The best replacement for metformin is glucophage.

The best alternatives to metformin are rated as following:
★★★★★  glucophage
★★★★★  insulin
★★★★  metformin er
★★★  glyburide
★★★  glipizide
★★★  clomid
★★★  metformin hcl
★★★  actos
★★★  januvia
★  janumet
★  glumetza
★  metformin xr
★  sulfonylurea
★  avandia
  glimepiride
  pioglitazone
  chromium
  spironolactone
  amaryl
  phentermine
  victoza
  byetta
  onglyza
  metformin extended release
  lantus
  acarbose
  orlistat
  tzd
  sulfonylureas

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

Other search terms related to metformin and their ratings are:
★★★★★ pcos
★★★ clomid
★★★ insulin
★★ insulin resistance
★ contrast
★ food side effects
★ side effects
★ januvia
★ low carb diet
actos
provera
glimepiride combination
high blood sugar
spironolactone
glyburide
having pcos
lantus
avandia
glipizide
You have in mind a companion for metformin and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of metformin in all years. Click on graph for more.
metformin
glucophage
insulin