Vascular issues unrelated to peptide use can cause localized swelling
However, it is important to note that methylcobalamin is less stable than cyanocobalamin, particularly when exposed to light, and may degrade more rapidly in storage
One study in the The Journal of Allergy and Clinical Immunology found that some injected forms of B vitamins at higher doses, like B12, can be linked with an allergic reaction
The quinoline ring contains an amino group at position 5 and a methyl group at position 1 [3]
Is Numbness Normal After Surgery
These side effects include cataracts, steroid-induced diabetes, and bone problems such as osteoporosis and avascular necrosis (AVN), a condition in which the bone dies due to inadequate blood supply