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.

Farion_O/Getty Images

I'm a 61-year-old CEO and DJ for longevity raves. I start my day with a cup of tea, ruthlessly cut meetings short, and don't have a house cleaner.

Tech Insider : Business, Style, Technology
Tina Woods
Tina Woods is the CEO and founder of Collider Health, and she DJs as "Tina Technotic."

Jon Tonks for BI

This as-told-to essay is based on a conversation with 61-year-old Tina Woods, the CEO and founder of Collider Health, an organization developing public-private partnerships for healthy aging and longevity. It's been edited for length and clarity.

I'm a trauma surgeon turned longevity CEO. I get up at 5 a.m., avoid snacks, and keep my phone out of my bedroom.

Tech Insider : Business
Dr. Shah
Dr. Darshan Shah said doing the small things consistently had the biggest impact on his personal health journey.

Madeline Tolle for BI

This as-told-to essay is based on a conversation with Dr. Darshan Shah, the 53-year-old founder and CEO of longevity clinic Next Health, who's based in Malibu, California. It's been edited for length and clarity.

My 98-year-old grandmother is the most positive person I know. I think it's the secret to her long life.

Tech Insider : Business, Travel
The author's grandmother wearing a pink shirt and khaki pants.
The author's grandmother is 98 years old.

Courtesy of Stephanie Mork

Helen Mirren, 80, has a blunt message for tech bros chasing eternal youth

Tech Insider : Business
Helen Mirren.
Helen Mirren.

Christopher Polk/Penske Media via Getty Images

My grandmother is 97. She's taught me to lean into what makes you happy, and that quality is better than quantity.

Tech Insider : Business
The author's grandmother enjoying a cocktail.
The author's grandmother is now 97.

Courtesy of Nicole Findlay

Tell us your pressing health questions — we'll get answers from experts

Tech Insider : Business
wellness advice
wellness advice

Klaus Vedfelt/Getty Images

A longevity researcher doesn't take any supplements. Here are his 3 anti-aging habits instead.

Tech Insider : Business
Dr. Thomas Rando; a salmon salad
Dr. Thomas Rando generally follows the Mediterranean diet and fasts once a week.

Thomas Rando/MonicaNinker/Getty Images

We got diet advice from over 40 dietitians and nutrition scientists. Here's your 2026 meal plan.

Tech Insider : Business, Sports
Roxana Ehsani, Kevin Hall, Kylie Sakaida
Sports dietitian Roxana Ehsani, nutrition scientist Kevin Hall, and registered dietitian Kylie Sakaida are a few of the nutrition experts we spoke to this year.

Roxana Ehsani/Kevin Hall/Kylie Sakaida

A champion ping pong player who avoided sports most of her life says it's never too late to start something new

Tech Insider : Business, Sports, Style
Carol Klenfner in blue shirt and black pants playing ping pong.
Carol Klenfner has found a renewed sense of competition after picking up ping pong later in life.

Mark Adam Miller / Business Insider

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