Eat more animal-based foods
Include beef, liver, chicken, fish, eggs, and dairy
Use fortified foods such as breakfast cereals, plant milks, and nutritional yeast
Take a vitamin B12 supplement
Use sublingual B12 if preferred
Consider B12 injections if prescribed
Check for absorption problems
Treat low stomach acid or digestive issues if present
Review medications that may reduce B12 levels
Get blood tests to monitor B12 status
Follow a doctor’s advice for dosing and treatment