22
User score
Mostly positive20% positive0% mixed0% negative80% unclear
Of reports that state an outcome, 100% are positive.
Clinical research
Research pending
What B2 does, according to users
Of the people who reported each effect, the share who said it got better.
No specific effects reported yet.
betterno changeworse
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for B2 is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
dailyas reported
100mgas reported
100 mg4x daily
Reported side effects
How often each side effect came up across all reports.
No side effects reported so far.
What users say
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
No first-hand experiences with a clear outcome yet.
Top discussions (5)
- I would like to start a conversation about S-Adenosyl-L-Methionine (SAMe). Personally it changed my life in 2 ways. ↗
- Slow Metabolizer of Caffeine along with the Worrier Gene - Need Alternatives to Coffee ↗
- I feel so stable on this stack, why could that be? ↗
- Constantly fatigued - what do I do? ↗
- I broke down the B complex and tried everything individually ↗
More supplements
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91% report better focus
Mostly positive
Tauromag
Supplement · 41 reports
95% report better sleep
Mostly positiveDResearch: None
Psyllium Husk
Supplement · 147 reports
89% report better digestion
Mostly positiveAResearch: Strong
Cistamax
Supplement · 62 reports
92% report better mood
Mostly positiveDResearch: None
Magnesium Malate
Supplement · 167 reports
94% report better energy
Mostly positiveDResearch: None
Eurycomax
Supplement · 48 reports
85% report better mood
Mostly positiveDResearch: None
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 3, 2026. How we rate