As a regenerative medicine specialist deeply dedicated to evidence-based musculoskeletal treatments , including platelet-rich plasma (PRP) therapy , stem cell therapies , and advanced interventional musculoskeletal procedures , I feel it is essential to address these questions with scientific clarity
Unlike standard oral multivitamins, this injection delivers the nutrients directly into muscle or bloodstream, ensuring full absorption
Together, they enhance angiogenesis, collagen repair, and structural regeneration
The deltoid and gluteal sites remain standard because they offer ease of access, predictable muscle depth, and lower risk of nerve or vessel injury
[41] : 975 Children diagnosed with low serum B 12 can be treated with intramuscular injections, then transitioned to an oral dietary supplement