The most common and most likely answer to this crossword clue is the 9 letter word ENERGYBAR which also is the latest solution we found used in Newsday in 2012.
Source of fast-acting carbs crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ENERGYBAR | 100 % | 9 | 
Words with a meaning similar to the clue: Source of fast-acting carbs
These words may or may not be a possible solution to this crosswords clue.- rapid
 - speed
 - pasta
 - protamine
 - atm
 - scam
 - emu
 - expeditious
 - impetuous
 - speedy
 - diet
 - kwashiorkor
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution