'It's a Reinvented Multivitamin.' Venice-Based GEM Takes on the Supplement Market

Francesca Billington

Francesca Billington is a freelance reporter. Prior to that, she was a general assignment reporter for dot.LA and has also reported for KCRW, the Santa Monica Daily Press and local publications in New Jersey. She graduated from Princeton in 2019 with a degree in anthropology.

GEM vitamins

Investors are betting consumers will finally take their vitamins.

At $65 a month, Venice-based GEM sells melatonin-free daily sleep supplements made with ingredients like magnesium, rosemary, pumpkin seeds and valerian root.


It's neither a pill nor gummy vitamin but, as founder and CEO Sara Cullen calls it, real food.

"I would think of a protein bar you might know," Cullen said. "It has a nice dark chocolate profile. Nice seeds so it's got a beautiful texture and chewy in that kind of way."

The early-stage consumer fund that backed beauty vitamin brand HUM and the "hydration multiplier" Liquid IV is now behind a $10.5 million seed round for Cullen's L.A. startup selling supplements that will "improve whole body health at a cellular level."

Founded in 2018, GEM is tackling the $140.3-billion supplement market with its line of daily "whole food bites" with names like Sleep, Immunity and Daily Essentials.

"It's a reinvented multivitamin," the CEO said.

A few years ago, after learning she was deficient in a long list of nutrients, Cullen stood in the vitamin aisle of a store and studied almost every bottle on the shelf.

"They were filled with a lot of isolated vitamins, filled with synthetic and artificial fillers, sugary binders," she said. "It didn't intuitively seem right. Like why am I eating a candy for my health?"

Her solution was a California-made supplement that looks more like a small, organic brownie than a vitamin. And she defends the price by claiming that it would cost consumers far more to source these ingredients themselves.

"If you were to go individually buy all those ingredients, it would cost you upwards of $200," she said of GEM's $39-per-month Daily Essential vitamin — made with mushrooms for Vitamin D, chickpeas for bone protection and ashwagandha to fight stress. For reference, a Target 300-count women's daily vitamin is stocked online for $12.59.

The startup says it has sold over 8 million squares since going to market in 2019 online and in Erewhon locations in L.A. And it watched a near 400% spike in sales its second year.

With its first round of capital, GEM joins L.A.'s hub of venture-backed startups selling dietary supplements. In April, Venice-based Seed closed a $40 million Series A round for its daily probiotic that runs consumers $49.99 for a month's supply. The L.A. brand Ritual raised $25 million in 2019 for its $30 per month vitamin service.

Cullen said she'll use the capital to double the team, expand into retail and plan for new products.

The round was led by Pat Robinson of CircleUp Growth Partners with participation from investors, S2G and Pentland Ventures.

https://twitter.com/frosebillington
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LA Tech Week 2025: Sunday’s Event Lineup

Here's the Sunday, October 19th lineup for LA Tech Week 2025, organized by location so you can easily explore events that fit your goals and schedule. Dive in and see what’s happening near you!

ARTS DISTRICT

3:00 PM

BEL AIR

3:00 PM – 7:00 PM

BURBANK

6:30 PM – 9:30 PM

CULVER CITY

9:00 AM – 5:00 PM

4:30 PM – 7:30 PM

INGLEWOOD

10:00 AM – 2:00 PM

  • Spinovation: The Future Is Femme, The Future is Frequency: See Details Here
    Sonder Impact, Black Women Spin, Sip & Sonder

KOREATOWN

12:00 PM – 3:00 PM

MARINA DEL REY

12:00 PM

  • Sunday Tech Brunch
    Sawubona

MID CITY

9:00 AM – 11:00 AM

  • Women in Cleantech Hike and Network: See Details Here
    Women in Cleantech and Sustainability

SANTA MONICA

9:00 AM

10:00 AM

3:45 PM

4:00 PM – 7:30 PM

  • OFF THE HOOK Santa Monica Seafood Festival: See Details Here
    Spin PR Group, City of Santa Monica, Tech St.

6:00 PM

7:00 PM

  • Pritam: A Musical Legend - Live in Concert: See Details Here
    American South Asian Network

7:00 PM

  • Building AI workflow editor in React with Workflow Builder SDK: See Details Here
    Workflow Builder

7:00 PM

8:00 PM

  • Unlock Apple's Corporate Advantage for your Startup!: See Details Here
    iStore by St. Moritz

TOPANGA CANYON

3:00 PM

  • Dreamore Hike and Picnic: LA Tech Week: *Invite Only*
    Dreamore

VENICE

10:00 AM – 12:00 PM

  • Coffee, Walk, and Schmooze: See Details Here
    JFE (Jews For Entrepreneurship) Network

VIRTUAL (LA)

10:00 AM

  • Level Up with LinkedIn: A Student’s Guide to Networking & Opportunities (Virtual Event): See Details Here
    FIMAC

10:00 AM

WEST ADAMS

1:00 PM – 3:00 PM

For updates or more event information, visit the official Tech Week calendar.

Enjoy LA Tech Week 2025!

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LA Tech Week 2025: Saturday’s Event Lineup

Here's the Saturday, October 18th lineup for LA Tech Week 2025, organized by location so you can easily explore events that fit your goals and schedule. Dive in and see what’s happening near you!

BEVERLY HILLS

2:00 PM

CENTURY CITY

7:00 PM – 10:00 PM

CULVER CITY

9:00 AM – 5:00 PM

10:00 AM – 11:30 AM

1:00 PM

DTLA

7:00 PM

  • {MiniMax x Nakid x SkyPortalx}: TECH/MOTION/MUSIC/ART: See Details Here
    MiniMax (Hailuo AI)

10:00 PM – 2:00 AM

EL SEGUNDO

10:00 AM

  • Venture on the Green: *Invite Only*
    BLCK VC

4:00 PM

INGLEWOOD

7:00 PM

  • Valar Atomics, Durin and Discipulus Ventures - Night With A Nuclear Reactor: See Details Here
    Valar Atomics, Durin, Discipulus Ventures

MARINA DEL REY

8:30 AM

12:00 PM – 3:00 PM

5:00 PM

  • LOST iN Sunset Sail: Navigating the Tides of the Creator Economy & Media: See Details Here
    LOST iN

PASADENA

9:00 AM

PLAYA VISTA

2:00 PM – 4:00 PM

SANTA MONICA

7:00 AM

9:00 AM

  • Pedal & Network: Tech Cyclists @ LA Tech Week 🚵: See Details Here
    Instafill.ai

9:30 AM

  • Getty Center Guided Tour & (Optional) Photography Scavenger Hunt: See Details Here
    NEW MOON Impact Productions

10:30 AM – 11:30 AM

11:00 AM – 2:15 PM

12:00 PM – 5:00 PM

1:00 PM – 5:00 PM

1:30 PM

  • Self-Defense in Court and the Streets: See Details Here
    Santa Monica Striking, Luri Inc.

2:00 PM

  • SMARTUP 500: THE FIRST AT TECH WEEK LA - Launching the world’s first Startup Ranking: See Details Here
    Smart Times

2:00 PM

  • NLPs (No Lame Panels) The Creator X Founder Rooftop Party: See Details Here
    Startup Village, Sanctuary

3:00 PM – 4:00 PM

4:00 PM – 6:30 PM

  • Just Do It?: Helping Founders Perform Like Olympians: See Details Here
    Elite Psychology Group

5:00 PM

6:00 PM

6:00 PM – 9:00 PM

6:00 PM

6:00 PM – 9:00 PM

  • The Future of Hospitality: Poetry, Provenance & Passports: See Details Here
    Villa Kitchen, Airble, We Speak Dance, Techstars San Francisco

7:00 PM

  • 🚀 Investor x Founder Open Mic Pitches: See Details Here
    Feathr, Los Angeles Fun Events

7:00 PM

  • Life is a Pitch - LA Edition: *Invite Only*
    DeepMyst

TOPANGA CANYON

5:00 PM – 8:30 PM

  • Walk&Jam: Use AI to make art while hiking Topanga Canyon: See Details Here
    Formhaus llc, Wonderland Immersive Design

TORRANCE

1:00 PM – 4:00 PM

  • Crunches & Conversations Presented by The Differentials and KIS Training Studios: See Details Here
    The Differentials, KIS Training Studios

VENICE

1:00 PM – 4:30 PM

  • Beyond the Language Barrier: Exploring AI's Next Frontier: See Details Here
    Medusa AI

VENICE BEACH

8:00 AM – 12:00 PM

  • SŨRFED Club @ Venice Beach: Founders, Creators, Investors share the waves: See Details Here
    SŨRFED Club, Go Vitamins

WEST ADAMS

9:30 AM – 10:45 AM

  • Funders Shaping Democracy, AI & Media: See Details Here
    New Media Ventures, New Rising Ventures

WEST HOLLYWOOD

4:00 PM

6:00 PM – 8:00 PM

9:30 PM

  • Vibe Check Comedy Show, Tech Week Edition! @ Hollywood Improv: See Details Here
    Vibe Check Comedy

For updates or more event information, visit the official Tech Week calendar.

Enjoy LA Tech Week 2025!

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LA Tech Week 2025: Friday’s Event Lineup

Here's the Friday, October 17th lineup for LA Tech Week 2025, organized by location so you can easily explore events that fit your goals and schedule. Dive in and see what’s happening near you!

ARTS DISTRICT

8:30 AM – 12:00 PM

  • Power Day: Ideas, Pitches, Connections: See Details Here
    Los Angeles Cleantech Incubator (LACI)

6:00 PM

  • WEB3 GAMING IS DEAD - Happy Hour: See Details Here
    Plassa Capital, Yee-Haw Monster Trucks

BEVERLY HILLS

10:00 AM – 11:00 AM

1:00 PM – 2:00 PM

2:00 PM – 3:00 PM

3:00 PM – 4:00 PM

4:00 PM

6:00 PM – 9:00 PM

  • So you went viral, Now what? (pt II): See Details Here
    Verci, Study Fetch, TechSpace

8:00 PM

  • Private Pool: GP x LP x FO: *Invite Only*
    Visionlist Commons , Bay Area Innovest

BRENTWOOD

8:00 AM

  • Founders & Investors Hike: See Details Here
    Salehpour Legal, Technology Founders of America

CARSON

11:45 AM

  • Lightspeed x SVB Porsche Experience: *Invite Only*
    Lightspeed Venture Partners, SVB

CULVER CITY

8:00 AM – 6:00 PM

11:00 AM

1:00 PM

  • Surf Parks & Wave Pools: From Doja Cat to Mark Zuckerberg: See Details Here
    Surflytics

8:00 PM – 12:00 AM

EL SEGUNDO

11:30 AM – 2:00 PM

5:00 PM – 8:00 PM

HOLLYWOOD

10:00 AM

  • AI, Revenue, and Reality: How Fortune 500s Work With Startups That Ship: See Details Here
    Sunrise AI, OpenTable

12:00 PM – 2:00 PM

  • Unplugged: LA Tech Week Recharge Experience with TAY × Checked Out: See Details Here
    TAY Fitness, Checked Out

9:00 PM

INGLEWOOD

8:00 AM

  • TCSI Presents: Caffeine & Connections: See Details Here
    The Cyber Security Intellects Nonprofit

LONG BEACH

7:00 AM

MALIBU

10:00 AM

  • Great Leaders Podcast & Profiles: See Details Here
    NEW MOON Impact Productions, Origin Studios

12:30 PM

MARINA DEL REY

9:00 AM

  • Keeping Your Freedom as a Founder: Real Talk on Funding: See Details Here
    Lighter Capital

10:00 AM – 1:00 PM

  • D-Wave Research Day & Hackathon!: See Details Here
    USC Information Sciences Institute, D-Wave

4:00 PM – 6:00 PM

  • The Sky is Not the Limit: All About Aerospace: See Details Here
    Sunstone Management, USC Viterbi Startup Garage

PASADENA

10:00 AM – 1:00 PM

11:30 AM – 1:30 PM

  • Deep Tech Entrepreneurship Pillars of Pasadena Tech: See Details Here
    Innovate Pasadena, Pasadena SBDC, City of Pasadena

PLAYA VISTA

9:00 AM

12:00 PM – 2:00 PM

  • Vision to Venture - AI Media Showcase powered by Google AI: See Details Here
    Google

SANTA MONICA

7:00 AM – 8:30 AM

  • Signal Run : RTC x Wildwood VC: See Details Here
    Run Tech Club, Wildwood Ventures

7:30 AM

8:45 AM – 10:45 AM

9:00 AM – 11:00 AM

  • Slash Burn Rates & Scale Your Startup: See Details Here
    Arizona Commerce Authority (ACA)

9:00 AM

  • Driving a Digital Ecology Relay: What is at Stake: See Details Here
    The PORT GLOBAL, GLOBAL PORTAL INSTITUTE

9:30 AM – 11:30 AM

10:00 AM – 1:00 PM

  • The Enduring Value of Inclusive Capital: See Details Here
    Founders Registry. Nervana

10:00 AM – 12:00 PM

10:30 AM

11:30 AM – 1:00 PM

  • Advisors to Investors Lunch: Venture Capital for enterprise leaders: See Details Here
    Collinear Capital, Worlds

12:00 PM

  • Powerhouse Capital & a16z speedrun Investor Lunch Mixer: See Details Here
    Powerhouse Capital, a16z, speedrun

2:00 PM

  • Where Robotics Meets Heart - Embedding Family Values in a Future with AI: See Details Here
    Trove, Puerto Rico Blockchain Association, MindfulBytes

2:00 PM

3:00 PM

3:00 PM

3:00 PM

  • Workshop: Create An Enterprise Chatbot and Unlock the 70% of Data Data You’re Not Using: See Details Here
    Aparavi

4:00 PM

5:00 PM – 10:00 PM

5:30 PM

5:30 PM – 9:30 PM

6:00 PM – 8:30 PM

  • USC Alumni Founders & Investors: See Details Here
    USC Alumni Entrepreneurship Network, Techstars

6:00 PM

  • Social Currency Series/Greenlit presents PitchPop: See Details Here
    Social Currency Series, Greenlit

6:00 PM – 9:00 PM

6:30 PM

6:30 PM – 10:00 PM

6:30 PM

  • Lets get the LA Bioeconomy brewing: See Details Here
    Founders, Friends & Fermentation, Saku Biosciences

7:00 PM – 11:30 PM

7:00 PM – 10:00 PM

7:00 PM – 10:00 PM

7:00 PM

7:00 PM

  • Liquid Equity 2: The Premiere Gathering for Founders, Creator
    Coeus Collective

7:00 PM

7:00 PM

  • For the Love of Tech | Speed Dating for Tech Professionals: See Details Here
    Feathr, Los Angeles Fun Events

7:00 PM

SOUTH LA

3:00 PM

TORRANCE

9:00 AM – 11:00 AM

  • The Future of Space & Security Panel: See Details Here
    Northwood Space, Anduril Industries, Impulse Space, Astranis

VENICE

9:00 AM – 10:45 AM

9:00 AM – 11:30 AM

11:00 AM

11:30 AM – 2:30 PM

12:30 PM

  • Creative Partners: Human + AI Storytelling: See Details Here
    Othelia, Primordial Soup

2:00 PM – 3:45 PM

5:00 PM

  • EarthHouse: Critical Minerals, Mobility & Modern Power: See Details Here
    The Strategye Group, Alpha Sierra One

6:00 PM – 9:00 PM

6:00 PM

  • Pizza+Soda: *Invite Only*
    Schmoozd , The KINN

7:00 PM

VENICE BEACH

2:00 PM – 6:30 PM

5:00 PM

8:30 PM – 2:00 AM

VIRTUAL (LA)

2:30 PM – 4:00 PM

3:00 PM

  • Government of Alberta: ProcurementAsCode // Done in 60 Seconds: See Details Here
    Government of Alberta

4:00 PM

  • Stop Hitting Yourself 🥊: See Details Here
    Stop Hitting Yourself, HOWDY, Company Policy, Snowbird Global

WEST HOLLYWOOD

3:00 PM – 6:00 PM

6:00 PM

WESTSIDE

5:00 PM

5:30 PM – 8:30 PM


For updates or more event information, visit the official Tech Week calendar.

Enjoy LA Tech Week 2025!

Download the dot.LA App


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