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Why Are My Probiotics Not Working?

Probiotics are affected by gene makeup, age, and microbiome in your body.

Probiotics are affected by your unique gene makeup, age, and microbiome you already have in your body and diet. Reasons why a probiotic may not work include:[1]

  • Incorrect dosage (insufficient amount of CFU);
  • Not taken correctly: follow the product directions on how to take it;
  • Wrong strain of probiotics: not all strains work for all symptoms;
  • Poor product quality: probiotics are fragile, they must survive manufacturing, storage and your stomach acid to be effective in your intestines;
  • Improper storage.
  1. Malini Ghoshal, RPh, MS. Jillian Kubala, MS, RD. (2020). ‘How Long Does It Take for Probiotics to Work?’ Healthline. 14 January. Available at: <>





Please note that all medical articles featured on our website have been reviewed by qualified healthcare doctors. The articles are for general information only and are not medical opinions nor should the contents be used to replace the need for a personal consultation with a qualified medical professional on the reader's medical condition.

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