Annals of Clinical and Laboratory Science, 45(4), 426432
The injections work by forcing your body to absorb more vitamin B12, causing your body to release more serotonin, which makes you feel good
Common symptoms include: Persistent fatigue Low energy levels Shortness of breath Dizziness or feeling faint Irregular heartbeats (palpitations) Pale or yellowish skin Reduced appetite or unintentional weight loss If left untreated, B12 deficiency can lead to serious complications, including nerve damage, cognitive issues, and changes in mood
Adverse reactions reported following methylcobalamin administration include headache, infection, nausea/vomiting, paresthesias, and rhinitis