What junkies get without fruit-based vitamin supplements (9)

I believe the answer is:

additions

'supplements' is the definition.
(a supplement is added to something else)

'what junkies get without fruit-based vitamin' is the wordplay.
'what junkies get' becomes 'addictions' (drug addictions).
'without' indicates named letters should be taken away.
'fruit-based vitamin' becomes 'C' (Vitamin C is found in many fruits).
'addictions' with 'c' removed is 'ADDITIONS'.

I've seen this clue in The Guardian.

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