Free DRINKHACK Hangover RemedyGet a Free DRINKHACK Hangover Remedy. DRINKHACK is formulated for health-conscious social drinkers who want to have fun and still be productive the following day. Why treat a “hang-around” when you can just avoid it? Just grab the “on-the-go” package and slide it into your pocket or purse. Take 1 pill within 60 minutes of your FIRST drink and 1 pill within 60 minutes after your LAST drink. Add to cart and checkout. Use the promo code DRINKHACK to get it free. US only.