Brentwood Associates Announces Growth Investment in L-Nutra

Investment will help fortify L-Nutra’s leadership in nutrition technology and advance the Company’s mission of promoting healthy living and longevity   

PLANO, July 8, 2021 — Brentwood Associates (“Brentwood”), a growth-oriented middle market private equity investment firm, is pleased to announce its significant growth investment in L-Nutra Inc. L-Nutra is a leader in nutrition technology, offering several solutions designed to promote longevity and healthy aging. ProLon®, L-Nutra’s current flagship product, is a five-day Fasting Mimicking Diet (FMDTM) program scientifically tested to provide many of the health benefits of periodic fasting, including rejuvenation for healthy aging and fat-driven weight loss. L-Nutra is also the creator of Fast Bar®, the first nutrition bar specifically formulated to keep the body in a fasted state, as well as Nutrition For Longevity®, the first meal delivery company to provide clean food based on the Centenarian diet.

Founded 13 years ago by Dr. Valter Longo, who is Director of the Longevity Institute of the University of Southern California and was named in 2018 by TIME among the top 50 most influential people in health care, L-Nutra harnesses its cutting-edge breakthroughs in consumer nutrition, medically tailored meals, medical foods, botanical drugs, and longevity programs to enhance healthy aging and spearhead the “food as medicine” movement. L-Nutra’s Fasting Mimicking Diets® are supported by decades of science, lab research, awarded patents, and preclinical and clinical trials.  

Led by L-Nutra’s Chairman and Chief Executive Officer Joseph Antoun, MD, PhD, a globally recognized leader in biotech, health policy, and public health, the Company is uniquely capable of bringing its transformative products to market to improve human health. “By partnering with the Brentwood team, we are now one step closer to our mission of making Food as Medicine a reality and improving the lives of millions around the world. Brentwood’s investment will fuel our rapid expansion, strengthen our infrastructure, and activate a longevity-based revolution,” said Dr. Antoun. “We look forward to harnessing Brentwood’s knowledge and expertise in scaling disruptive consumer brands as we pursue our next phase of growth.”

Eric Reiter, partner at Brentwood, added, “L-Nutra is well-positioned to become the undisputed leader in nutrition for longevity. We are excited to unite with the Company on a shared vision of enhancing human healthspan and social impact through high quality products and solutions backed by credible research. We are passionate about disruptive companies like L-Nutra that sit at the intersection of multiple exciting health and wellness trends, and we are thrilled about the prospect of helping to accelerate the Company’s already impressive growth trajectory.”

DLA Piper LLC provided legal counsel to L-Nutra, while Brentwood was represented by Bryan Cave Leighton Paisner LLP.  


L-Nutra is leading the discovery, design, and commercialization of novel nutrition programs to enhance human healthspan. L-Nutra translates the science behind Fasting Mimicking Diet® and Nutrition for Longevity® with breakthrough discoveries to promote healthy aging nutri-technologies and to advance the development of nutri-solutions for patients with age-related health conditions. L-Nutra is committed to providing its customers with the highest quality products backed by credible science and research. With the world’s health in mind, each product is formulated to provide protective and rejuvenating benefits while maximizing safety, nourishment, taste, and variety. For more information visit;;;  


Brentwood Associates is a Los Angeles-based private equity investment firm with a 30+ year history of investing in middle-market growth-oriented consumer and technology-enabled business services companies. Since 1984, Brentwood’s dedicated private equity team has invested in over 50 portfolio companies with an aggregate transaction value of over $6 billion. With significant experience in both investing and brand building, Brentwood is a value-added partner for entrepreneurs and senior management teams building world-class companies. For more information about Brentwood, please visit

Read the Full Announcement Below:

Brentwood Associates Announces Growth Investment in L-Nutra