Unfortunately, insurance does not cover B12 injection
This initial push helps get your body accustomed to the nutrients and allows you to start seeing some changes
Potential benefits associated with Vitamin B12 support include

Comparison CompoundClassPathway / targetResearch focusFormat BPC-157Gastric pentadecapeptideCytoprotection / angiogenesisGut & soft-tissue repairVial TB-500Thymosin beta-4 peptideActin binding / cell migrationWound & tendon repairVial TB-500 (Frag)Thymosin beta-4 fragmentActin-binding domainCell migration researchVial BPC-157 + TB-500Peptide blendCytoprotection + actin signallingCombined repair researchVial GLOWPeptide blendCopper-peptide + repair peptidesDermal & connective-tissue researchVial KLOWPeptide blendRepair peptides + anti-inflammatoryCombined repair & inflammation researchVial BPC-157 Arginate CapsulesGastric pentadecapeptide (salt form)Cytoprotection / angiogenesisOral-route repair researchCapsules BPC-157 Arginate + TB-500 CapsulesPeptide blend (salt form)Cytoprotection + actin signallingOral-route combined researchCapsules TB-500 CapsulesThymosin beta-4 peptideActin binding / cell migrationOral-route repair researchCapsules Every compound in this category is supplied as Research Use Only material with: Peer-reviewed literature underpinning this category

The third family, IGF-1 LR3, skips the GH-signaling step entirely, binding directly to the IGF-1 receptor on muscle tissue and activating the PI3K/Akt and MAPK pathways tied to cell growth
These include things such as lean beef, fatty fish, eggs, dairy, clams and fortified cereal