prolon®?

During your program

What if I forget to eat something in the box or miss taking a supplement?

When should I start Prolon®?

Can I exercise during and/or after fasting? How should I ease back into my exercise routine?

Why should I not use tobacco products or other addictive substances while on the program?

Can I fly during a Prolon cycle?

What if I get really hungry as I'm doing Prolon®?

Can I eat the day’s food at different times?

Can I drink electrolyte beverages while on Prolon®?

Can I replace the L-Bar with a Fast Bar or other types of nuts?

What if I eat a meal inside the next day box in the middle of the night during the program?

What if food outside the Prolon kit is eaten during one day of the program, such as at a social event?

Adding/Additions to the program:

Food and ingredients

Are there "natural flavors" in any of the ingredients?

What is DHA in the algal oil?

Is Prolon FODMAP-friendly?

What’s in the kale crackers and soups?

I'm sensitive or allergic to certain food. Can I still do Prolon®?

Are all of the components of Prolon considered organic?

Is Prolon gluten-free?

Does Prolon® contain gluten or ingredients from Genetically Modified Organisms (GMOs)?

Is there soy in Prolon?

Is Prolon manufactured in facilities which also process soy?

Are the foods sweetened with Stevia?

Can eating nutritional yeast give you brain fog?

Is there wheat in the product?

Is the gelatin capsule vegan?

Is Prolon certified as Halal?

Is Prolon kosher?

Is Prolon suitable for vegans or vegetarians?

Are the nuts and grains sprouted?

Are there preservatives in your products?

Salt content in Prolon:

Do the rolled oats in the product have gluten?

Is the sunflower oil in the kale crackers hydrogenated or not?

Why do we use powdered soups?

What kind of plastic is used in the sports bottle, and L-Drink bottle?

How does L-Nutra track the quality of Prolon®?

Why are the foods in Prolon nut-based bars, kale crackers, soups, etc.? What is in the nut-based bars?

What is the purpose of rice flour in the soups?

General information

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Health and safety questions

Trying to conceive?

Why are enemas and colon cleanses not recommended during the program?

What do I do if I’m having trouble sleeping during the program (due to hunger)?

What if I get a headache? Can I take acetaminophen, ibuprofen, and/or aspirin?

Should routine intake of dietary supplements and prescribed medications be stopped during the Prolon dietary program?

Is fasting healthy and safe? What complaints are associated with fasting?

Do you ship Prolon outside of the US?

Can I take an Epsom salt bath?