1The best way to save at OmneDiem
Cashback
12.5%
on eligible purchases
Current deal
Subscribe & Save up to 15%
valid until Jan 1, 2030
Example: €100.00 order
| Selected option | Sample order |
| Current store price | €100.00 |
| Coupon code (20 %) | - €20.00 |
| Checkout price (paid to store) | €80.00 |
| Estimated cashback reward (12.5%) | - €10.00 |
| Total estimated savings | €30.00 |
| Effective cost | €70.00 |
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. The coupon value comes from the current offer; its conditions, such as a minimum order value, apply.
2How to get your OmneDiem cashback
- Click Get Cashback to open OmneDiem in a new browser window.
- Complete your purchase as usual on OmneDiem.
- 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.
3OmneDiem Cashback Rates & Conditions
Cashback rate and eligibility are shown according to the current affiliate offer specifications:
Category / OfferRate
All purchases12.5%
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 OmneDiem deals
5OmneDiem cashback guide and tips
OmneDiem is a US brand of supplements containing the enzyme diamine oxidase (DAO). The Histamine Digest line includes products such as DAO 30,000 HDU, Mast Cell Support with vitamin B6, and PureMAX. The shop also sells protein, collagen, amino acids and a supplement called Brain Support. The products are also sold through Amazon and Walmart.
Compare the products in the Histamine Digest line by their ingredient lists and pack sizes. Click through to OmneDiem from here and earn 12.5% cashback.
How cashback is confirmed: your purchase shows as pending in your account. After OmneDiem confirms it, the cashback becomes payable according to the offer terms.
6FAQ
What does OmneDiem offer?
The Histamine Digest line includes products such as DAO 30,000 HDU, Mast Cell Support with vitamin B6, and PureMAX. The shop also sells protein, collagen, amino acids and a supplement called Brain Support.
What stands out at OmneDiem?
The products are also sold through Amazon and Walmart.
Is there a OmneDiem voucher?
We check every day. At OmneDiem coupons you can see the current coupons and offers every day.
Does OmneDiem offer a money-back guarantee?
Yes, the OmneDiem site mentions a money-back guarantee of 30 days. The exact terms are set out by the shop.
Does OmneDiem offer a subscription?
Yes, the OmneDiem site mentions a subscription with regular delivery. The terms are set out by the shop.
How does cashback work at OmneDiem?
Create a free account with daily cashback, click through to OmneDiem from this page and order normally. The cashback is credited once the shop approves your order.
Do returns reduce the cashback?
Yes. Cashback is only confirmed for orders the shop keeps. A returned or cancelled order earns nothing.
How long until the cashback from OmneDiem is approved?
The order first appears as open. After OmneDiem approves it, usually once the return window has closed, the amount is released.
How do I get the best OmneDiem 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 OmneDiem 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 OmneDiem?
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 OmneDiem cashback tracked?
Your cashback transaction is normally added to your account after the purchase has been registered by the affiliate tracking system.
When does OmneDiem 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 OmneDiem cashback work for existing customers?
Eligibility depends on the current OmneDiem 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 OmneDiem 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 OmneDiem 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 05:36 AM UTC. How cashback works → More guides →
All codes for OmneDiem: Checked today · 10/15/2026 · 13:54.