InStrips Restore Blend Peptide Buccal Strips Theres a lot of debate about whether BPC 157 needs to be injected or if the oral version works. The truth is, oral BPC 157 can be just as effective as injectablebut with one key adjustment. A small BPC 157 Oral vs Injection: Which Works Better? Healthletic The Wolverine Peptide Stack: BPC 157 + TB 500 Dosage and Protocol People talk about BPC 157 like it's one thing. It isn't. Oral BPC 157 stays local. It survives digestion long enough to act on the GI mucosa, then clears before it reaches systemic circulation.