Seraphina's science-backed fatty15 C15:0 supplement has translated to strong customer retention and associated growth.

SAN DIEGO, April 1, 2026 /PRNewswire/ -- Seraphina Therapeutics, with its award-winning fatty15 supplement, has been ranked the fastest-growing Health and Wellness company by Inc., the leading media brand and playbook for the entrepreneurs and business leaders shaping our future. The company ranked No. 11 on its overall Inc. Regionals: Pacific list — the most prestigious ranking of the fastest-growing privately held companies in the Pacific. The region includes California, Oregon, Washington, Hawaii, and Alaska.

An extension of the national Inc. 5000 list, the Regionals list offers a data-driven look at the independent small businesses driving growth across the Pacific economy. Companies on this year's list demonstrate exceptional revenue expansion, resilience, and job creation during a challenging economic period.

"We are so proud to be the fastest growing health and wellness company in the Pacific, furthering our global mission to deliver healthy aging solutions that meaningfully improve people's lives," says Dr. Eric Venn-Watson, Seraphina's Co-Founder and Co-CEO. "From helping Navy dolphins to improving global health — we couldn't have asked for a more fulfilling journey." Seraphina is led by Co-Founders Drs. Eric and Stephanie Venn-Watson, a husband-and-wife, physician-and-veterinarian military family duo of entrepreneurs.

Between 2022 and 2024, the 134 private companies on the Inc. Regionals: Pacific list had a median growth rate of 94 percent; by 2024, they'd also added 7,503 jobs and $2.5 billion to the region's economy.

Complete results of the Inc. Regionals: Pacific, including company profiles and an interactive database sortable by industry and metro area, were made available beginning March 31, 2026.  "The honorees on this year's Inc. Regionals list achieved exceptional growth at a time when the odds were against them. Amid inflation, supply chain disruptions, and ongoing economic uncertainty, they didn't just persevere — they innovated, adapted, and thrived. Their resilience made them standouts in their industries and true growth engines in their regions," said Bonny Ghosh, editorial director at Inc.

Seraphina Therapeutics is a health and wellness company that brought the award-winning healthy aging supplement fatty15 to market. Developed by doctors funded by the U.S. Navy, fatty15 contains a pure, patented, and bioavailable nutrient called C15:0 (pentadecanoic acid). Fatty15 is backed by over 100 peer-reviewed studies supporting C15:0's role as a foundational nutrient that strengthens cells against age-related breakdown, supporting healthy aging at all ages and stages. As a testament to its success, fatty15 has maintained an industry-leading 95% monthly retention rate since its launch in January 2021.

The broad health benefits of C15:0 were first discovered by Seraphina's co-founder and co-CEO, Dr. Stephanie Venn-Watson. While serving as a veterinary epidemiologist for the U.S. Navy, she discovered that 1 in 3 older Navy dolphins developed aging-associated conditions, including insulin resistance, chronic inflammation, elevated cholesterol, fatty liver disease, and anemia. Her team used metabolomics to discover that C15:0 (pentadecanoic acid), among hundreds of serum-based molecules, was the strongest predictor of the healthiest aging dolphins. Fast forward 10 years and over 100 peer-reviewed studies, and C15:0 is emerging as the first essential fatty acid to be discovered in over 90 years, since omega-3. For her discoveries, Dr. Stephanie Venn-Watson, who authored the best-selling Simon & Schuster book, The Longevity Nutrient, has received many awards, including being named a 2025 CNBC Changemaker.

In addition to this most recent Inc. accolade, fatty15 has been recognized as America's fastest growing supplement company in the Inc. 5000 2025 rankings, 2023 and 2024 Fast Company World Changing Idea in Wellness, Mindful Awards Best Overall Supplement of 2024 and 2025, 2025 Wellbeing Award for Best Breakthrough Supplement, Newsweek 2024 Readers' Choice Award for Best Supplement Brand, and Nutritional Outlook's Best of the Industry Award as an Ingredient Supplier.

For more information about Seraphina Therapeutics, please visit DiscoverC15.com and fatty15.com.

More about Inc. and the Inc. Regionals:

Methodology: The Inc. Regionals lists are ranked according to percentage revenue growth over two years. To qualify, companies must have been founded and generating revenue by March 31, 2022. They had to be U.S.-based, privately held, for-profit, and independent — not subsidiaries or divisions of other companies — as of December 31, 2024. (Since then, a number of companies on the list may have gone public or been acquired.) The minimum revenue required for 2022 is $100,000; the minimum for 2024 is $1 million. As always, Inc. reserves the right to decline applicants for subjective reasons.  

About Inc.: Inc. is the leading media brand and playbook for the entrepreneurs and business leaders shaping our future. Through its journalism, Inc. aims to inform, educate, and elevate the profile of its community: the risk-takers, the innovators, and the ultra-driven go-getters who are creating the future of business. Inc. is published by Mansueto Ventures LLC, along with fellow leading business publication Fast Company. For more information, visit www.inc.com.

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SOURCE Seraphina Therapeutics