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The practical takeaway: Injection = high systemic distribution tendons, ligaments, muscle, joints, vascular tissue Oral = high local GI concentration intestinal lining, gastric mucosa, gut repair Nasal = intermediate systemic delivery potential neurological targeting, emerging evidence only Injectable BPC-157: Highest Bioavailability for Systemic and Musculoskeletal Goals Injectable BPC-157 is the best-studied delivery method for healing applications outside the gastrointestinal tract

Bull Exp Biol Med 135(6):590592

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Federal approval is still necessary, but the recent steps suggest "remaining approvals are close at hand," Vincent Caintic, an analyst at BTIG Research, wrote in a note to clients