Probiotics
Probiotics focus on the balance of gut bacteria. Effects differ by strain.
What it is
Supplements or foods with specific live microorganisms.
Role in the body
Thought to relate to gut bacterial balance.
Why people consider it
Considered by those mindful of gut health.
Food sources
- Yogurt
- Natto
- Miso
- Pickles
Typical labeled usage
Follow the labeled serving.
Recommended amount
Common range1–10 billion CFU / day (per label)
1× / dayDaily consistency matters
Amounts are common educational ranges based on public reference values and product labels — not individual medical advice. If you have a condition, take medication, or are pregnant or breastfeeding, consult a physician or pharmacist.
When people take it
Varies by product; follow the label.
Evidence summary
Effects are strain-specific and can't be generalized
Limited evidenceBecause results depend on strain and purpose, evidence is limited.
Who should exercise caution
Who should exercise caution
- Consult a physician if immunocompromised
Potential medication interactions
- Few notable general interactions
Possible side effects
- Temporary bloating at first
Products & brands
Related articles & packs
Monthly packs
References
- Dietary Supplement Fact Sheets — NIH Office of Dietary Supplements