1. Duplicate the questhealth's discount code you desire from this page and click to get code.
2. You'll observe the offer code being displayed and automatically copied to your clipboard after a single click.
3. Then go back to the shopping checkout page of questhealth.com, where you can find the promo code box and paste the code into it.
4. As a final step, you need to press 'Apply Code' to view the size of the discount on your current order.