Cookie Diet promo code - September 2026
Australia shoppers save on Cookie Diet membership plans with 68% off 6 month and 60% off 3 month subscriptions. Students unlock 35% off selected items while the rewards program delivers member perks. With 1 promo code and 7 offers live in September 2026, flat rate shipping covers every order nationwide.
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20%
CURRENT
Promo code
Cookie Diet promo codes • Expires in 15 days
20% Off Selected Items with Promo Code
Apply the promo code at checkout to score 20% off selected items. A simple way to save on your next order
POPULAR
TUMN
Show Code
$10
Offer
Cookie Diet Deals
Refer a Friend - Give $10 Get $10 Voucher
Share your referral link and both you and your friend receive a $10 voucher. Earn rewards every time someone you refer shops
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35%
Offer
Cookie Diet Deals
35% Student Discount on Selected Items
Students can claim 35% off selected items with a valid student ID. Verify your student status to unlock this discount
POPULAR
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52%
Offer
Cookie Diet Deals
Save 52% on 1 Month Subscription Plan
Try a 1 month subscription plan and save 52% off the regular price. Great way to test the programme at a lower cost
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60%
Offer
Cookie Diet Deals
Save 60% on 3 Month Membership Plan
Get 60% off a 3 month membership plan for a mid-length commitment at a strong discount. Ideal for steady progress
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68%
Offer
Cookie Diet Deals
Save 68% on 6 Month Membership Plan
Commit to your goals long-term and save 68% on a 6 month membership plan. Biggest discount for the longest subscription tier
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Offer
Cookie Diet Deals
Buy Now Pay Later with Afterpay
Shop now and split your payment into manageable instalments with Afterpay at checkout. Enjoy your cookie diet plan without paying all at once
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Offer
Cookie Diet Deals
Join the Rewards Program for Member Perks
Sign up for the Cookie Diet rewards program to earn points and unlock exclusive savings on future orders of your favourite appetite-control cookies
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