other
Probiotics
Live microorganisms with strain-specific effects on gut and immune health.
What It Does
Probiotic benefits are condition- and strain-specific.
Not all products have equivalent evidence or viable colony counts.
Who Needs It Most
| Demographic | Target Intake | Upper Limit |
|---|---|---|
| all, digestive | 10-30 billion CFU | No established UL |
Signs of Deficiency
- No deficiency state; use is goal-specific
Best Food Sources
Yogurt/kefir
Variable strains
Fermented foods
Variable
Supplement Guide
Best forms: Strain-identified products, CFU and storage clearly stated
What to look for: Evidence for target condition
What to avoid: Generic broad claims without strain detail
Timing: As directed; often before meals.
Who Should Avoid It
No major common contraindications in our database for this nutrient. Always check medication interactions.
The Research
PubMed citations are temporarily unavailable.
NIH Fact SheetWant personalized dosing?
Take the VitaGuide quiz to build your stack based on your profile.
Take the Quiz