Conclusion: Two published articles suggest that probiotics may enhance the immune responses of fatigued athletes. In summary, although scientific evidence for an ergogenic effect of probiotics is lacking, probiotics may provide athletes with secondary health benefits that could positively affect athletic performance through enhanced recovery from fatigue, improved immune function, and maintenance of healthy gastrointestinal tract function.
PubMed 17618005 ↗Sauerkraut
People mainly take Sauerkraut for digestion, anxiety, mood. Based on 16 first-hand reports and 1 meta-analyses & systematic reviews in the medical literature. Ranked #750 of 1,974 overall.
Of reports that state an outcome, 100% are positive.
What Sauerkraut does, according to users
Of the people who reported each effect, the share who said it got better.
3 more with fewer than 3 reports
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
At least one meta-analysis, or 5+ randomized controlled trials. The grade measures how much human research exists — read the conclusions below for what it found.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Adhd people, according to my naturopath typically lack a gut bacteria known as plantarum, dietary sources may include sauerkraut or sour dough”
“I rotate between kimchi, natto and sauerkraut(refrigerated jar version).”
“Try NAC, liver and sauerkraut.”
“Homemade 4 week fermented Sauerkraut is incredible...A few of my allergies are gone, anxiety is gone, oral thrush is gone.”
“If you like saurkraut, you could look into making your own. It's a good vehicle for probiotics.”
Top discussions (5)
- If you want to fix your gut health, here are 20 tips I could come up with: ↗
- 24M – HRV went from 28 to 71 after i started eating an alarming amount of fermented cabbage every morning ↗
- Which foods do you eat every single day for nutritional/biohacking purposes? ↗
- My nootropic morning / My morning routine (from a user with over 3 years experience) ↗
- Probiotics - Brain-gut axis, my experience and yours, mood benefits, what has helped and what not, discuss here. ↗
Other options for digestion
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate