How do I redeem a voucher during checkout? H S March 13, 2019 23:17 Updated When you reach the cart page of your checkout click the "Redemption Code" dropdown. Enter your code and click "Apply." Related articles How do I cancel my order? How do I activate my kit How do you collect the DNA? How do I resume my supplement subscription? I purchased the wrong product... Comments 0 comments Please sign in to leave a comment.