Wolverine stack injection site.

No — most people do not inject BPC-157 or TB-500 directly into the injury site.

They’re commonly injected:

• Subcutaneously (under the skin) in areas like the stomach, thigh, or upper arm

• Sometimes “near” the injury out of preference, but there’s limited evidence that this works better

TB-500 is generally considered systemic, meaning it circulates through the body after injection.

BPC-157 is often discussed online as being more “localized,” but there’s no strong human clinical evidence proving site-specific injections are superior.

A few important things:

• These compounds are not approved medicines for injury treatment in the UK or US

• Human research is still limited

• Risks include contamination, dosing mistakes, injection infections, and unknown long-term effects

If the injury is serious, worsening, swollen, hot, numb, or not healing properly, getting it checked professionally is safer than trying to manage it entirely yourself.