Following parenteral administration of iron dextran, haemoglobin levels rise more rapidly than after oral administration of iron salts, despite the absence of any dependence of iron incorporation kinetics on the route of administration
The systematic review protocol was registered in the International Prospective Register of Systematic Reviews (PROSPERO), registration number: CRD42024554513 (Available from) ( 2.2 PICOs question The primary research question addressed in this review was: What is the effectiveness of sublingual/oral administration of Vitamin B12 alone or compared to other forms of administration (e.g., intramuscular injection)?
Collagen is essential for wound healing, maintaining healthy skin, and supporting the structure and integrity of various body tissues
arXiv preprint arXiv:2502.14239
If people lose weight while getting mic b12 shots , it may be driven mainly by the surrounding program (dietary changes, activity, counseling, and consistency), rather than the injection formula itself
