
Dr. Marcus Chen, MD
Endocrinology · Metabolic Health
15+ years in metabolic medicine. Stanford-trained, GLP-1 protocol designer.
California
Consult · $75.00
The Practitioners
Every protocol is reviewed, prescribed and titrated by a U.S.-licensed physician — many fellowship-trained in endocrinology, regenerative or longevity medicine.
Board-certified
MDs & DOs reviewing every protocol
<24h
Avg. consult turnaround

Endocrinology · Metabolic Health
15+ years in metabolic medicine. Stanford-trained, GLP-1 protocol designer.
California
Consult · $75.00

Regenerative Medicine
Sports-medicine physician specializing in BPC-157 and tissue repair.
New York
Consult · $75.00

Longevity & Hormones
Cleveland Clinic fellowship. Focus on growth hormone secretagogues and NAD+.
Texas
Consult · $95.00

Internal & Preventive
Concierge medicine background. Designs sustainable GLP-1 transitions.
Florida
Consult · $85.00

Women's Health
OB-GYN turned hormonal health expert. PT-141 and perimenopausal protocols.
Washington
Consult · $85.00

Neurology · Cognition
Neurologist exploring nootropic peptides for cognitive resilience.
Illinois
Consult · $95.00