The best peptide companies are divided into 2 categories: research vendors and GMP manufacturers
Last reviewed: May 30, 2026 Last updated: May 30, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Key benefits reported in research and clinical use include: Gut healing: BPC-157 has shown remarkable ability to accelerate healing of the gastrointestinal tract, making it popular among patients with leaky gut syndrome, inflammatory bowel conditions, and NSAID-induced gut damage
If the PCAC recommends a peptide be placed on the 503A Bulk List and the FDA extends that discretion, he says, pharmacies could begin compounding it well before the rule is finalized
Boost immune system