The best replacement for stool softener is laxative.

The best alternatives to stool softener are rated as following:
★★★★★  laxative
★★  miralax
★★  suppository
★★  fiber
★  metamucil
★  fiber supplement
★  enema
★  milk of magnesia
★  osmotic laxative
★  fiber pills
★  laxative constipation
  mineral oil
  mild laxative
  milk magnesia

Your alternative for stool softener is not listed? Suggest!
Speaking about stool softener, one probably shouldn't forget about laxative.

Other search terms related to stool softener and their ratings are:

★★★★★ laxative
★★★★ stimulant laxative
★★★★ iron
★★ stimulant
★★ iron supplement
★★ senna
You have in mind a companion for stool softener and it is not yet here? Propose!

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stool softener