
Dr.
Loren
Marks
Specialties
GI:IBS/SIBO, Reflux. Mental Health, CVD, Thyroid/Hormones, Diabetes
Degrees/Accreditation
DC, DACBN
BIO
Dr. Loren Marks, DC, DACBN is a Board-Certified Clinical Nutritionist and Doctor of Chiropractic with more than 40 years of clinical experience in functional medicine and metabolic health. He is the founder and clinical director of On The Mark Health & Wellness in Manhattan, where he provides advanced diagnostic and therapeutic strategies for complex chronic conditions.His clinical focus includes:Advanced blood chemistry and executive metabolic assessmentsCardiovascular risk stratification (ApoB, LDL-P, inflammatory markers)Hormone optimization (thyroid, adrenal, insulin, sex hormones)Gastrointestinal health and SIBO managementChronic pain and regenerative therapiesDr. Marks integrates conventional diagnostics with systems-based functional medicine, utilizing microbiome assessments, breath testing, food sensitivity panels, DUTCH hormone analysis, and comprehensive cardiometabolic profiling. His philosophy emphasizes that optimal health is achieved through alignment of physiology, nutrition, sleep, stress regulation, movement, and targeted supplementation.He is particularly known for his precision in laboratory interpretation and his ability to design individualized, evidence-based protocols that address root causes rather than symptoms alone.