Beta Thalassaemia TIF Vitamin B12 Injections B12 Shots Palm Springs & Corona, CA Buy Vitamin B12 Injections, 2000mcg Vitamin B12 Direct Full article: A Case of Pernicious Anemia with Concurrent Beta Thalassemia Minor Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL Thalassemia: High Yield Notes Inherited microcytic anemia ( globin chain production) severity varies from trait (mild) to major (severe) Key Concept Microcytosis from reduced hemoglobin synthesis Trait often mild asymptomatic;