What is the best drink for cancer patients?

What is the best drink for cancer patients?
The National Cancer Institute (NCI) provides the following list of clear liquids:

Bouillon.
Clear, fat-free broth.
Clear carbonated beverages.
Consommé
Apple/cranberry/grape juice.
Fruit ices without fruit pieces.
Fruit ices without milk.
Fruit punch.

The National Cancer Institute (NCI) provides the following list of clear liquids:
  • Bouillon.
  • Clear, fat-free broth.
  • Clear carbonated beverages.
  • Consommé
  • Apple/cranberry/grape juice.
  • Fruit ices without fruit pieces.
  • Fruit ices without milk.
  • Fruit punch.