The best replacement for protein is carbs.

The best alternatives to protein are rated as following:
★★★★★  carbs
★★★★★  creatine
★★  whey protein
★★  carbohydrates
★★  peptide
★★  soy protein
★  amino acids
★  mass gainer
★  polypeptide
★  bcaa
★  plant protein
★  whey
★  fiber
★  weight gainer
★  moisture
★  calories
★  carbs for breakfast
★  isolate
★  amino acid
  soy
  whey isolate
  protein
  carbs after workout
  casein
  casein protein
  carbohydrate
  meat protein
  enzyme
  gene nomenclature
  dna
  carb
  steroid hormones
  carbs pre workout
  animal protein
  muscle milk
  whey protein isolate
  pea protein
  dairy
  weight gain
  carb digestion
  vegetable protein
  carbs post workout
  no protein
  hemp protein
  nucleic acid synthesis
  carbs to lose weight
  moisture hair
  carbohydrate diet
  egg protein

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

Other search terms related to protein and their ratings are:
★★★★★ creatine
★★★★ carbs
★★★ meat
★★★ fat
★★★ soy
★★★ milk
★★ no carbs
★★ working out
★★ whey
★ glutamine
★ calories
★ amino acids
★ bcaa
★ sugar
★ casein
★ fat burner
★ fiber
★ arginine
★ spirulina
powder
carbohydrates
shakes
high calories
dairy
low cholesterol
You have in mind a companion for protein and it is not yet here? Propose!



Google Trends

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