+ Does the elixir contain any caffeine? May 13, 2019 01:39 Updated Follow Yes, there is caffeine from the Matcha tea powder and Green tea extract. Related articles + Can I add anything to the Elixir to improve the taste? + Can I prepare my elixir and leave it in the fridge for tomorrow? + When do I drink the elixir? + How often should I drink the elixir? + Can I drink the elixir at night?