Function Health Acquires SuppCo to Add Independent Supplement Guidance to Health Platform

Function Health, which offers a subscription-based lab testing service, has acquired SuppCo, a platform that provides independent evaluations of dietary supplement trustworthiness.

Together, Function and SuppCo create a new model that enables consumers to continuously measure their bodies, understand the inputs acting on them, and improve their health with evidence.

This marks the next step in Function’s build toward an “AI health operating system,” the company said. One that currently spans labs, imaging, and clinician guidance, and now adds an independent action layer for the inputs that shape human biology. 

SuppCo’s consumer app helps consumers organize, manage, and stay consistent with a supplement regimen. It adds an independent layer to guide supplement choices, with ratings across 35,000+ products and analysis of 500,000+ routines. Its TrustScore rating system and dedicated research arm offer independent rigor to the supplement category.

Earlier this year, SuppCo launched TESTED by SuppCo, an independent certification program that anonymously purchases off-the-shelf supplements and verifies their active ingredients through an ISO 17025–accredited laboratory.

Paired with Function’s testing and clinician-guided protocols, members will receive researched supplement guidance grounded in their actual biology, the company said.

“Supplements are powerful when used correctly. The problem is that many people are taking the wrong ones, or taking the wrong dose, from sources they have no reason to trust. For decades, the public has lacked the tools to know the difference,” said Steve Martocci, co-founder and CEO of SuppCo and previously the founder of GroupMe, Blade, and Splice. “We built SuppCo as an independent trust layer to help people build the right supplement stack for their goals. That starts with data: finding the right nutrients, then matching them to the best products from independent brands based on trust and price. Once a user has their stack, we are here to help them stick to it and refine it as their goals evolve and the science advances.

“Joining Function pairs that independence with the one thing that’s always been missing: a more comprehensive view of your biological data to understand how supplements are actually working for you,” he added. “That’s how we close the loop on efficacy and help people take control of their health.”

“You are what you put in your body,” said Jonathan Swerdlin, CEO and co-founder of Function. “Food, prescriptions, and supplements are inputs that shape your biology. SuppCo cuts through the noise of supplement marketing by organizing your supplement routine using grounded scientific rigor. Function pairs that with your lifelong baseline in one personalized platform. Health should be easy.”

SuppCo investors include Greylock, Union Square Ventures, True Ventures, BoxGroup, Compound and others.

Function’s mission is to enable everyone to live 100 healthy years. Function makes lab testing, MRI and CT scans, and longitudinal health data accessible, understandable, and actionable, serving millions of people across all 50 states.

The company’s Medical Intelligence Lab leverages a dedicated clinical research team to further science that helps its members see, understand, and act on their biology over time.

Membership includes access to 160+ lab tests, including biannual testing, for $365/year, covering the heart, hormones, thyroid, liver, kidneys, heavy metal exposures, nutrient levels, inflammation, autoimmunity, immunity, potential cancer signals, and more.