
Phew, we know! These numbers are intense. Starbucks lands a close second at 20.6 mg per fluid ounce, with Dunkin’ Donuts lagging behind at 15 mg. That’s more than twice the amount of caffeine offered in McDonald’s coffee (9.1 mg per fluid ounce). Black Label Brewed Coffee is believed to have the most caffeine per ounce at 129.6 mg.Īnd when it comes to brand name caffeine, Coffee Bean & Tea Leaf’s regular coffee packs the most caffeine per ounce at 20.8 mg. On an ounce-by-ounce basis, coffee overall delivers more caffeine than energy supplements, shots, and drinks. Reports of dangerously elevated heart rates are also associated with this drug. It contains a derivative of methylhexanamine, a stimulant that is believed to actually have a negative effect on mental clarity. The time-released microshot (created by Florida company Intocell) claims to increase focus and boost energy for up to 10 hours. Fortunately, it comes in tiny 0.14-ounce portions.ĭespite DynaPep’s minuscule size, it packs a powerful punch. Top 45 Beverages Ranked by Caffeine Per OunceĪt 714.3 mg per fluid ounce, DynaPep has the highest caffeine content per ounce of any beverage on the market.
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Present in tea, coffee, chocolate, and energy drinks, this potent little alkaloid is not only a popular stimulant, but also the most widely consumed psychoactive drug in the world.Ĭurious to know which drinks contain the most caffeine? Check out our infographic below to find out! Whether you suffer from sleepless nights or simply enjoy an energetic buzz while going over your morning emails, chances are you’re one of the millions of folks who regularly consume caffeine.
