These are the caffeine contents of various types of chocolate, according to the U.S. Department of Agriculture (USDA) Food Data 3. Each one represents a standard serving size (1 ounce) of chocolate. Dark chocolate (70 to 85% cacao solids): 22.7 milligrams. Dark chocolate (45 to 59% cacao solids): 12.2 milligrams. Each piece of military caffeine gum contains 100 mg of caffeine, which is about the amount found in a six-ounce cup of coffee. One sleep researcher contemplated and expanded on the concept of delivering caffeine through gum in 1998, and one year later Congress funded the first study in this area of inquiry. Oatmeal. Morning Spark instant oatmeal is a healthy breakfast that combines healthy whole grains, fiber, Vitamin C and 60 mg of caffeine into a single packet. That’s near, but not quite, a single cup of coffee. Caffeine isn't just limited to coffee, tea and soda. There are other foods with caffeine out there, too. See how they stack up. (monster Energy) Carbonated Water, Sucrose, Glucose, Citric Acid, Taurine, Natural Flavors, Sodium Citrate, L-carnitine, Panax Ginseng Root Extract, Ascorbic Acid, Caffeine, Sodium Chloride, Niacinamide, Riboflavin, Guarana Seed Extract, Inositol, Glucuronalactone, Pyridoxine Hydrochloride, Cyanobalamin. Mango Loco Energy Drink Monster Energy 1 bottle 120 Calories 32 g 0 g 0 g 0 g 0 mg 0 g 220.0 mg 30 g 0 g. Find on Amazon. Amount of net carbs in Mango Loco Energy Indeed, blood caffeine levels rose to the same degree after the caffeine injections and the espresso. But the straight-up caffeine had a much smaller effect on blood pressure than the espresso, boosting systolic blood pressure by an average of just 6 mm Hg. Moreover, the coffee drinkers and the nondrinkers responded similarly to intravenous Drive Thru - Mango Yuzu Citrus Flavored Charged Lemonade - 30 fl oz: 235 Fanta Orange - 20 fl oz 0 Drive Thru - Mango Yuzu Citrus Flavored Charged Lemonade - 20 fl oz 157 Fanta Orange - 30 fl oz 0 Drive Thru - Mountain Dew - 20 fl oz 54 Frozen Caramel Cold Brew - 16 fl oz 144 Rockstar Juiced Energy Drink - Mango - Non-Alcoholic - 160 mg Caffeine - Caffeinated Drink with Taurine, Guarana, Ginseng, & B-Vitamins - 12 x 500ml cans 4.4 out of 5 stars 815 5 offers from £15.60 With 42.6 ounces, Pepsi Max has more caffeine than Pepsi, but not by much; Pepsi has 34 milligrams of caffeine. Some soft drinks contain more caffeine, and a select few have a lot more caffeine, but again the average amount of a typical soft drink is 30 to 50 milligrams. Image Credit: Fortyforks, Shutterstock Objective. This paper reviews the literature on the genetics of caffeine from the following: (1) twin studies comparing heritability of consumption and of caffeine-related traits, including withdrawal symptoms, caffeine-induced insomnia, and anxiety, (2) association studies linking genetic polymorphisms of metabolic enzymes and target receptors K1DtjHo.