Evidence
1 record1 recordBest grade:Moderate
Biomarkers
Mood / Wellbeing
Research shows moderate evidence for Vitamin B6's effectiveness in improving PMS mood symptoms and providing a modest antidepressant effect when combined with magnesium. However, more studies are needed to fully understand its benefits and optimal dosing.
PMS symptoms / moodWomen with PMS; adults with depression · RCTsModerate
PMS symptoms / mood
Women with PMS; adults with depression · RCTs
Consistent improvement in PMS mood symptoms; modest antidepressant signal when combined with magnesium.
Dose: 50 mgDuration: 2–3 menstrual cycles
High doses (>200 mg/day long-term) can cause peripheral neuropathy.
Stacks containing Vitamin B6 (Pyridoxine)
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Community Insights
Forms & usage▾
How to take it
Take 1.3 to 2.0 mg daily, preferably in the P5P form, with food.
Pyridoxine HCl
Standard form.
Pyridoxal-5-phosphate (P5P)
Active coenzyme form.
Safety & trade-offs2▾
Neural
Peripheral neuropathy (tingling/numbness in hands and feet) with sustained high doses
Context: doses >100mg/day for months
Tolerance
Pyridoxine HCl form associated with higher neuropathy risk — P5P (active) form better tolerated at therapeutic doses
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