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Daily Source of Vitamin B12 Fortified foods, such as some breakfast cereals and types of nutritional yeast, can provide another
Giving a Subcutaneous Injection Hold the syringe in your hand as though you are holding a pencil or a dart
Sublingual B12: Pros and Cons Sublingual B12 supplements dissolve under the tongue, where some of the vitamin may be absorbed through the tissues in the mouth before being swallowed
However, recent clinical evidence suggests the picture is more nuanced than previously understood
In addition to the symptoms above, B12 deficiency may lead to the following: Muscle cramps and muscle weakness : B12 deficiency negatively impacts motor and sensory nerve function, which can cause muscle cramps and weakness (7,27)
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