Introducing FAST NOW, PAY LATER with Shop Pay

Split your purchase into 4 easy payments — with no hidden fees, no surprises!*

Limited-time offer

ORDER NOW
installments in partnership with
with 4 interest-free payments of $49.75
With Shop Pay Installments, you split your purchases into four equal,
interest-free payments — with no additional, hidden, or late fees, and no
impact to your credit score.

Quick Approval

Get a real-time decision with
no interest, no fees, and no
impact to your credit score.

Easy Payments

Split your purchase
into 4 easy payments

No Hidden Fees

0% interest payments

PROLON x FAST BAR

For a limited time, enjoy a complimentary
24 ct. of Fast Bar® with your purchase of
ProLon Fasting Mimicking Diet®.
Enjoy Fast Bar, between your cycles of
ProLon, to extend your intermittent fast.

Limited-time offer

ORDER NOW
installments in partnership with
with 4 interest-free payments of $49.75

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.

1

Add items to your cart

2

Check out with Shop Pay

3

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 Shop Pay.
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 https://shoppay.affirm.com/help/s/ 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® + Free 24ct. Fast Bar

Regular price $249.00 Sale price $189.00 Save $60.00
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Original Soups


New Soup Flavors

*Payment options are offered by Affirm and are subject to eligibility check and may not be available in all states. California residents: Affirm Loan Services, LLC is licensed by the Department of Business Oversight. Loans are made or arranged pursuant to California Financing Law license 60DBO-111681.