The most common and most likely answer to this crossword clue is the 5 letter word VIALS
I've seen this crossword clue in Financial Times
V
I
A
L
S
More clues leading to the result VIALS
Buddy explains!

The straight part
We know that "bottles" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bottles = vials.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VIALS mean?
VIALS noun- A glass vessel or bottle, especially a small tube-shaped bottle used to store medicine, perfume or other chemical.
- To put or keep in, or as in, a vial.