Vitamin B6

Vitamin B6 — dosage, safety & deals FAQ

How much Vitamin B6 do you need per day?

The RDA rises with age. Adults 19-50 need 1.3 mg; men 51+ need 1.7 mg and women 51+ need 1.5 mg. Children range from 0.5 mg (1-3 yrs) to 1.0 mg (9-13 yrs). Pregnancy is 1.9 mg and lactation 2.0 mg. Infants have Adequate Intakes of 0.1-0.3 mg. — per the NIH Office of Dietary Supplements; general information, not medical advice.

Can you take too much Vitamin B6?

Yes. The Tolerable Upper Intake Level for adults 19+ is 100 mg/day. Chronic intake of 1-6 g oral pyridoxine daily for 12-40 months can cause severe, progressive sensory neuropathy with ataxia. Other effects include painful skin lesions, photosensitivity, and gastrointestinal symptoms like nausea and heartburn. — per the NIH Office of Dietary Supplements; general information, not medical advice.

What are the signs of Vitamin B6 deficiency?

Deficiency is associated with microcytic anemia, electroencephalographic abnormalities, dermatitis with cheilosis (scaling lips, cracked mouth corners), glossitis (swollen tongue), depression and confusion, and weakened immune function. In infants it causes irritability, abnormally acute hearing, and convulsive seizures. — per the NIH Office of Dietary Supplements; general information, not medical advice.

Who is most likely to need more Vitamin B6?

Groups most likely to have inadequate vitamin B6 include people with impaired renal function (end-stage renal disease, chronic renal insufficiency, dialysis, or kidney transplant), those with autoimmune disorders such as rheumatoid arthritis, celiac disease, Crohn's disease, and ulcerative colitis, and people with alcohol dependence. — per the NIH Office of Dietary Supplements; general information, not medical advice.