Subscribe the GT's newsletter to get your printable coupon valid for a FREE Bottle of GT's Synergy Raw Kombucha - a $4.99 value! It’s a manufacturer's coupon, so it can be used anywhere that accepts printable free product coupons. The coupon will arrive in an email titled ''Welcome to GT's Family''. Head over here to find where these are sold near you. The coupon is valid through December 20th.