What do vaginal probiotics do?
Ask the doctor
I’ve heard probiotics can improve gut health, but what do vaginal probiotics do?Available as oral pills and powders, as well as suppositories meant to be inserted into the vagina, vaginal probiotics are often advertised as making women feel “cleaner” or healthier. Some ads even claim these products can prevent or treat yeast infections, bacterial vaginosis, or urinary tract infections. But while it’s possible that probiotics might help maintain a stable vaginal microbiome, and perhaps boost our defense against infections, there’s no strong evidence proving they actually do this. It’s also important to note that the FDA doesn’t regulate probiotics sold as dietary supplements, so there’s no guarantee that a product contains what it says it does.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online Plus (HHO+) to unlock expert-backed health insights, personalized tools, and exclusive resources to feel your best every day.
Here’s what you get with your HHO+ membership:
- Unlimited access to all Harvard Health Online content
- 4 expertly curated newsletters delivered monthly
- Customized website experience aligned to your health goals
- In-depth health guides on topics like sleep, exercise, and more
- Interactive features like videos and quizzes
- Members-only access to exclusive articles and resources
I’d like to subscribe to HHO+ for $4.99/month to access expert-backed content to help make smart, informed decisions about my well-being.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.