When combined with proper diet and exercise, patients can expect: Weight loss of 2-4 pounds per week with lifestyle modifications [3] Initial results becoming visible after approximately 30 days Enhanced fat metabolism and improved liver function [4] These injections enter the bloodstream immediately, offering faster and efficient results as compared to oral supplements [5]
S2CID 37393683
Though rare, serious allergic reactions and anaphylaxis can occur, particularly with parenteral thiamine
However, as with any supplement or medication, some side effects can occur
A recent meta-analysis of 12 observational studies found that higher dietary intake of vitamin B 12 was associated with a 23% lower risk of depression compared to lower intakes, but stratifying the data revealed a significant protective association in females, not in males (99)
Vitamin B12 injection IV or IM searches are common, but intravenous use should not be assumed unless a clinician specifically directs it