Vitamin B12: Fact sheet for health professionals
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Critically, there is no rigorous, comparative research to definitively prove the methods are equally effective or interchangeable
This includes the following patient groups: - Those who follow a strictly vegan diet - Those over the age of 50 - Those who take certain medications that are known to inhibit the absorption of B12 - Those who have an autoimmune disorder - Those who have gastrointestinal disorders - Those who have issues with stomach ulcers, atrophic gastritis, and other similar health problems SYMPTOMS OF A B12 DEFICIENCY Whether you fall into any of the categories above or not, there are certain signs to be aware of that could mean that you are suffering from a vitamin B12 deficiency
[1] However, any pronounced color change (for example, turning brown) or development of a precipitate should be treated with caution
It happens regularly, and the resulting nausea and vomiting can be severe