The best replacement for glycerol is glycerin.

The best alternatives to glycerol are rated as following:
★★★★★  glycerin
★★★  glycogen
★★★  glucose
★★  glycol
★★  glyceraldehyde
★  ethylene glycol
★  glycerine
★  glycerol
★  sphingosine
★  dmso
  glycine
  monoglyceride
  fatty acid
  glyceride

Your alternative for glycerol is not listed? Suggest!
Speaking about glycerol, one probably shouldn't forget about three fatty acids.

Other search terms related to glycerol and their ratings are:
★★★★★ three fatty acids
★★ 3 fatty acids attached
★★ fatty acids
★ potassium permanganate
★ boric acid
★ two fatty acids
★ 3 fatty acids
★ phthalic anhydride
★ three fatty acids attached
★ stearic acid
2 fatty acids
copper hydroxide
butyric acid
palmitic acid
You have in mind a companion for glycerol and it is not yet here? Propose!



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glycerol
glycerin
glycogen