Dietary sources of B12 are almost exclusively animal-derived and include: Meat and poultry Fish and shellfish Dairy products and eggs Fortified foods such as certain breakfast cereals and plant-based milks B12 is absorbed in the small intestine with the help of a protein called intrinsic factor , produced by the stomach lining
Platforms are becoming more cautious, especially when it comes to products that require proper handling or can be misunderstood
Plus, animal research suggests that vitamin B12 may affect body fat and metabolism
Pikal MJ, Rigsbee D, Roy ML, et al
People with a history of allergies should pay attention to the benzyl alcohol content
A common pattern is a Myers Cocktail (which already has B12) once or twice a month, plus a quick standalone B12 shot in between if energy dips during a heavy stretch