5 active offers · Current StackWell reward: 10% cash back · Updated July 17, 2026
These offers are supplied through merchant affiliate feeds and may change without notice. A coupon is not a guarantee that the separate StackWell reward will qualify. Open the tracked link first, review the destination terms, and see the current YorkTest (US) reward details before completing the action.
The code NUTRITION will deduct a customers basket by an additional $20 when they purchase the Premium Nutrition Program. The Premium Nutrition Program includes a Food Sensitivity Test plus 2 x 30 Min Nutritional Consultations with our expert Nutritional Therapists
The code TESTS will deduct a customers basket by an additional $20 when purchasing the Food Sensitivity and Allergy Test together
It depends on the current YorkTest (US) terms. These offers are supplied through affiliate feeds, but a code can still be excluded from reward eligibility. Open the tracked offer first and confirm the destination terms before completing the action.
Sign in to your StackWell account, open the tracked offer on this page, and shop in the same session. The eligible purchase must be reported and confirmed by the merchant network before it qualifies for payout.
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