Founded by Keri Glassman, a nationally recognized celebrity nutritionist, registered dietitian, healthy cooking expert and published author, The Nutritious Life Studio (TNS) provides cutting-edge nutrition and wellness education and supports a thriving community of wellness professionals in building and growing their healthy businesses. Its signature course is the Nutritious Life Certification, a 13-part, go-at-your-own-pace online nutrition education and brand building program. You’ll learn from Keri and an incredible team of practicing health and wellness experts and gain real and relevant skills in nutritional principles, counseling techniques, and marketing strategies.
The Nutritious Life Studio puts you face-to-face every week with Keri Glassman. Together you’ll receive per-sonalized mentorship, nutrition education, and business coaching from one of the most successful experts in the field.Meet Keri Glassman
In addition to ’s team of registered dieticians, once you’re Nutritious Life certified, you’ll have exclusive access to sessions led by some of the health and wellness industry’s brightest and biggest stars.Meet Our Instructors
All TNS students and alumni receive an invitation to our annual Masterclass, a two-day health and wellness experience bringing together TNS staff, students, alumni, experts, and special guests to connect, share, celebrate, and inspire one another.
Ready to jumpstart your health and wellness career?Apply Now
Alyssa Gagarin, NLC Chef, Trainer, + Fitness Instructor
“I recommend The Nutritious Life Studio to everybody that's interested in nutrition, wants to work one on one with clients, has a blog or wants to learn the business side of nutrition. I got so much out of it!”Molly Rieger, MS, RD, NLC Registered Dietitian and Entrepreneur
Molly Rieger, MS, RD, NLC Registered Dietitian and Entrepreneur
Naomi Arbit, PhD, MS, MA, NLC Behavioral Nutritionist + Yoga Instructor
“What you get from The Nutritious Life Studio in return for your time and money commitment will take you to the next level. It's already done that for me in such a short amount of time and will continue to do so. ”Lori Wilshire, NLC Personal Trainer
Lori Wilshire, NLC Certified Personal Trainer
“Keri and her team could not have been more accessible - whether it was through our private Facebook group or just shooting someone an email saying "Hey I need this" or "I missed that."”Cassie Piasecki, NLC Pilates Instructor and AADP Holistic Health Practitioner
Cassie Piasecki, NLC Pilates Instructor and AADP Holistic Health Practitioner
“I was missing some key skills that I thought The Nutritious Life Studio could provide and it absolutely did...in just a year, I have a private practice and feel a lot more confident.”Lisa Hayim, MS, RD, NLC Founder of The Well Necessities
Lisa Hayim, MS, RD, NLC Founder of The Well Necessities
“Overall I've gained a ton of confidence to share the nutrition knowledge I already had, plus all that I've learned from Keri's vast experience. Becoming Nutritious Life Certified was a wonderful experience, and Keri couldn't be more inspiring.”Danielle Diamond, NLC Founder of Xen Strength Yoga
Danielle Diamond, NLC Founder of Xen Strength Yoga
“TNS gave me amazing tools to use with clients and I learned how to communicate with a variety of personalities. I'm now adding a nutrition component to my fitness programs, which what people are looking for, and It's nice to have Keri's credibility and tell clients, "This is the woman that I worked with!" ”Kim Wallis, CSCS, NLC Founder of Pilates4Pros
Kim Wallis, CSCS, NLC Founder of Pilates4Pros
“I stepped outside my comfort zone to attend the TNS Masterclass and left feeling refreshed, renewed and full of ideas. But the best part was all the amazing women I met who are all doing amazing things in the world of healthy living. I am thankful for each and every one of you!”Alyson Poling, NLC Certified Fitness Instructor & Fitness Nutritionist
“I left TNS Masterclass with a full heart from getting to know and learn from the most empowering group of women, a full mind bursting with ideas, and a sore booty from the workouts! Thank you Keri!”Kate Turner, MA, RD, CSSD, CPT, NLC Registered Dietitian & Personal Trainer
“I've been so blessed, blown away and changed forever by your class and program. The efforts and intentions of you and your team provide a lasting SPARK for all of us to take home and share with others. You have an ability to be a vessel of information that creates a buzz of health and lasting lifestyle change. Thank you for shining bright! ”Diedre Smith Royse, NLC Chiropractor
“I’ve completely changed the way I do client consultations and nutrition plans, and as a result, my clients are getting “it” much faster. Adapting the TNS philosophy has given me the right tools, and I recommend The Nutritious Life Studio to anyone looking for a competitive edge.”Mariam Bandarian, NLC Board Certified Nutrition Health Coach, Founder www.MissNutritionista.com
“Keri has a special gift for explaining smart eating habits in a way that sticks to your brain, but never your thighs. Keri’s ambition is to empower you to look and feel your absolute best by making food your friend, not the enemy.”Michele Promaulayko Editor in Chief / Cosmopolitan, Former Editor-in-Chief / Yahoo Health + Women's Health
“This certification process has been SO much more personal than any of the other certifications I have done. I really feel like I'm part of a community, and it inspires me daily!”Tonya Andruskiewicz, NLC Founder of Dandy Life
“Keri Glassman's Nutritious Life Certification has been invaluable to my nutrition counseling career. I was trained by Keri and was an RD at Nutritious Life in NYC for 9 years, so I have first hand experience that the NL program works!”Lara Metz, MS, RD, CDN, NLC Founder of Lara Metz Nutrition
“I enjoyed The Nutritious Life Studio and got something out of each webinar and handout. I was sad when I got to the end! The TNS community is a great resource, and everyone is very responsive and so warm. I truly feel like we want each other to succeed.”Samantha Linden, RDN, NLC Founder of Nutrition-in-Balance.com
“As a dietitian with a private practice, I was most excited about getting tips from the most successful dietitian in the business! The Nutritious Life Sutdio exceeded my expectations, especially Keri's advice on branding, time management, and counseling. TNS has motivated me to take my business to the next level!”Christian Henderson, MS, RD, CDN, NLC Founder of Pure Nutrition
“The Nutritious Life Studio was exactly what I needed! What Keri teaches about nutrition and business was the perfect compliment to my coaching business. I loved the program’s structure, resources, and support from both Keri and the TNS community. This experience has been invaluable!”Christine Young, NLC Founder of ChristineYoungCoaching.com
Check out some of our other great products and courses that will help you live your most Nutritious Life.
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TNS curriculum include webinars, lessons, webinars, private chats, an exclusive online community, and quizzes to help you master information.
Want a peek?
We get it – life is busy! That’s why TNS is an online, go at your own pace course. But, to get a feel for the general schedule, we’ve created a sample schedule just for you.
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