To use a promo code on an add-on such as the gut microbiome test or the IgG food sensitivity panel, enter the code at checkout when you order the item from the shop.
Steps:
Open the shop in the app at https://app.lucis.life and select the add-on you want.
Add it to your order and go to checkout.
Enter your promo code in the field provided, then confirm. The discount is applied to your total before payment.
Active codes and their availability are shown at checkout. If a code does not apply, just let us know here and we will help.