summary Vitamin B12 is found in animal products and fortified foods
It is crucial to have a proper diagnosis before beginning B12 supplementation to avoid overuse or unnecessary treatment
Chicken: 1 piece (174 g) provides 15% of the DV (22,30)
While topical application has minimal systemic absorption, the precautionary principle suggests avoiding use during pregnancy unless a healthcare provider approves
Oral Vitamin B12 Supplements: How They Work Oral vitamin B12 supplements come in various forms, including tablets, capsules, soft gels, and liquid solutions
Cardiovascular complications: These may include increased heart rate, difficulty breathing, chest pain, high blood pressure, and heart failure