Function Journal

Nutrition and Lifestyle

When caregiving ends, your health still matters

Nutrition and Lifestyle

A phlebotomist’s guide to an easier blood draw

Stress and Aging

Stress is aging you faster than you think—here’s how to slow it down

Early Detection

Aging backwards: How to measure, slow, or reverse your biological age

Woman training in a gym for the women's lab testing article.

Nutrition and Lifestyle

10 lab tests women should track when strength training

You track your reps and your progress. These lab tests track what powers them — from iron stores and stress hormones to metabolic and recovery markers.

Two people embracing, with one person's arms wrapped around another's waist.

Function NewsMale and Female Health

Progesterone: Why it matters and how to test with Function

Man outdoors for the male fertility testing article.

Male and Female Health

Decoding Male Reproductive Health and The Fertility Testing Playbook

Close-up of a person's neck and collarbones against a dark background.

Early Detection

The hidden epidemic: Why thyroid disorders often go undiagnosed

Person swimming underwater in an orange top with arms extended forward.

Male and Female Health

Is It Infertility–Or a Hormonal Imbalance You Can Fix?

Member story

Geoff thought he was in great health until one prostate marker flagged through Function changed everything.

Read Geoff’s story

Geoff's story

Geoff's story

Early Detection

How to book advanced imaging with Function

Full-body lab testing meets advanced imaging. Monitor for early signs of disease.

Blood draw setup for the phlebotomist's guide article.

Nutrition and Lifestyle

A phlebotomist’s guide to an easier blood draw

Function announcement artwork for the medical intelligence lab launch.

With a $2.5B Valuation, Function Becomes the New Standard for Health and Launches Medical Intelligence Lab

Danielle during her Function story feature.

Nutrition and Lifestyle

The test that uncovered what urgent care didn’t

Alan preparing food in a bright kitchen, cutting vegetables on a countertop.

Nutrition and Lifestyle

What started as a diagnosis became a turning point

Dr. Mark Hyman during his Bari Weiss podcast feature.

Nutrition and Lifestyle

Dr. Mark Hyman x Honestly with Bari Weiss: How to Live Your Healthiest Life

Dr. Mark Hyman joins Bari Weiss to explore how food, toxins, and functional medicine are shaping America's health crisis—and how we can fix it.

Dr. Mark Hyman during his Huberman Lab podcast feature.

Nutrition and Lifestyle

Dr. Mark Hyman x Huberman Lab: How to Improve Your Vitality & Heal From Disease

Fernando during his Function story feature.

Nutrition and Lifestyle

Turning 30—and taking charge

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She trained hard, ate well, and still had elevated LDL cholesterol

Male and Female Health

She trained hard, ate well, and still had elevated LDL cholesterol

Person sitting on a bed with hands on their abdomen in the colorectal cancer symptoms explainer.

Early Detection

The subtle symptoms of colorectal cancer that are often overlooked

Travis standing in a snowy mountain landscape beside a river, smiling at the camera.

Early Detection

His testosterone kept dropping. Then he discovered testicular cancer.

Function and Smart Scan logos on an orange gradient background.

Function News

Smart Scan x Function: Expanding advanced imaging access across Wisconsin

Rebecca seated in a black blazer against a light studio backdrop.

Early Detection

At 34, Rebecca got a clean bill of health—then came a breast cancer diagnosis

Jennifer standing beside a mountain bridge overlook and smiling at the camera.

Low Ferritin led to a colonoscopy that changed Jennifer's future

Function and SuppCo announcement artwork for the acquisition story feature.

Function News

Function Acquires SuppCo to Bring Trust and Clarity to Supplements

Cameron standing in an outdoor plaza with a concert stage and tents behind him.

Brotherly love

Screenshot for Ana's Function story feature.

The run that changed everything

Life is short?

We disagree.

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