Peer-reviewed research
Carpal tunnel syndrome and vitamin B6
Milly Ryan-Harshman and Walid Aldoori, Canadian Family Physician, 2007
Read the originalRead on October 17, 2026
- What it is
- A short clinical review in Canadian Family Physician that answers a patient question about vitamin B6 for carpal tunnel syndrome. It summarizes the research on effectiveness and gives the upper intake level for the vitamin.
- How much weight it carries
- Peer-reviewed family medicine journal. It is a narrative clinical summary, not a trial, and it itself says the effectiveness of vitamin B6 is controversial. One author was a medical director at a consumer healthcare company, which the page lists.
Facts taken from this source
- A 2007 clinical review says the effectiveness of vitamin B6 for carpal tunnel syndrome is controversial, although many people use it as a conservative and adjunct therapy.
“Although its effectiveness is controversial, vitamin B6 is often used as a conservative and adjunct therapy in treatment of carpal tunnel syndrome” (Abstract, Answer)
- A 2007 clinical review reports that the upper limit for daily vitamin B6 has been set at 100 mg a day.
“the upper limit (UL) has been set at 100 mg/d” (Recommendations on vitamin B6 supplementation)