Liz Ostertag is a New York-based journalist covering business, technology, and consumer wellness. Her reporting explores how brands, products, and innovations shape the modern wellness economy, with a focus on e-commerce, product trends, and consumer behavior. Liz frequently reviews fitness and wellness products and writes about developments across connected fitness, health tech, and lifestyle.
She holds a BA in English from Princeton University, a JD from the University of Pennsylvania Carey School of Law, and an MBA from the Wharton School.
We tested the Ninja Creami and the Ninja Creami Swirl frozen dessert makers – here's our honest review of the viral appliances
Activewear giant Lululemon has launched its Summer Series 2026, a season-long program of free fitness experiences across North America.
The first visit to a workout class is often a blur of logistics: finding the locker room, grabbing weights, learning the flow. It rarely gives a good read on why a brand retains clients long-term. I usually test wearables and fitness products for months before judging them, so for Aarmy, I did the same: I...
We tested Viome’s Full Body Intelligence test, which is on sale for $100 off – read our honest review to see if the gut health test is worth buying.
Burn Boot Camp is bringing on global music producer and artist Marshmello as an equity partner, franchise owner and creative lead for music.
Onside, a new men's personal care brand backed by NBA All-Star Jayson Tatum, is built less around traditional grooming and more around body care for active men.
Bala, the cult-favorite accessories brand is entering apparel with Bala Everyday Active, extending its design-led approach.
Smart ring maker Ultrahuman is integrating Abbott’s Lingo over-the-counter CGM as glucose data becomes a key frontier in connected wellness.
PepsiCo is building its sports-drink portfolio around protein as the macronutrient surges in popularity due to GLP-1s and broader wellness trends.
Therabody's CryoTherm Palm device, designed to help athletes manage heat during competition, has been already been used by England's national soccer team.
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