3) Vitamin B6
In several research studies, vitamin B6 deficiency has been associated with carpal tunnel syndrome. A study by the Portland Hand Surgery and Rehabilitation Center in Oregon examined 441 people and found that higher levels of vitamin B6 were associated with fewer carpal tunnel syndrome symptoms. Researchers also found that higher levels of vitamin C relative to lower vitamin B6 levels were associated with a higher prevalence and greater frequency of carpal tunnel symptoms.
A Japanese study of 174 university students found that students with lower levels of vitamin B6 showed symptoms of carpal tunnel syndrome.
Food sources of vitamin B6 include sweet potatoes, avocados, brown rice, sunflower seeds, chick peas, salmon, pork, chicken, turkey, potatoes, bok choy, barley, bananas, and mangoes.
Risk factors for vitamin B6 deficiency:
- diet lacking in vitamin B6
- use of oral contraceptives or HRT
- consumption of foods containing yellow dye #5, such as some types of macaroni and cheese and pickles
- stress
A typical dose of vitamin B6 for carpal tunnel syndrome is 50 mg 2 to 3 times a day. Side effects may include increased urination. It can take up to 6 weeks to notice an improvement. The maximum intake from all sources should be less than 200 mg a day, unless otherwise recommended by your doctor.
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8 Natural Remedies for Carpal Tunnel Syndrome
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