Fitness Industry Trends: What’s Actually Science vs. What’s Just Marketing
Every year the fitness industry rolls out new “revolutionary” trends, but separating real science from marketing hype takes a clear evaluation framework. In this comprehensive breakdown, THIRST Gym owner and strength coach Brandon Smitley analyzes the biggest fitness trends of 2026 across velocity based training, blood flow restriction, zone 2 cardio, HRV wearables, biohacking protocols, and more, identifying what’s legitimate, what’s overhyped, and what’s complete nonsense. Learn how to filter fitness trends through peer-reviewed research, effect size, and cost-benefit analysis to make smarter training, nutrition, and recovery decisions.



