In California, the nutritional supplement industry thrives, combining health and wellness with innovative product development. Companies in this sector focus on vitamins, proteins, herbal remedies, and more, responding to a growing demand for health-enhancing solutions. Consumers increasingly prioritize quality and transparency, pushing brands to adopt rigorous testing and sustainable practices. As health-conscious trends rise, the market is projected to grow, attracting investment. Moreover, online retail channels for these products make them accessible to a wider audience, ensuring sustained interest and competition.

This list features 21 prominent nutritional supplement companies based in California, showcasing a mix of company sizes and specializations. The firms range from established brands like Pharmavite, founded in 1971, to innovative newcomers like Kaged Muscle, which emerged in 2014. Different locations, such as Los Angeles and Irvine, highlight strategic market positioning. These companies offer a variety of health supplements, addressing the needs of today’s health-conscious consumers.

Read on to discover the top nutritional supplement companies in California.

Top 21 Nutritional Supplements Companies in California

1. iHerb, LLC

• Website: iherb.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 79%, China 14%, Other 7%
• Founded year: 1996
• Headcount: 1001-5000
• LinkedIn: iherb

iHerb, LLC, based in Irvine, California, is an e-commerce retailer that specializes in health and wellness products, particularly vitamins and nutritional supplements. Founded in 1996, the company has grown to employ over 1,500 individuals, with a significant portion of its workforce located in the United States and China. iHerb operates primarily through its online platform, offering a wide array of products that support health and well-being. The company is dedicated to serving health-conscious consumers by providing quality products at competitive prices. iHerb's extensive catalog includes various categories of supplements, from vitamins and minerals to herbal products and sports nutrition. Their focus on customer satisfaction is evident through initiatives like a rewards program and promotional discounts, which encourage repeat business and customer loyalty.

2. Metagenics

• Website: metagenics.com
• Ownership type: Private Equity
• Headquarters: Aliso Viejo, California, United States (USA)
• Employee distribution: United States (USA) 53%, Australia 20%, Belgium 14%, Other 14%
• Latest funding: October 2021
• Founded year: 1983
• Headcount: 501-1000
• LinkedIn: metagenics

Metagenics, based in Aliso Viejo, California, is a health supplement company that specializes in high-potency nutritional products designed to improve overall wellness. Founded in 1983, the company has built a reputation for offering a wide array of supplements that target specific health needs, including immune support, metabolic health, and gastrointestinal health. Metagenics serves both consumers and healthcare practitioners, emphasizing the importance of practitioner guidance in the use of their products. The company is also committed to education, providing various programs and resources to help practitioners better serve their patients. With a workforce of over 1,000 employees and a significant presence in markets like the USA, Australia, and Europe, Metagenics continues to be a relevant player in the nutritional supplement industry. Their focus on quality, science-based research, and ethical practices, highlighted by their status as a certified B Corporation, further solidifies their position in the market.

3. Sports Research

• Website: sportsresearch.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 96%, Nepal 2%, India 2%
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: sports-research-corp.

Sports Research, based in Los Angeles, California, is a private health supplement retailer that specializes in sports nutrition and wellness products. Established in 1980, the company has built a reputation for offering a wide range of dietary supplements designed to enhance performance, recovery, and overall health, particularly for athletes and fitness enthusiasts. Their product lineup includes items such as electrolytes, collagen peptides, vitamins, and various herbal supplements. Sports Research operates an online store, allowing customers to purchase directly from their website. The company prides itself on using high-quality ingredients, ensuring that all products are third-party tested for safety and efficacy. Their focus on customer engagement is evident through initiatives like a loyalty program and subscription services, which aim to foster long-term relationships with consumers. With a dedicated team and a commitment to quality, Sports Research continues to be a relevant player in the nutritional supplement industry.

4. Jarrow Formulas

• Website: jarrow.com
• Ownership type: Private Equity
• Headquarters: Los Angeles, California, United States (USA)
• Latest funding: September 2020
• Founded year: 1977
• Headcount: 201-500
• LinkedIn: jarrow-formulas

Jarrow Formulas, based in Los Angeles, California, is a private equity-owned dietary supplement manufacturer that has been operational since 1977. The company specializes in a broad range of health products, including probiotics, vitamins, and minerals, catering to health-conscious consumers. Jarrow Formulas emphasizes the importance of scientific research in the formulation of their products, ensuring that they deliver effective health solutions. Their commitment to quality is reflected in their rigorous testing processes and partnerships with reputable raw material suppliers. The company has built a strong reputation over the decades, focusing on the purity and potency of its ingredients, which aligns with the growing consumer demand for reliable health supplements.

5. Kaged Muscle

• Website: kagedmuscle.com
• Ownership type: Private
• Headquarters: Huntington Beach, California, United States (USA)
• Founded year: 2014
• Headcount: 11-50
• LinkedIn: kaged-muscle

Kaged Muscle is a health and wellness brand based in Huntington Beach, California, specializing in sports nutrition and dietary supplements. Founded in 2014, the company has quickly gained recognition for its commitment to high-quality products designed to enhance athletic performance and overall health. Kaged Muscle offers a comprehensive range of supplements, including pre-workout formulas, protein powders, amino acids, and hydration products. Their focus on clean ingredients and transparency in labeling resonates with a growing consumer demand for trustworthy health products. The company operates primarily through an online retail model, providing direct access to its offerings. Kaged Muscle has also engaged with its community through various training programs and educational content, further solidifying its position in the industry. With a customer base that includes fitness enthusiasts and professional athletes, Kaged Muscle continues to innovate and expand its product line to meet the evolving needs of its audience.

6. Orgain

• Website: orgain.com
• Ownership type: Corporate
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: February 2022
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: orgain

Orgain, based in Irvine, California, is a health and nutrition brand that specializes in clean, organic products. Founded in 2008 by Dr. Andrew Abraham, the company aims to provide accessible, high-quality nutrition solutions. Orgain's product line includes protein powders, nutritional shakes, and vitamins, all designed to support a healthy lifestyle. The company primarily operates through its online store, catering to a wide audience that includes health-conscious individuals, athletes, and families. Orgain emphasizes the use of thoughtfully selected ingredients, securing USDA organic certification whenever possible, and minimizing added sugars and artificial additives. Their commitment to quality and health is further underscored by their B-Corp certification, which reflects their mission to balance purpose and profit while positively impacting the community and environment.

7. Nordic Naturals

• Website: nordicnaturals.com
• Ownership type: Family Owned
• Headquarters: Watsonville, California, United States (USA)
• Employee distribution: United States (USA) 89%, Peru 5%, Other 6%
• Founded year: 1995
• Headcount: 201-500
• LinkedIn: nordic-naturals

Nordic Naturals, based in Watsonville, California, is a family-owned health supplement company that specializes in high-quality omega-3 oils, vitamins, and probiotics. Since its inception in 1995, the company has focused on providing effective nutritional support for health-conscious consumers. Nordic Naturals is recognized for its commitment to product purity and effectiveness, rigorously testing each product lot to ensure it meets or exceeds the highest standards for environmental toxins and contaminants. The company has built a strong reputation in the industry, being the top-selling fish and algae oil brand in the U.S. Their product range includes options for various demographics, including children and pets, and they offer vegan and vegetarian alternatives. Nordic Naturals also engages in partnerships with healthcare professionals and veterinarians, further enhancing their credibility in the nutritional supplement space.

8. Nutrawise Health and Beauty (Youtheory)

• Website: youtheory.com
• Ownership type: Corporate
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: June 2022
• Founded year: 2010
• Headcount: 201-500
• LinkedIn: nutrawise

Nutrawise Health and Beauty, operating under the brand Youtheory, is a health supplement company based in Irvine, California. Established in 2010, Youtheory specializes in dietary products aimed at enhancing overall wellness. Their offerings include a variety of supplements such as vitamins, herbal products, and beauty-focused items. The company primarily targets health-conscious consumers who seek effective solutions for stress management, beauty enhancement, and general health improvement. Youtheory operates an online store, making it convenient for customers to access their products. The company prides itself on its commitment to quality, ensuring that its supplements are backed by scientific research and third-party certifications. Youtheory's manufacturing facility adheres to Good Manufacturing Practices (GMP), reinforcing their dedication to producing high-quality supplements. Their innovative products, like the plant-based omega-3 supplements, demonstrate their ability to adapt to consumer demands and sustainability trends in the industry.

9. Ritual

• Website: ritual.com
• Ownership type: Venture Capital
• Headquarters: Culver City, California, United States (USA)
• Employee distribution: United States (USA) 94%, Other 6%
• Latest funding: Series B, $25.0M, February 2019
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: ritual_vitamins

Ritual is a health supplement company based in Culver City, California, founded in 2015. The company specializes in a range of dietary products, including multivitamins, protein powders, and pregnancy essentials. Ritual distinguishes itself by emphasizing clean, traceable ingredients that are backed by scientific research. This focus appeals to health-conscious consumers who seek reliable nutritional support. The company has gained recognition for its commitment to transparency, sharing information about its ingredient sources and the studies that inform its product formulations. Ritual has also received $25 million in Series B funding, reflecting strong investor interest in its mission to redefine health supplements. With a workforce of around 200 employees, Ritual continues to expand its presence in the nutritional supplement market, aiming to meet the needs of modern consumers.

10. Pharmavite

• Website: pharmavite.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 1971
• Headcount: 1001-5000
• LinkedIn: pharmavite

Pharmavite, based in Los Angeles, California, is a private health and wellness company that specializes in the production of vitamins and supplements. Founded in 1971, Pharmavite has built a portfolio of well-known brands, including Nature Made, MegaFood, Equelle, Uqora, and Bonafide. The company emphasizes quality and scientific research, ensuring that their products meet high standards for purity and potency. Pharmavite collaborates with key research institutions to identify nutrient gaps and develop innovative solutions for consumers. Their commitment to quality is further demonstrated by their adherence to Good Manufacturing Practices (GMPs) and their history of product verification by the United States Pharmacopeia (USP). Recently, Pharmavite announced a significant investment in expanding their operations in Columbus, Ohio, which will create new jobs and enhance their manufacturing capabilities. This strategic move reflects their ongoing dedication to improving health outcomes for consumers.

11. True Nutrition

• Website: truenutrition.com
• Ownership type: Private
• Headquarters: Vista, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: true-nutrition

True Nutrition, based in Vista, California, is a private nutrition supplement company that specializes in customizable sports nutrition products. Established in 2003, the company caters to health-conscious individuals by offering a wide range of items, including protein powders, vitamins, and supplements designed to meet specific health and fitness goals. True Nutrition stands out in the industry by allowing customers to create their own unique blends, ensuring that each product aligns with personal preferences and dietary needs. The company emphasizes quality by sourcing raw ingredients from trusted suppliers and conducting rigorous testing to verify product integrity. With a workforce of 26 employees, True Nutrition operates solely in the United States, focusing on delivering high-quality nutrition solutions without the distractions of excessive marketing or gimmicks. Their commitment to customer satisfaction and product excellence has helped them carve out a niche in the competitive nutritional supplement market.

12. Nutrishop Usa

• Website: nutrishopusa.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: nutrishop-usa

Nutrishop USA, based in Irvine, California, is a private health supplement retailer that specializes in dietary and nutritional products. Since its inception in 2003, Nutrishop has focused on providing a wide array of supplements, including protein powders, weight management solutions, and muscle optimizers. The company caters to health-conscious consumers through its online store and physical locations, emphasizing personalized service and expert guidance. Nutrishop also features a variety of brands, showcasing its commitment to quality and efficacy in the products it offers. The company has not reported any funding, indicating a self-sustained growth model. With a dedicated team and a consultative approach, Nutrishop has built a reputation for helping individuals achieve their health and fitness goals.

13. Olly Pbc

• Website: olly.com
• Ownership type: Corporate
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 99%
• Latest funding: April 2019
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: olly-pbc

Olly Pbc, based in San Francisco, California, is a health and wellness brand that specializes in vitamin supplements. Since its inception in 2013, Olly has focused on creating products that cater primarily to women and children, addressing various health needs through a well-curated selection of vitamins and supplements. The company operates on a direct-to-consumer model, which allows for streamlined access to their products via their online platform. Olly's product range includes offerings for sleep, mood support, beauty, gut health, immunity, and more, showcasing their commitment to providing science-backed solutions. Additionally, Olly is recognized as a B-Corp, reflecting its commitment to social and environmental performance, accountability, and transparency. This positioning not only enhances their brand image but also aligns with the values of a growing segment of health-conscious consumers.

14. Sunfood Superfoods

• Website: sunfood.com
• Ownership type: Family Owned
• Headquarters: El Cajon, California, United States (USA)
• Employee distribution: United States (USA) 90%, Kenya 10%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: sunfood

Sunfood Superfoods, based in El Cajon, California, is a family-owned health food retailer that has been in operation since 1994. The company specializes in superfoods and dietary supplements, offering a wide array of organic products designed for health-conscious consumers. Their product lineup includes items such as superfood algae, nuts, seeds, snacks, and various supplements aimed at enhancing nutrition and overall well-being. Sunfood primarily sells its products through its online store, providing direct access to a growing customer base. The company emphasizes the importance of quality and sustainability in its sourcing practices, which resonates with today's health-focused consumers. With a workforce of around 86 employees, Sunfood maintains a significant presence in the nutritional supplement market, particularly in the organic segment.

15. Cymbiotika

• Website: cymbiotika.com
• Ownership type: Private
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: cymbiotika-llc

Cymbiotika, based in San Diego, California, is a health supplement retailer that specializes in a variety of dietary supplements designed to enhance overall wellness. Founded in 2018, the company has quickly gained traction among health-conscious consumers. Their product lineup includes liposomal magnesium, glutathione, and vitamin C, among others, which are marketed for benefits such as improved energy, immunity, and skin health. Cymbiotika operates primarily through an online store, providing easy access to their offerings. They emphasize the use of clean, traceable ingredients and have developed a strong brand identity focused on health and vitality. The company also engages customers through educational content and resources, reinforcing their commitment to wellness and informed consumer choices.

16. NeoLife International

• Website: shopneolife.com
• Ownership type: Private
• Headquarters: Santa Clara, California, United States (USA)
• Employee distribution: Nigeria 35%, United States (USA) 20%, South Africa 11%, Other 33%
• Founded year: 1958
• Headcount: 51-200
• LinkedIn: gnld-international-llc

NeoLife International, founded in 1958 and based in Santa Clara, California, is a private health and wellness company that specializes in whole food nutritional supplementation. The company offers a broad array of products designed to enhance health and well-being, including solutions for heart health, immunity, energy, and personal care. NeoLife operates through an online platform, providing consumers with direct access to its offerings. The company has a significant employee distribution, with a notable presence in countries like Nigeria, the USA, and South Africa. NeoLife emphasizes its commitment to quality and scientific backing, featuring a Scientific Advisory Board that supports its product development. The company has maintained relevance in the nutritional supplement sector for decades, focusing on natural ingredients and holistic health solutions.

17. Nature Made

• Website: naturemade.com
• Ownership type: Private
• Headquarters: Corte Madera, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1971
• Headcount: 11-50
• LinkedIn: nature-made

Nature Made, based in Corte Madera, California, is a private company that has been operating since 1971. It specializes in health and wellness products, particularly vitamins and dietary supplements. The company offers a wide array of products designed to help consumers enhance their health and nutritional intake. Nature Made operates an online store, allowing customers to purchase their products directly. The brand is recognized for its commitment to quality, as evidenced by its claim of being the '#1 Pharmacist Recommended Vitamin & Supplement Brand'. This endorsement suggests a strong reputation among healthcare professionals, which can be a significant factor for consumers when choosing supplements. Nature Made's product line includes multivitamins, minerals, and herbal supplements, addressing various health concerns and dietary needs.

18. MaryRuth's

• Website: maryruthorganics.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 93%, Mexico 2%, Pakistan 2%, Other 2%
• Latest funding: August 2024
• Founded year: 2014
• Headcount: 51-200
• LinkedIn: maryruth-organics

MaryRuth's, based in Los Angeles, California, is a health supplement brand that specializes in a wide array of vitamins and dietary supplements tailored for different life stages. Founded in 2014 by MaryRuth Ghiyam, a certified health educator and culinary chef, the company is dedicated to providing high-quality, vegan, and non-GMO products. Their offerings include liquid vitamins, probiotics, and gummies, all designed to support overall wellness and address specific health needs. MaryRuth's stands out in the industry for its rigorous quality control, including third-party testing for over 200 contaminants, ensuring that their products meet high safety standards. The company has also made strides in community engagement, offering wellness rewards and educational resources to empower consumers in their health journeys.

19. Kos

• Website: kos.com
• Ownership type: Venture Capital
• Headquarters: Santa Barbara, California, United States (USA)
• Employee distribution: United States (USA) 95%, South Africa 5%
• Latest funding: Series A, $12.0M, February 2022
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: kos-naturals

KOS is a health and wellness brand based in Santa Barbara, California, founded in 2017. The company specializes in plant-based nutritional products, catering to health-conscious consumers. KOS offers a variety of items, including protein powders, superfood blends, and capsules, all crafted from high-quality, organic ingredients. The brand emphasizes the importance of taste, claiming that their products do not compromise on flavor while providing nutritional benefits. KOS operates primarily as an online retailer, allowing direct access to its products. The company has attracted venture capital funding, with a notable Series A round of $12 million in February 2022, reflecting strong investor interest in its growth and market potential. KOS also engages its customers through initiatives like a rewards program and health goal quizzes, enhancing customer interaction and loyalty.

20. NatureWise

• Website: naturewise.com
• Ownership type: Private
• Headquarters: Costa Mesa, California, United States (USA)
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: naturewise

NatureWise, based in Costa Mesa, California, is a private health supplement retailer that has been operational since 2012. The company specializes in a wide array of dietary supplements, vitamins, and herbal products aimed at supporting various health needs. Their offerings include multivitamins, herbal supplements, and products designed for specific health concerns such as immune support, stress management, and digestive health. NatureWise emphasizes the use of clean, non-GMO ingredients and ensures that their products are manufactured in the USA and third-party tested. The company primarily sells its products through an online store, catering to health-conscious individuals seeking effective wellness solutions. With a workforce of around 26 employees, NatureWise has carved out a niche in the competitive nutritional supplement market, focusing on quality and customer satisfaction.

21. Amazing Grass

• Website: amazinggrass.com
• Ownership type: Corporate
• Headquarters: Newport Beach, California, United States (USA)
• Employee distribution: United States (USA) 85%, Canada 15%
• Latest funding: February 2017
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: amazing-grass

Amazing Grass, founded in 2002 and based in Newport Beach, California, is a health supplement company that specializes in plant-based nutrition products. Their product line includes greens blends, protein powders, and effervescent tablets, catering to health-conscious consumers looking to enhance their diets with nutrient-rich options. The company emphasizes the use of organic ingredients, sourcing their nutrient-rich cereal grasses from a third-generation family farm in Kansas. Amazing Grass primarily sells its products through an online store, providing direct access to consumers. They actively engage with their community through a blog that offers health tips, recipes, and information about the benefits of their products, fostering a loyal customer base. With a workforce of around 54 employees, Amazing Grass maintains a focused approach to its operations, ensuring quality and customer satisfaction.

Nutritional Supplements Insights: Key Companies in California

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