MADE IN THE USA · LAUNCHING 2026 · LIVE LONG. LIVE WELL.

Launching 2026

Rest is not a reward. It's the foundation.

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Two friends.
A doctor's instinct.
And a question nobody was asking.

Why we started

Two friends.
A doctor's instinct.
And a question nobody was asking.

Dr. Anna Marie had been watching the pattern for years — patients whose health had quietly unraveled. Not from one dramatic event. From a thousand small decisions to push through, ignore the signals, and deal with it later. She and Krista had been talking about doing something about it for just as long. Then the people closest to them started getting sick. The conversation changed. This wasn't someday anymore.

Our Story

Health is the asset

Not your output. Not your title. The thing every other ambition depends on.

Built in the daily, not the dramatic

Longevity isn't a transformation. It's the result of small choices, repeated.

You deserve a body that lasts

Whatever you're here to do — it needs more than a few good years.

Feeling good is not the exception

It should be the baseline. Something you build, not something you stumble into.

Made in the USA. Family Owned. Physician Backed. Female Founded. Third Party Tested.

Duration Wellness™

Sleep is the
foundation.

Physician-formulated. No melatonin. No fillers. Just the things your body needs to do what it was built to do.

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The people behind our mission

The experts who believe in living long and living well.

Dr. Anna Marie McCarthy

Co-Founder & CHIEF MD

Dr. Anna Marie McCarthy

Board Certified Physician

Dr. Anna Marie - is the Chief MD and co-founder of Duration Wellness™. She believes being healthy is a long game and Duration is her answer to that. She is focused on cutting through all of the noise in the industry and simplifying how people can live healthier lives.

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Dr. Karen McCarthy

MD

Dr. Karen McCarthy

Expert Physician

Practicing physician, author, avid traveler and philanthropist, Dr. Karen has provided medical ministry all over the world. She has seen it all. And has the knowledge on preventative medicine and wellness to back it up.

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Dr. Dennis McCarthy

MD

Dr. Dennis McCarthy

Board Certified Anesthesiologist

As a Board Certified anesthesiologist with over 34 years of experience, Dr. McCarthy knows a thing or two about putting people to sleep. His unique perspective has provided valuable insight into our first product.

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Krista Boyer Starratt

Co-Founder

Krista Boyer Starratt

Co-Founder

Krista Starratt, is the force that turned years of conversation into a company. Krista built a career in business and a conviction that the wellness industry was leaving real people behind.

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Lantz Starratt

Co-Founder

Lantz Starratt

Co-Founder

Lantz Starratt is an entrepreneur and founder who has spent his career building businesses, launching brands, and creating experiences that connect with people. Lantz brings a practical operator's mindset to Duration Wellness™.

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Montana Ray Wells

Co-Founder

Montana Ray Wells

Co-Founder

Montana Wells, a biosystems engineer and co-founder of Duration Wellness™, Montana is focused on bringing higher quality products to market and making sure the products we create are kept the highest industry standards possible.

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“We didn't want to build just another wellness brand. We wanted to build something that could genuinely help the people sitting across from us at dinner.”

— Anna Marie & Krista, Co-Founders

“She started digging into the science of longevity — not the biohacker fringe stuff. The fundamentals. The non-negotiables. The things the research keeps coming back to.”

— Anna Marie & Krista, on the beginning

“We're not selling miracles. We're not making promises the research can't back up. We're just four people who decided to do something about it. Together.”

— Anna Marie, Krista, Lantz & Montana