You may be at higher risk if you: Follow a vegan or vegetarian diet Eat very little meat, fish, eggs, or dairy Are over the age of 50 Have digestive conditions affecting absorption Take certain medications, such as metformin or acid-reducing medicines Have had certain stomach or bowel surgery Have pernicious anaemia or absorption problems People in higher-risk groups may benefit from advice, testing, or treatment depending on their symptoms and medical history
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2012 Salehi M, Aulinger B, Prigeon RL, et.al
Sutherland ER, Crapo JD, Bowler RP
Some clinics and wellness centers offer package deals that can reduce the overall cost
A single serving of beef contains nearly all of the recommended daily allowance