The most common and most likely answer to this crossword clue is the 7 letter word VITAMIN
I've seen this crossword clue in The Sunday Telegraph
V
I
T
A
M
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N
More clues leading to the result VITAMIN
- Contents of mini-vat could supply health supplement
- Beans in cans terrific, initially, with a dietary supplement
- Very with it, old dictator’s food supplement
- Palm Monsieur put in his wine as ‘food factor’
- Nutritional component in wine cheers artery
- Five take it in around morning as essential part of diets
- After 5 in the morning one can set about e.g. retinol
- It is healthy to consume contents of Ovid before the majority of training
- Energy drinks tasting awful initially in organic compound
- It takes a little time to pass very important substance
Buddy explains!

The straight part
We know that "organic compound" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case organic compound = vitamin.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 VITAMIN mean?
VITAMIN noun- Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function; found in minute amounts in plant and animal foods or sometimes produced synthetically; deficiencies of specific vitamins produce specific disorders.