No long-term data specifically addresses this question for peptide nasal sprays
Answer: BPC-157 and TB-500 are both synthetic (laboratory-made) peptides that have been promoted for many uses based mainly on findings in animal studies: BPC-157 for improving bone and joint health, stomach ulcers, bladder pain, athletic performance enhancement, and anti-aging effects, and TB-500 for wound healing, injury recovery, strength and endurance
But theres a lesser-known, clinically-backed supplement thats been quietly making waves in wellness and medical communities alike: Vitamin B12 injections
However, its important to discuss your medical history with a healthcare provider to ensure its the right treatment for you
We need much bigger, better-designed studies before we can call this a proven treatment