Older adults are generally at higher risk of B12 deficiency due to decreased absorption capacity
The Journal of clinical endocrinology and metabolism 87 , 28432848, (2002)
J Hazard Mater 384:121390 Cerri S, Milanese C, Mastroberardino PG (2019) Endocytic iron trafficking and mitochondria in Parkinsons disease
Injectable Dosage (Subcutaneous or Intramuscular) Typical Range: 250500 mcg per day Administration: Inject subcutaneously near the injury site or systemically (abdomen) for full-body support Split doses (e.g., 250 mcg morning, 250 mcg evening) are common for sustained healing response Often used for 24 weeks , then cycled off or tapered depending on recovery progress BPC-157 promotes tendon outgrowth, cellular survival, and healing when administered directly into or near damaged soft tissues (Gwyer et al., Frontiers in Pharmacology)
Both topical and injectable GHK-Cu can support skin health, but the delivery method determines the effect