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In the United States, 3-6% of the population are vitamin B12 deficient and 15-20% have marginally depleted levels
Always read the product label, understand your local climate conditions, and when in doubt-opt for refrigeration with proper sealing to avoid moisture damage
Animal sources include dairy products, eggs, fish, poultry, beef Liver Chicken Fish and shellfish such as trout, salmon, tuna fish and clams Fortified breakfast cereal Low-fat milk Yogurt Cheese Eggs If you are looking for a food fortified with B12, check the product's Nutrition Facts label
Head position: Ensure that the subject is in a tilted head position
We isolate and eliminate those variables
While age was associated with clinical symptoms, there was very little association between MMA levels and other biochemical parameters or clinical symptoms, including neurological symptoms
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