
Peptides are short chains of amino acids that act as signaling molecules, regulating metabolism, immune function, tissue repair, and cellular health.
Physician-supervised protocols. Regulatory-compliant. Built for when the landscape opens.
Unlike small-molecule drugs that override biological systems, peptides work with the body’s existing signaling infrastructure. They bind to specific receptors and initiate precise physiological responses, from triggering tissue repair to modulating immune activity to optimizing mitochondrial function.
Because they are structurally similar to the signaling molecules the body already produces, peptides tend to have narrow, targeted mechanisms of action and a safety profile that reflects that specificity.
Signaling-Based
Peptides work through biological signaling pathways, producing targeted effects that work with the body's existing machinery.
Physiologically Familiar
Structurally analogous to the body's own signaling molecules, working with biology, not against it.
Longitudinally Trackable
Crimson's lab framework monitors the biomarkers relevant to peptide-targeted pathways over time.
Each peptide below is categorized by its primary mechanism, not its target organ. Most act across multiple systems. That breadth is the point.
GHRH Analog
NAD+ Precursor
Body Protective Compound
Thymosin Beta-4 Fragment
Copper Peptide
ACTH Analog
Tuftsin Analog
Mitochondria-Derived Peptide
α-MSH C-Terminal Fragment
Delta Sleep-Inducing Peptide
Thymic Peptide
Tetrapeptide Regulator
Gonadotropin-Releasing Peptide
Szeto-Schiller Peptide
α-MSH Analog
Bremelanotide
Hypothalamic Hormone
There is growing public discussion about whether certain peptides may become more accessible in the future. But as of now, the FDA has not formally changed its position and most are not currently eligible for routine 503A compounding.
At Crimson, we take a disciplined, physician-led approach to care with rigorous standards for quality, safety, and compliance. Every treatment plan is individualized and built around what is right for the patient. As the regulatory landscape evolves, we will continue to monitor developments closely while staying focused on safe, evidence-informed care.
Join the waitlist to be notified when peptide protocols become available through Crimson.