Get a FREE Koia Plant-Based Protein Drink! Get a printable coupon via email for a FREE Koia Plant-Based Protein Drinks (up to $3.99 value) when you sign up as a Koia Krew member! Click ‘sign up’ and fill out the form then check your inbox for an email with the subject ‘Welcome to the koia krew! Let’s get started!‘ that will contain the link to print your coupon. Limited quantities so act fast!