Couldn't load pickup availability
For UK mainland orders, delivery is free on orders of £35 or more (excluding VAT). A delivery charge of £2.99 (excluding VAT) applies to orders below £35 (excluding VAT).
We use trusted courier partners including DPD, UPS, and Royal Mail (for smaller items), with the most suitable carrier selected based on the size, weight, value, and delivery destination of your order.
30-Day Hassle-Free Returns for Your Peace of Mind
Our returns policy grants you 30 days from the receipt of your item to notify our Customer Care Team if a return is necessary. Ensure the item is unused, in its original packaging, and ready for resale.
Ready to place an order or have inquiries about our products and services? Contact us today for exclusive NHS prices and discounts, and let’s embark on this journey towards a healthier tomorrow.
4 tests per box
Consistency: Precision 2.8% CV for an INR of 1.8.
Included Materials
Preparation
Carefully dissolve the contents of one vial by adding the contents of one dropper, then let it stand closed for at least 1 minute to reconstitute. Gently swirl the vial to mix. The reconstituted control material remains stable for 30 minutes. Do not store the reconstituted control material for future use.
Assay
