The best replacement for k2 is everest.

The best alternatives to k2 are rated as following:
★★★★★  everest
★★★  rollerblade
★★★  weed
★★  burton
★★  k3
★★  spice
★★  salvia
★  k3 edta
★  zoo
★  yeti
★  rossignol
★  easyblog
★  nintex
★  marijuana
★  k4
★  mount everest
★  annapurna
  t2
  yeti coolers
  atomic
  everest which is harder
  serenity
  mt everest
  real weed
  flow bindings
  skelta
  salomon
  kush
  godwin austen
  ntk

Your alternative for k2 is not listed? Suggest!
Speaking about k2, one probably shouldn't forget about d3.

Other search terms related to k2 and their ratings are:
★★★★★ d3
★★★ nattokinase
★★★ vitamin d
★★ jomsocial
★★ calcium
★ community builder
★ vitamin d3
You have in mind a companion for k2 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of k2 in all years. Click on graph for more.
k2
everest
rollerblade