Background: Diabetes is a global pandemic, especially in Arab countries. Aim: The goal of
this study was to review the published studies that were conducted to determine the …

Objectives: To assess the presence of vitamin B12 deficiency among metformin users and
associated factors in patients with type 2 diabetes mellitus. Methods: An observational cross …

Methods: We conducted a cross-sectional study at the diabetic clinics of four hospitals in
Riyadh, Saudi Arabia. Type 2 diabetes mellitus patients who were on metformin for at least 1 …

Metformin is the most-used drug in type 2 diabetes mellitus management and its long-term
use may consequent to vitamin B12 deficiency. The lack of studies from Libya investigating …

Objectives Long-term metformin is associated with vitamin B12 deficiency. There is a
significant misunderstanding among both physicians and patients regarding vitamin B12 …

Abstract Background: Type-2 Diabetes Mellitus is a chronic metabolic disease characterized
by inappropriate hyperglycemia and defects in insulin function. Vitamin B12 is an essential …