When your pet breathes these in every day, their body reacts by releasing more and more histamine
How B12 Injections Work Unlike oral supplements, B12 injections deliver the vitamin directly into the bloodstream, bypassing the digestive system and ensuring better absorption
However, hydroxocobalamin is better tolerated by sensitive individuals and those with histamine issues
Not for human use, veterinary use, or ingestion of any kind
On the skin side, pallor, a yellowish tinge, dryness, hyperpigmented patches (particularly on the hands or face), and mouth or tongue soreness are classic signs
Puig M, Shubow S (2025) Immunogenicity of therapeutic peptide products: bridging the gaps regarding the role of product-related risk factors