The stimulating effect of caffeine is one of the main reasons so many people enjoy a daily cup of coffee. You can expect an 8-ounce cup of coffee to provide just under 100 milligrams (mg) of caffeine ...

There are positive and negative effects with caffeine. As with most substances, we need to handle caffeine with moderation.

By comparison, an 8-ounce cup of coffee has about 100 milligrams; a 16-ounce Starbucks Grande, 330 milligrams. Five of the 16 products that list a specific amount of caffeine—Arizona Energy ...

For reference, a 12-ounce can of Coke has 34 milligrams of caffeine and a 12-ounce can of Pepsi has 38 milligrams. In comparison, an 8-ounce cup of coffee has between 70 and 140 milligrams of caffeine ...

Green tea offers a mild caffeine boost with antioxidants, promoting brain health and aiding weight loss, and contains less ...

Decaf coffee contains very low caffeine levels (typically less than 5 mg per 8 oz cup), making it unlikely to affect the ...