Individuals with chronic obstructive pulmonary disease (COPD) may experience improved lung function

http://milouaav067.theglensecret.com/the-role-of-vitamin-b12-in-reducing-the-risk-of-macular-degeneration-1

Individuals with chronic obstructive pulmonary disease (COPD) may experience improved lung function and reduced breathlessness with methylcobalamin B12 supplementation