The National Academy of Sports Medicine (NASM) is one of the most widely recognized personal-training certifiers, best known for its OPT (Optimum Performance Training) model. Its NCCA-accredited CPT credential, along with specializations in nutrition coaching, corrective exercise, and performance enhancement, is used in gyms and studios across the country.
NASM is accepted by virtually every major commercial gym chain and is among the most requested certifications in fitness hiring. The evidence-based OPT model gives trainers a structured programming framework that employers and clients trust.
NASM · NASM-BCS
A specialization certification that validates expertise in behavior change coaching, helping fitness professionals guide clients toward lasting lifestyle modifications and psychological resilience.
NASM · NASM-CNC
Earn your NASM Certified Nutrition Coach credential to guide clients on personalized nutrition strategies and behavior change in fitness and wellness settings.
NASM · NASM-CPT
Entry-level fitness certification validating foundational knowledge of personal training techniques, exercise science, and client assessment methods.
NASM · NASM-CSNC
Master the science of athletic nutrition to optimize performance, recovery, and body composition for individual athletes and teams.
NASM · NASM-CWC
Gain science-backed expertise in holistic health coaching, covering behavior change, movement, nutrition, and mental wellness to guide clients toward sustainable lifestyle transformation.
NASM · NASM-CES
Advanced certification for fitness professionals specializing in movement assessment and corrective exercise programming to address movement compensations and functional limitations.
NASM · NASM-GPTS
Specialization credential for personal trainers to coach small-group training sessions, covering business, program design, and client motivation techniques.
NASM · NASM-MMACS
Advance combat sports conditioning expertise with NASM's specialist credential covering MMA-specific periodization, energy systems, injury prevention, and fight preparation strategies.
NASM · NASM-PES
The NASM Performance Enhancement Specialist (PES) certification validates expertise in coaching athletes and optimizing performance through science-based training programs, assessment protocols, and sport psychology strategies.
NASM · NASM-SFS
Advanced certification validating expertise in designing and delivering safe, evidence-based fitness programs for older adults and those with chronic conditions.
NASM · NASM-SFC
The NASM Stretching and Flexibility Coach specialization certifies fitness professionals to design and implement evidence-based stretching and mobility programs that enhance client flexibility, performance, and injury prevention.
NASM · NASM-WLS
Specialization credential for fitness professionals specializing in evidence-based weight management, obesity treatment, and client support with science-backed nutrition and lifestyle coaching.
NASM · NASM-WFS
The NASM Women's Fitness Specialist certification validates expertise in training principles specific to female physiology, hormonal changes, and life stages including pregnancy, postnatal recovery, and menopause.