The best replacement for carbohydrates is calories.

The best alternatives to carbohydrates are rated as following:
★★★★★  calories
★★★★  protein
★★★  lipids
★★★  fats
★★★  sugar
★★  sugars
★★  fat
★★  bad carbohydrates
★★  complex carbohydrates
★★  proteins
★  fiber
★  simple carbohydrates
★  starch
★  starches
★  net carbs
  simple sugars
  lipids energy storage
  lipids in energy storage
  hydrocarbons
  protein diet
  carbohydrates
  complex
  glucose
  whole grains
  net carbohydrates
  glucides

Your alternative for carbohydrates is not listed? Suggest!
Speaking about carbohydrates, one probably shouldn't forget about fiber.

Other search terms related to carbohydrates and their ratings are:
★★★★★ fiber
★★★★★ protein
★ grains
★ bread
★ alkali
★ those of proteins
You have in mind a companion for carbohydrates and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of carbohydrates in all years. Click on graph for more.
carbohydrates
calories
protein