The Center for Science in the Public Interest is requesting that the U.S. Food and Drug Administration ban the retail sale of pure, powdered or liquid caffeine as a dietary supplement.
Two men, ages 18 and 24, died after ingesting powdered caffeine.
In May, 18-year-old Logan Stiner died after ingesting powdered caffeine. In July, 24-year-old Wade Sweatt also died after ingesting it.
A teaspoon of caffeine powder is equal to about 25 cups of coffee.
Powdered caffeine can be ordered from online retailers, where it’s often advertised as an athletic performance enhancer or a weight-loss aid. It sells for about $10 for 250 grams – about 8 ounces, which is equal to 1,000 cups of coffee.