Tea Time: Vitamin B12
- Role in body
- red blood cell formation
- cell metabolism
- nerve function
- production of DNA
- Vulnerable populations
- Vegans
- Older adults
- Those with undiagnosed or poorly managed celiac
- Other conditions that affect absorption of nutrients
- Bariatric surgery
- Renal disease
- Those taking certain medications
- metformin
- PPIs
- Colchicine for gout
- aminosalicylic acid
- RDA for adults: 2.4mcg (Excess is not absorbed)
- Signs of deficiency
- weakness, tiredness, lightheadedness
- palpitations, shortness of breath
- pale skin
- constipation, diarrhea, loss of appetite
- numbness or tingling, muscle weakness
- vision loss
- Sources
- Animal products
- Meats (red meat, poultry, fish)
- Eggs
- Dairy
- Animal products
- Vitamin C can interact