Yes ive had problems when having loads of all IM in upper arms
The lack of adequate cobalamin in the body hinders the regeneration of tetrahydrofolate, which eventually leads to megaloblastic anemia due to the functional folate deficiency.[9][10] On the other hand, the methylmalonyl-CoA mutase helps to metabolize odd chain fatty acids and branch chain amino acids.[5] Cobalamin is also thought to keep the bodys level of sulfhydryl (SH) groups in reduced form
TB-500 is a structurally specific G-actin sequestering peptide with the strongest evidence in cardiac progenitor biology, dermal and corneal wound healing, and migratory contributions to soft-tissue repair
You want guidance on peptide safety, sourcing, dosing concepts, and best practices
Anyone using BPC-157 should consider that the safety and risks are completely unknown in humans, the dose required to create a therapeutic effect is unknown, the long term implications for using BPC-157 is also unknown