installments in partnership with
with 4 interest-free payments of $46.75
Paying with Shop Pay is as easy as 1, 2, 3!
Finally, you don’t have to pay for your fast all at once. Happy days!
Shop Pay makes it easy to find a
payment plan that suits you so you can focus on getting your fast started.
Add items to your cart
Check out with Shop Pay
Pay in 4 easy installments
Your first payment will be due at checkout.
The next 3 remaining installments will be automatically charged every 2
weeks to your card saved on
And don't worry, you'll get an email reminder before each payment to
keep you in the know.
Frequently Asked Questions
Shop Pay helps you check out faster when you’re shopping in participating stores
by automatically filling in your saved payment and shipping information when you
enter your email address at checkout.
When you check out with Shop Pay, you have the option to pay in installments.
Installments are a flexible payment option that can help you invest in larger
purchases up to $1000 by dividing your purchase amount into four equal,
biweekly, and interest-free payments. There are no additional fees.
Your first payment is due at checkout or up to 2 weeks after your purchase for
approved customers. The next 3 remaining installments are automatically
charged to your card saved on Shop Pay every 2 weeks.
Login to your shop pay account and contact them for further assistance. Prolon
and L-Nutra do not manage your installment payments, they are provided by
Shop Pay and underwritten by Affirm. You may also visit
for additional information.
There are no additional charges, interest rates, or late fees.
Items in your order will be delivered normally, depending on the shipping service
selected at checkout.
Shop Pay installments can be used for purchases between $50– $1,000.
Prolon’s Brand Purpose
To deliver many of the benefits of fasting with convenience and ease with a complete 5 day Fast, while empowering you to take control of your own health
ProLon® is a 5-day dietary program carefully designed to nourish and rejuvenate your body while supporting metabolic balance.
The ProLon FastingMimicking Diet® gives many of the benefits of a fast while letting you eat delicious food to help fight hunger and lose weight while protecting lean body mass.* Get a trimmer waistline and many of the associated benefits of fasting without requiring ongoing lifestyle changes, such as long-term dieting.
*In a clinical study, ProLon was shown over three cycles (one per month for three months) to help individuals lose an average of 5.7 lbs and 1.6 inches off their waist circumference.
All ProLon purchases include a 20 minute health coach consultation — a $74 Value!
Perfect For First Time Faster
Single box order
$187 /box — or
4 interest-free payments of $46.75
Order ProLon as a trial and see what all the buzz is about.
You’ll discover delicious foods that help keep you energized while giving your body many of the benefits of a 5-day fast. See how great you feel after doing just one cycle of ProLon!
Jumpstart your Metabolic Health and Healthy Aging with the Prolon 5-Day Meal Program
Not everyone should fast for prolonged periods of time. If you fit any of the following categories, you should fast only under the direct supervision or under the advice of a personal healthcare provider:
If you have any pre-existing conditions or are taking any prescription medications.
If you may have an infection or may be at risk for a repetitive infection; are underweight, pregnant, breastfeeding; or have a known, diagnosed or suspected eating disorder.
If you have any dietary restrictions, or are under 18 or over 70.
If you are a patient enrolling in the ProLon Professional Program only available through a healthcare provider, by using the QR code or purchasing from this website using your healthcare provider’s code or information, you are identifying as a patient. As part of the program, you agree to participate in coaching; receipt of educational materials through coaching, text messages, and/or email; and provision of a report back to your healthcare provider regarding your participation.
By clicking on the box, you agree that you have read and can adhere to this Healthy Start Commitment.