Probiotic And Prebiotic Supplements: How Do They Actually Work?
The science-backed lowdown on these gut-boosters minus the marketing spin…
Written by: Samantha Nice
Written on: August 5, 2025
Samantha Nice is a seasoned wellness writer with over a decade of experience crafting content for a diverse range of global brands. A passionate advocate for holistic wellbeing, she brings a particular focus to supplements, women’s health, strength training, and running. Samantha is a proud member of the Healf editorial team, where she merges her love for storytelling with industry insights and science-backed evidence.
An avid WHOOP wearer, keen runner (with a sub 1:30 half marathon) hot yoga enthusiast and regular gym goer, Samantha lives and breathes the wellness lifestyle she writes about. With a solid black book of trusted contacts (including some of the industry’s leading experts) she’s committed to creating accessible, well-informed content that empowers and inspires Healf readers.
- 1. What are prebiotics?
- 2. What are probiotics?
- 3. What’s the difference between prebiotics and probiotics?
- 4. The benefits of taking probiotic and prebiotic supplements
- 5. When to consider a supplement
- 6. How to choose the right one for your gut
- 7. Possible side effects and watch outs
- 8. The takeaway
- 9. Your questions, answered
