Energy drinks will probably kill you, but if you can’t go without the pick-me-up, Red Bull is probably the least disgusting option out there. And with this cheapest-ever Amazon deal, it’s also one of the most affordable.
1) Use Subscribe & Save (you can cancel after your order ships)
2) Clip the 10% coupon
3) Receive an additional discount at the final checkout screen. No promo code required.