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15% Off Prolon Coupons & Promo Codes August 2026

agent-verified & updated·August 19, 2026

Today's Best Prolon Coupon Codes:

24 offers in total
$85
OFF

Save $85 on ProLon Life Orders

✓ agent-tested

Get $85 off on qualifying ProLon Life orders when you use this code.

agent score 51/100passed 4 of 4 agent checks

use code
15%
OFF

Take 15% Off Your ProLon Life Order

✓ agent-tested

Unlock 15% off on eligible ProLon Life purchases with this discount code.

agent score 51/100passed 6 of 6 agent checks

use code
15%
OFF

Save 15% on Your ProLon Order

✓ agent-tested

Apply this discount code to save 15% on eligible ProLon purchases.

agent score 51/100passed 3 of 3 agent checks

use code
15%
OFF

Take 15% Off Your ProLon Order

Enjoy 15% off on eligible ProLon purchases with this code.

agent score 51/100passed 5 of 5 agent checks

use code
15%
OFF

Up to 15% Off Your ProLon Order

Take up to 15% off your ProLon order when you use this coupon code.

agent score 2/100passed 5 of 5 agent checks

use code
25%
OFF

25% Off ProLon Life Purchases

Receive 25% off on qualifying ProLon Life orders when you use this code.

agent score 1/100passed 3 of 3 agent checks

use code
20%
OFF

Get Up to 20% Off at ProLon

Enjoy up to 20% off on eligible ProLon purchases with this coupon code.

agent score 1/100passed 5 of 5 agent checks

use code
$5.70
OFF

L-Spread Multi-Pack Savings: Save Up to $8.10

Buy a multi-jar L-Spread quantity option to unlock built-in savings, including $5.70 off the 2-jar set or $8.10 off the 3-jar set. The savings are displayed on the product page as part of the quantity selection and do not require a code.

$17

15% Off L-Spread With Subscribe & Save

Choose Subscribe & Save for L-Spread and get the jar for $17 instead of $20. The product page lists recurring delivery options and free shipping on subscription orders.

FREE
SHIP

15% Off L-Protein With Subscribe & Save

Subscribe to L-Protein and pay $42.50 instead of the regular $50 one-time price. Customers can choose recurring delivery intervals, and subscription orders include free shipping where eligible.

$59.49

15% Off Fasting Shake With Subscribe & Save

Select Subscribe & Save for Fasting Shake and get it for $59.49 instead of $69.99. The subscription option includes recurring delivery intervals and free shipping on subscription orders.

FREE
SHIP

Save $40 on Next Gen Prolon 5-Day Subscription Orders

Choose Subscribe & Save for the Next Gen Prolon 5-Day Fasting Mimicking Program and pay $215 instead of the listed one-time price of $255. Subscription orders also show free shipping as part of the recurring purchase option.

$185

Save $20 on Prolon 5-Day Fasting Program Subscriptions

Subscribe to the Prolon 5-Day Fasting Mimicking Program and get the standard kit for $185 instead of $205. The subscription option includes recurring delivery choices and free shipping on subscription orders within eligible U.S. areas.

DEAL

Summer Giveaway: Free Fasting Bars With 3 1-Day Resets

Buy three 1-Day Resets and receive a free box of Fasting Bars through Prolons summer giveaway. The offer is shown on ProlonLife.com and is tied to the specified multi-unit purchase.

DEAL

Summer Giveaway: Free Fasting Bars With Prolon 5-Day FMD Purchase

Purchase the Prolon 5-Day FMD through the Prolon offer page and receive a free box of Fasting Bars as part of the summer giveaway. The offer is tied to buying the 5-Day FMD and is presented on ProlonLife.com without a promo code.

25%
OFF

25% Off Month One of Prolon Guided Health Program

Enroll in Prolons Weight and Metabolic Wellness Program and receive 25% off the first month for a limited time. The offer applies to the guided program purchase and is displayed directly on the program page.

$150
OFF

$150 Off When You Buy Three Prolon 5-Day Programs

Buy three Prolon 5-Day programs and receive $150 off the bundle. The page also lists additional bundled bonuses, including a free Fasting Shake and welcome kit, as part of the three-cycle offer.

50%
OFF

Buy One Prolon 5-Day Program, Get the Second 50% Off

Purchase two Prolon 5-Day programs through the product page offer and receive 50% off the second box. The offer is presented as a selectable purchase option for two people and includes the stated second-box discount without a promo code.

25%
OFF

25% Off First Month of Prolon 5-Day Subscription, Plus Free Gifts

Subscribe to the Prolon 5-Day Fasting Mimicking Diet and get 25% off the first month. The subscription offer also includes a free welcome kit and a free 12-count Fasting Shake as listed on the product page.

18%
OFF

Save 18% on ProLon Reset 3-Day Plan

The ProLon Fasting Mimicking Diet collection lists the ProLon Reset 3-Day Plan from $99, reduced from the regular price of $120. This sale applies to the Reset 3-Day Plan product shown in the official collection.

DEAL

ProLon 5-Day Kit Deal: Get 2 Free ReSets

Purchase the ProLon + 2 FREE ReSets offer to receive a ProLon 5-Day kit bundled with two ReSet items. The product page presents both subscription and one-time purchase options without showing a required promo code.

$495

Save 34% on the ProLon 3 Box Bundle

Get the ProLon 3 Box Bundle & Save for $495 instead of the listed regular price of $747. The offer applies to the multi-box ProLon bundle shown in the ProLon Fasting Mimicking Diet collection.

$387

Save on 2 Prolon 5-Day FMD Boxes, 2 for $387

Select the Buy 2 Boxes offer on Prolon 5-Day FMD to get two boxes for $387. The same page lists the one-time purchase price at $215 per box, making this a bundle discount for purchasing two boxes together.

$20
OFF

Save $20 Per Shipment on ProLon Reset 3-Day Plan Subscriptions

Choose the Subscribe & Save option for the ProLon Reset 3-Day Plan to receive $20 off each shipment. The page lists the subscription benefit with no commitment and cancellation available at any time.

Prolon Shopping Info

Discounts

Popup/Newsletter
10% discount for newsletter signup
Student
No specific student discount is offered.
Loyalty
Prolon Rewards

Shipping & Returns

Free Shipping
Threshold: varies
Intl Shipping
Does not ship outside of the US; international customers are directed to regional sites (prolonfast.ca, prolon.eu, prolon.com.au, prolon.ae).
Free Returns
Returns are not accepted.
Final Sale
All items

Payments

Cards
Visa, Mastercard, American Express
Wallets
Apple Pay, Google Pay, PayPal
BNPL
Shop Pay Installments
Gift Cards

Locate the Code Box at prolonlife.com

The agents tested the code. Entering it is the one part we leave to you — here's exactly where the Prolon promo code goes at checkout.

Follow the shopper-submitted screenshots below to spot the Prolon promo box and apply your code. Miss a step and even a working code does nothing — so the agents mapped every one for you.

Prolon checkout page showing the Code ex: CUPON12 field and APPLY button

How to find

  1. 1.Go to prolonlife.com
  2. 2.Click the cart icon in the top right corner to open the cart sidebar
  3. 3.Locate the promo code field at the bottom of the cart sidebar under the text 'Enter your Discount or HCP code here:'

How to use

Enter the code into the field labeled 'Code ex: CUPON12' in the cart sidebar and click the 'APPLY' button.

How the Agents Verify Prolon Codes

agents@dealhack: ~/verify --store prolonlife.com
7 Prolon promo codes tested against a live cart
5 total offers cleared for redemption at prolonlife.com
last sweep completed August 4, 2026
expired & dead codes purged automatically
The agents re-test every Prolon coupon on a schedule — no human vouches for a code they didn't watch work. If one slips through expired, just grab the next on the list. We keep backups.

Prolon Customer Support

Need help with your shopping? Here's what's available for Prolon when an order, return, or promo code needs a human.

Phone

Available Monday–Friday, 9:00 AM–5:00 PM CST.

Email

Support email available.

Help center

Contact information is available on the website footer and contact page.

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