Marcus Williams（作者）Certified Health Coach & Fitness Consultant
ACE-CHC (ACE Certified Health Coach), NASM-CPT, Precision Nutrition Level 2
專長：Healthy Living、Weight Management、Sports Nutrition、Fish Oil & Omega-3、Men's Health、Senior Wellness
Marcus Williams is an ACE Certified Health Coach and NASM-certified personal trainer with a B.S. in Kinesiology from UCLA. He previously served as a wellness consultant at Cedars-Sinai Medical Center in Los Angeles, designing integrated health programs combining nutritional supplementation with exercise prescriptions. With over 12 years of coaching experience and more than 3,000 clients served, Marcus focuses on senior wellness, evidence-based research on fish oil and Omega-3 fatty acids, and men's health. He writes regularly for leading health and fitness publications.