If it's not from an animal it's not carnivore. There are no carnivore police either so, you do you.

The safest way to get nutrients from plant leaves is via a tea or stock. Cooking tends to neutralize plant toxins & plant fibres are filtered out.

Yerba Mate is a nice tea when fasting or when giving up coffee. It used to make me feel more alert in the afternoons but never seemed to affect my sleep.