57d50aa9_Health_Information_Library__Why
[Used for] 2 Stars Asthma 100 to 200 mg daily [Why] 
Vitamin B6 deficiency is common in asthmatics. Supplementing with the vitamin may decrease the frequency and severity of asthma attacks. Vitamin B6 deficiency is common in asthmatics.47 This deficiency may relate to the asthma itself or to certain asthma drugs (such as theophylline and aminophylline ) that deplete vitamin B6.48 In a double-blind trial, 200 mg per day of vitamin B6 for two months reduced the severity of asthma in children and reduced the amount of asthma medication they needed.49 In another trial, asthmatic adults experienced a dramatic decrease in the frequency and severity of asthma attacks while taking 50 mg of vitamin B6 twice a day.50 Nonetheless, the research remains somewhat inconsistent, and one double-blind trial found that high amounts of B6 supplements did not help asthmatics who required the use of steroid drugs.51
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