1The best way to save at FNCTION
Cashback
2.5%
on eligible purchases
Current deal
Prices on the site
current prices are shown on FNCTION
Coupon code
not needed
cashback applies to the price you pay
Example: £100.00 order
| Selected option | Sample order |
| Current store price | £100.00 |
| Applicable voucher or promo (example) | - £0.00 |
| Checkout price (paid to store) | £100.00 |
| Estimated cashback reward (2.5%) | - £2.50 |
| Total estimated savings | £2.50 |
| Effective cost | £97.50 |
Example amounts. Cashback is an estimated post-purchase reward and is not deducted at checkout. Cashback is calculated on the net order value after applied vouchers and promotional discounts, excluding applicable taxes.
2How to get your FNCTION cashback
- Click Get Cashback to open FNCTION in a new browser window.
- Complete your purchase as usual on FNCTION.
- Your cashback transaction is recorded in your daily-cashback account as Pending.
- The transaction is reviewed and verified by the merchant.
- Approved cashback becomes payable according to the applicable offer terms.
3FNCTION Cashback Rates & Conditions
Cashback rate and eligibility are shown according to the current affiliate offer specifications:
Category / OfferRate
All purchases2.5%
Important Tracking Notes
Voucher Policy: Using promotional codes that are not listed on this page may affect cashback eligibility. Please check the offer conditions before completing your purchase.
Browser Settings: Make sure your browser allows the tracking required for cashback before clicking through to the store.
4Active FNCTION deals
We check FNCTION offers regularly. New coupons and deals appear here as soon as they are confirmed. Current prices are shown directly on the FNCTION website.
5FNCTION cashback guide and tips
FNCTION is a brand selling the cacao drink CALM with collagen and plant extracts. According to the site, CALM contains 10 g of marine collagen, 3 g of ashwagandha extract, magnesium bisglycinate, L-theanine, reishi, chamomile, passionflower and vitamins B6, B12 and C. It comes in sachet boxes for 15 or 30 days and in a version with a frother. The site states a 30-day money-back guarantee on the purchase.
Choose the box size by how long you want to try the drink. Click through to FNCTION from here and earn 2.5% cashback.
How cashback is confirmed: your purchase shows as pending in your account. After FNCTION confirms it, the cashback becomes payable according to the offer terms.
Shipping, returns and payment
Return window
30 TageSource: fnction.co
30 TageSource: fnction.co
6FAQ
What does FNCTION offer?
According to the site, CALM contains 10 g of marine collagen, 3 g of ashwagandha extract, magnesium bisglycinate, L-theanine, reishi, chamomile, passionflower and vitamins B6, B12 and C. It comes in sachet boxes for 15 or 30 days and in a version with a frother.
What stands out at FNCTION?
The site states a 30-day money-back guarantee on the purchase.
Is there a FNCTION voucher?
We check every day. At FNCTION coupons you can see the current coupons and offers every day.
Does FNCTION offer a money-back guarantee?
Yes, the FNCTION site mentions a money-back guarantee of 30 days. The exact terms are set out by the shop.
Does FNCTION have a newsletter?
Yes, the FNCTION site lets you sign up to a newsletter with news and offers. You can unsubscribe at any time.
Why was my purchase at FNCTION not recorded?
To be recorded, an order needs a click from our page right before it, cookies switched on and no other price or code site visited in between. If one of these is missing, the shop cannot link the order to your account.
Is the FNCTION rate always the same?
No. The shop can change it. The current value is 2.5% and we update it every day.
Where can I read the delivery and return rules of FNCTION?
On the website of FNCTION, in its delivery and returns section. We only inform about the shop and do not sell anything ourselves.
How do I get the best FNCTION price today?
Use our Best Way to Save calculator above. By combining eligible store discounts or promo codes with our estimated cashback reward, you can calculate your effective cost before buying.
Can I use a FNCTION coupon with cashback?
This depends on the coupon. Coupons listed as eligible on this page can be used alongside the cashback offer. Using an unlisted promotional code may affect cashback tracking or eligibility.
How much cashback can I earn at FNCTION?
Cashback rates are based on the current affiliate partner agreement. The applicable percentage or fixed amount for each category is displayed in our rates table above.
When is my FNCTION cashback tracked?
Your cashback transaction is normally added to your account after the purchase has been registered by the affiliate tracking system.
When does FNCTION cashback become payable?
Cashback becomes payable after the merchant and affiliate network have reviewed and approved the transaction, according to the applicable offer terms.
Does FNCTION cashback work for existing customers?
Eligibility depends on the current FNCTION cashback offer. Some offers may distinguish between new customers, existing customers, renewals or upgrades. Please check the eligibility conditions shown above before purchasing.
Does cancelling my FNCTION order affect cashback?
Yes. If a purchase is refunded, cancelled or charged back, the associated cashback may be declined or reversed according to the applicable cashback terms.
What happens if I return or refund my FNCTION purchase?
Merchants only approve cashback for valid, completed sales. Any refunded order results in a declined or reversed cashback status.
7Last checked
Cashback rate and deals checked Oct 15, 2026 at 02:50 AM UTC. How cashback works → More guides →
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