Delivery & Returns
Clear timelines, tracked every step, and a straightforward returns process. Because researching your next breakthrough shouldn't involve logistics stress.
Fast, tracked, discreet.
Every order leaves our UK facility via Royal Mail with full tracking. Choose standard Tracked 24 or upgrade to Special Delivery.
Dispatch
Orders placed before 2pm on working days are dispatched same-day. Weekend and bank holiday orders ship the next working day.
Tracked 24
Royal Mail Tracked 24 is our standard service. Most UK addresses receive their order within 1 working day of dispatch.
Special Delivery
Upgrade to Royal Mail Special Delivery Guaranteed by 1pm for total peace of mind. Signature required on arrival.
Tracking
Your Royal Mail tracking number is emailed as soon as your order leaves our facility. Track end-to-end at royalmail.com/track.
Free Tracked 24 on orders over £150
£4.99 flat rate below. Special Delivery upgrade +£5.
Where's my order?
Enter your order number and the email you used at checkout to see live dispatch and Royal Mail tracking status.
Know exactly where your order is.
What to expect
- 1
Dispatch confirmation
You receive an email with your Royal Mail tracking number as soon as the parcel leaves our facility.
- 2
In transit updates
Royal Mail scans at every major hub. You see real-time progress at royalmail.com/track.
- 3
Delivery
Tracked 24 is delivered to your door or safe place. Special Delivery requires a signature.
Typical UK timelines
Timelines are estimates based on Royal Mail service standards. Bank holidays, severe weather or courier delays can extend delivery by 24–48 hours.
Straightforward and fair.
We stand behind every order. If something isn't right, we'll make it right.
Contact us
Email support@zyrexlab.com within 14 days of delivery with your order number and a brief description.
Review
Our team will review your request and respond with next steps within one working day.
Resolution
For approved returns we arrange replacement or refund to your original payment method within 14 days.
Returns policy in full
Damaged or incorrect items
If your order arrives damaged, faulty or incorrect, contact us within 14 days of delivery with your order number and photos where possible. We will arrange a replacement or refund for verified issues.
Product integrity
For health, safety and product-integrity reasons, items that have been opened, used or tampered with cannot be returned unless they are faulty. This does not affect your statutory rights.
Cancellations
Contact us as soon as possible if you wish to cancel. If your order has not yet been dispatched, we will cancel it and issue a refund. Once dispatched it is subject to the conditions above.
Refunds
Approved refunds are issued to your original payment method. Please allow up to 14 days for the refund to be processed once approved. Shipping charges are non-refundable except where an order is faulty or incorrect.
Delivery & Returns FAQ
Quick answers to the questions we hear most often about dispatch, tracking and returns.
When will my order be dispatched?+
Orders placed before 2pm on a working day (Monday–Friday) are dispatched the same day. Orders placed after 2pm, at weekends or on bank holidays are dispatched the next working day.
How do I track my parcel?+
As soon as your order leaves our facility you will receive a dispatch email containing your Royal Mail tracking number. You can track your parcel in real time at royalmail.com/track.
How long does delivery take?+
Royal Mail Tracked 24 typically delivers within 1 working day of dispatch. Special Delivery Guaranteed arrives by 1pm on the next working day. Remote UK addresses and islands may take up to 2 working days.
What does the packaging look like?+
All orders are sent in plain, discreet professional packaging with no external branding or product references. The sender label shows only our return address.
What if my order hasn't arrived?+
If your tracking shows no movement after 48 hours, or it has been 3 working days since dispatch with no delivery, contact support@zyrexlab.com with your order number and we will investigate immediately.
Can I change my delivery address after ordering?+
Contact us as soon as possible at support@zyrexlab.com. If your order has not yet been dispatched we can usually update the address. Once dispatched the parcel will follow the original address.
What is your returns window?+
You must contact us within 14 days of delivery to begin a return. We aim to respond with next steps within one working day.
Can I return an opened item?+
For health, safety and product-integrity reasons, opened, used or tampered items cannot be returned unless they are faulty or incorrect. Unopened items in original condition may be returned subject to review.
How long do refunds take?+
Once a return is approved, refunds are issued to your original payment method within 14 days. Please allow additional time for your bank or payment provider to process the refund.
Do you offer exchanges?+
We do not operate a direct exchange process. For a different product, we recommend returning the original item for a refund and placing a new order. This ensures faster processing and accurate stock allocation.
Need help with an order?
Our team typically responds within a few hours on working days.
