How is “take effect” used?

In Almost Famous (2000), one line is: “Your mind is starting to take effect.”

Which movie is “take effect” from?

The clip at the top of this page is from Almost Famous (2000).

Idiom

to start to produce the results that are intended

Heard in 5 movies

1
to start to produce the results that are intended
The aspirins soon take effect.
2
to come into use; to begin to apply
The new law takes effect from tomorrow.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

Your mind is starting to take effect.

Said in 5 films · #1