Metformin is preferred over phenformin because:
A. It is more potent
B. It is less liable to cause lactic acidosis
C. It does not interfere with vitamin B12
absorption
D. It is not contraindicated in patients with
kidney disease
A. It is more potent
B. It is less liable to cause lactic acidosis
C. It does not interfere with vitamin B12
absorption
D. It is not contraindicated in patients with
kidney disease