One fitness supplement can help you build muscle and maybe boost longevity without breaking the bank, according to experts

Tech Insider : Business, Sports
A person scooping a supplement powder into a clear plastic cup.
Creatine is one of the most researched fitness supplements on the market. it offers a lot of value for its low costs, according to trainers and sports nutritionists.

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A 58-year-old whose job requires hours of sitting lost 75 pounds in 12 months with these simple changes

Tech Insider : Business, Style
jerry before and after weight loss
Jerry Clark overhauled his diet: he started eating more vegetables and having his chicken roasted instead of fried.

Courtesy of Jerry Clark

When my college football career ended, I hit rock bottom. Losing over 100 pounds helped me get my life back on track.

Tech Insider : Sports, Business
Tre Hubbard in his virginia tech football gear
The author was a college footballer.

Courtesy of Tre Hubbard

A man lost 44lbs and learned 3 important lessons about losing fat while maintaining muscle

Tech Insider : Business, Style
A man wearing a black T-shirt smiles.
Mike Prytkov founded a weight-loss app inspired by lessons he learned from his own weight-loss journey.

Mike Prytkov

I was an active runner for 10 years, then I burned out. Switching to walking helped me lose fat and feel energized again.

Tech Insider : Business
runner in cornfield
I got burned out on running after my first marathon. Walking and taking more strength-training classes helped me keep in shape.

Julia Pugachevsky

The eureka moment that drove Oprah to reframe weight loss and banish shame involved a Post-It

Tech Insider : Business, Environment
oprah at gala
Oprah Winfrey at the American Ballet Theatre Gala on October 22, 2025.

Lanna Apisukh/WWD via Getty Images

How to lose fat while maintaining muscle, according to the personal trainers of celebrities and business execs

Tech Insider : Business
A man does chin-ups at an outdoor gym.
To lose fat without losing muscle, you need to eat a high-protein diet while staying in a gentle calorie deficit, trainers told Business Insider.

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Oprah has endured as a weight-loss icon. Not even GLP-1s can change that.

Tech Insider : Business
Oprah Winfrey on stage in a white dress with a microphone, holding her hand out to the audience.
Oprah Winfrey has massively influenced wellness and diet culture for decades, now taking the spotlight to share her experience with GLP-1s.

Don Arnold/Getty Images

Matt Damon says cutting one thing out of his diet got him down to his 'high school' weight

Tech Insider : Business
Matt Damon.
Matt Damon says his latest role required a strict routine that left him lighter than he's been in years.

NBC/Todd Owyoung/NBC via Getty Images

A dietitian shares 3 New Year's weight-loss trends to avoid, from intermittent fasting to trendy supplement stacks

Tech Insider : Business
Maddie Pasquariello headshot
Maddie Pasquariello, a registered dietitian, warned against popular social media diet trends that become popular in the new year.

Sophia Sahara

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