FDA Approved Medications For March 2026 Guideline Central Is GHK Cu Legal? FDA Approved Peptides Neurogan Health GHK Cu Peptide Therapy Brea, CA Orange County GHK Cu Peptide Regenerative & Cosmetic Research GHK Cu FDA Approval Status 2026: Not Approved January 2026 FDA New Drug Approvals Zycubo (copper histidinate) Some approvals mark progress. Others redefine what hope looks like. In January 2026, the U.S. FDA approved Zycubo (copper histidinate injection formerly