Quick guide to Vitamin B6 (Pyridoxine)
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- the release of energy from food
- healthy cardiovascular, nervous and immune systems
- protein metabolism and hormone production
- healthy skin, hair and red blood cells
- manufacture of the genetic material of the cell
- the conversion of tryptophan to niacin
Absorption and metabolism
Daily intake is necessary.
Deficiency
Symptoms include weakness, poor appetite, dermatitis, a sore mouth, susceptibility to infection, and eventually, convulsions and anemia. Deficiency may play a role in heart disease, kidney stone formation, carpal tunnel syndrome and depression.
Sources
These include meat, fish, eggs, milk and whole grains.
Daily recommended dietary intakes
- Men - 1.3 mg
- Men (over 50) - 1.7 mg
- Women - 1.3 mg
- Women (over 50) - 1.5 mg
- Pregnancy - 1.9 mg
- Lactation - 2.0 mg
Toxic effects of excess intake
High doses for long periods may cause nerve damage.
Therapeutic uses of supplements
These include asthma, cardiovascular disease, mood disorders, PMS, stress, carpal tunnel syndrome, fatigue, nausea of pregnancy, skin problems and kidney stones.
Interactions
Alcohol, smoking, estrogen, some antibiotics and antidepressants may increase requirements.
Cautions
Those taking the anti-Parkinsonian drug, levodopa, or anticonvulsant drugs should consult a doctor before taking supplements.