Coffee , energy drinks and soda are not the only ways young people are getting their caffeine fix. Another product catching the attention of health experts, school officials and parents doesn’t come in a cup or a can. It comes in a pouch.

Caffeine pouches, small packets placed in the mouth between the lip and gum, are marketed as a portable and discreet way to boost energy and focus. Some contain as much as 200 milligrams of caffeine or about the amount in two cups of coffee, according to the American Academy of Pediatrics . Health experts warn that consuming too much caffeine can cause serious side effects, including increased heart rate, especially in children and teens.

The pouches also closely resemble nicotine products, raising concerns among school officials about student health and the difficulty of distinguishing between the products. Some K-12 school districts across the U.S.…