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No evidence of long-term systemic, hormonal, or organ-specific toxicity has been reported in available preclinical data

This elevated TIMP-to-MMP ratio creates an environment where damaged tissue gets cleaned up while new tissue gets protected

10.1038/s41598-018-20014-y Sci Rep

Research into BPC 157 is ongoing, and more studies focusing specifically on dogs are needed to fully understand the range of benefits it may have to offer

Better Sleep Quality: While not a direct sleep aid, by improving overall energy metabolism and nervous system function, B12 can indirectly contribute to more regulated sleep patterns and improved sleep quality for some individuals

Both remain on the FDAs restricted compounding list as of May 2026