Supplements added to each of this puzzle's theme answers

Question:

Answer:

VITAMINS

Length:

Similar Crossword Questions:

HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Like the theme answers in this puzzle?
"Gosh!" (or, based on the starts of starred answers, one who is expert at solving this puzzle's theme?)
Easy, and what this puzzle's theme answers literally are
Feature of this puzzle's theme answers?
Alternative words used as alternatives for each other in this puzzle's theme answers
Some film credits, and the idea behind the eight theme answers in this puzzle
Write in any of this puzzle's eight theme answers?
What this puzzle's theme answers contain (if you look closely enough)
Shoe additions, and what this puzzle's theme answers contain
New element in each of this puzzle's theme answers
Wise guys featured in this puzzle's theme answers
What one must have to solve this puzzle's theme answers
Big fight, and clue to this puzzle's theme that begins the four longest answers
Each of the titles in this puzzle's theme answers, e.g.
___ to school . . . or a hint to the puzzle theme suggested by the ends of five answers
Element of surprise in this puzzle's theme answers
What one gets by multiplying the numbers in this puzzle's theme answers
They swing up and down in this puzzle's theme answers
It's soft, strong, and demonstrated by this puzzle's four theme answers
Agent "embedded" in this puzzle's theme answers
Letters for the names "buried" in this puzzle's theme answers
"Home work" letters that appear at both ends of this puzzle's theme answers
What each completed pair of theme answers in this puzzle is
Struck out, as one letter in each of this puzzle's theme answers