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Vitamin B6 Dosage

For general supplementation purposes, there is no standard recommended dosage of vitamin B6. Instead, it is best to follow the Recommended Dietary Allowances for this supplement. For treating specific conditions (such as a vitamin B6 deficiency), doses are often much higher. If you have a documented vitamin B6 deficiency, follow your healthcare provider's recommendations for your dosage.

An Introduction to Vitamin B6 Dosage

The recommended dose of vitamin B6 (pyridoxine) depends on several different factors, such as:
  • Your age
  • The reason you take vitamin B6
  • Other medical conditions you may have.
As always, do not adjust your dosage without your healthcare provider's approval.

General Supplementation

For general supplementation purposes, the Recommended Dietary Allowances (RDAs) of vitamin B6 are as follows:
0 to 6 months*
0.1 mg daily
7 to 12 months*
0.3 mg daily
1 to 3 years
0.5 mg daily
4 to 8 years
0.6 mg daily
9 to 13 years
1 mg daily
14 to 50 years
1.3 mg daily
51 years and older (men)
1.7 mg daily
51 years and older (women)
1.5 mg daily
Pregnant women
1.9 mg daily
Breastfeeding women
2 mg daily
*RDAs are not established for vitamin B6 for infants under one year old; instead, an "Adequate Intake" level is provided.
For nutrients that can cause toxicity, a "Tolerable Upper Intake Level" (UL) is given. This is the maximum that can be taken (from all sources, including the diet) without causing significant toxicity. Refer to the following table for UL values for vitamin B6:
0 to 12 months
(not established)
1 to 3 years
30 mg daily
4 to 8 years
40 mg daily
9 to 13 years
60 mg daily
14 to 18 years
80 mg daily
19 years and older
100 mg daily
Pregnancy and Pain

Vitamin B6 Information

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