It is best to discuss drinking alcohol with your healthcare provider for an individualized approach. Some of these factors include overall health status and whether you are adept at managing your blood sugar, says Smith
Peripherally, pancytopenia is most often observed, but only 12 of the major cell types (erythrocytes, leukocytes, platelets) may be depressed in some cases
Human evidence for precursors is mixed: some trials report good safety, but metabolic endpoints such as insulin sensitivity have not consistently replicated in people
People with a history of eating disorders (anorexia or bulimia)
Cost & Convenience Oral supplements are cheaper, widely available over-the-counter, and more convenient
This is likely placebo effect or vasodilation response, as tissue B12 saturation requires 24-48 hours