Home - Caffeine - Energy Drinks Source 1899 (UK) Source 1899 (UK) Caffeine 80 mg per 250.19181 ml Switch to fl oz Calories: 58 kcal You Might Also Like:Phoenix Energy ShotNutramint Smart SerumReed’s Ginger Energize ShotForto Organic Coffee ShotNeu Nootropic ShotX-Mode Energy ShotPerformance CaffeineKirkland Energy ShotBalance Energy ShotRed Thunder Energy Shot