Consumed with care! (6)

I believe the answer is:

dieted

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

'consumed' is the definition.
The definition and answer can be both related to consumption as well as being past participle verbs.
Maybe they are linked in a way I don't understand?

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for dieted that I've seen before include "Aimed to lose weight" , "Followed a food regime" , "Lost weight" , "Went on controlled food regime" , "Went on strict food regime" .)

I've seen this clue in the Evening Standard.

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