The most common and most likely answer to this crossword clue is the 8 letter word INEDIBLE
I've seen this crossword clue in The Sunday Telegraph
I
N
E
D
I
B
L
E
More clues leading to the result INEDIBLE
- Bile about fashionable journalist initially hard to take in
- Absurd, getting no credit? Not to be stomached
- Hard to believe doing without credit, hard to swallow
- US politician in priest turned rotten
- Dine out in France: the starters of intestines and brains ingested – unfit for consumption
- Dine at sea, stimulating bile, and any food might seem thus
- Difficult to believe credit will be cut, or hard to swallow?
- Unpalatable order: lie in bed
- Not good to eat in bed and lie in mess
- The Spanish order English province to be returned? That’s unpalatable!
Buddy explains!

The straight part
We know that "that’s bad for consumer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’s bad for consumer = inedible.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 INEDIBLE mean?
INEDIBLE noun- Anything inedible; that which is not a foodstuff.
- Not edible; not appropriate, worthy, or safe to eat