The best replacement for kefir is yogurt.

The best alternatives to kefir are rated as following:
★★★★★  yogurt
★★★  greek yogurt
★★★  kombucha
★★★  buttermilk
★★  milk
★★  probiotics
★  sour milk
★  probiotic supplements
★  milk kefir
★  yakult
★  activia
★  probiotic pills
★  lassi
★  sauerkraut
★  yogurt-which is best
★  ayran
  align
  yogurt probiotics
  yogurt which is best
  kimchi
  probiotic supplement
  dairy kefir
  lecab
  tibicos
  probiotic
  labneh
  raw milk
  water kefir
  laban

Your alternative for kefir is not listed? Suggest!
Speaking about kefir, one probably shouldn't forget about raw milk.

Other search terms related to kefir and their ratings are:
★★★★★ raw milk
★ coconut water
You have in mind a companion for kefir and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of kefir in all years. Click on graph for more.
kefir
yogurt
greek yogurt