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Product Description Cyanocobalamin (Hyper B12) is a sterile, pyrogen free solution of high dose VitaminB12(Cyanocobalamin) for intramuscular injection
Mast cell activation syndrome (MCAS) frequently co-occurs with Long COVID and dysautonomia, creating a complex web of overlapping symptoms
The most commonly reported reactions include slight skin irritation, redness, or a feeling of sensitivity where the product was applied
Sikiric P
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