The most common and most likely answer to this crossword clue is the 6 plus 4 letter word ATKINS DIET
I've seen this crossword clue in The Guardian
A
T
K
I
N
S
D
I
E
T
More clues leading to the result ATKINS DIET
- Poles stop working at rig cladding for regime
- Regime with a skint, corrupt parliament
- Cook steak dinner primarily? Win, having lost weight with it?
- Unhappy naked? Is it time you went on it?
- Low-carbo food. Eat, it’s kind cooking
- Regime to reduce after this, primarily? Family perish in street …
- Is it taken grimly with a touch of determination?
Buddy explains!
The straight part
We know that "Is it time you went on it?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case is it time you went on it? = atkins diet.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.