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Reduced Side Effects : Nasal sprays bypass the gastrointestinal tract, reducing the risk of gastrointestinal irritation and improving overall tolerance
Injections are usually given in the upper arm, the bottom, or in the upper thigh
Talk to your doctor for medical advice
Gel formulations of vitamin B12 are somewhat new and applied into the nostrils (intranasally)
While they do not cause cancer, their mechanism could theoretically support the blood supply to a tumor
however it is not FDA approved for this area
US$ 22.76
US$ 26.01
US$ 24.16
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