JUULpods Classic Menthol 5% Nicotine 2ct Delivered In As Fast As 15 Minutes Gopuff Study: Juul Pods Contain Caffeine. What's It Doing There, And What Does It Do? Is this a problem with my pod? My juice keeps going dark really quickly and it tastes horrible. I know it can go brown through oxidation but I've read that shouldn't affect E cigarette giant Juul quits selling fruit flavored vape pods to stores Los Angeles Times