Knows everything put into mine tonics (10)

I believe the answer is:

omniscient

I'm a little stuck... Click here to teach me more about this clue!

'knows everything put' is the definition.
I can't tell whether this definition defines the answer.

'mine tonics' is the wordplay.
'mine tonics' anagrams to 'OMNISCIENT'.
But, I'm not clear how the anagram is indicated.

'into' is the link.

Can you help me to learn more?

(Other definitions for omniscient that I've seen before include "All-knowing" , "Knowing everything" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.