Generation Flex

THERE'S SOMETHING BIG going on with boys.

Maybe you've seen an influx of teenagers at your local gym. Maybe you've noticed more kids carrying around blender bottles. Maybe you've even witnessed the social media phenomenon that is a teenage fitness influencer.

What's big with boys right now is getting huge. Jacked arms. Swole chests. Chiseled abs. Spurred by intense pressure and unattainable body standards, boys are risking their physical and mental health to build muscle and lose weight.

We know this because for the last year Men's Health followed the stories of four young teens in their quests to bulk up and get cut. What we found was a dark world of social media manipulation, shady supplements, and very real consequences. And we talked to the top experts in the country—from behavioral health researchers to emergency clinicians—for their insights and advice.

Whether you're a parent, caregiver, coach, or kid (and, actually, especially if you're a kid), Generation Flex is a warning shot to the dangers of excessive exercise, fit-fluencer culture, and supplement overuse.

But there’s also plenty to be hopeful about. In tandem with the documentary, we’ve assembled a powerful toolkit for parents and kids that digs into the science of supplementation, details the warning signs of muscle dysmorphia, and equips teens with how to weight-training safely and effectively.

Presented by Men's Health