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This profile was last updated on 8/30/15  and contains information from public web pages and contributions from the ZoomInfo community.


Phone: (972) ***-****  
Email: m***@***.com
Local Address:  Garland , Texas , United States
Naturally Slim Inc
1350 E. Arapaho Road Suite 234
Richardson , Texas 75081
United States

Company Description: A weight loss and metabolic syndrome reduction program with an average of over 10 pounds lost in 10 weeks and a 50% metabolic syndrome reversal rate

Employment History

Board Memberships and Affiliations

  • Founder


  • nurse practitioner
    Texas Woman's University
  • MS
  • Bachelor of Science Degree
  • Master of Science degree
    Texas Woman's University
16 Total References
Web References
Naturally Slim - 2010 NPE of the Year, 24 May 2015 [cached]
Marcia Upson, NP, president of Naturally Slim
Marcia Upson comes from a family of entrepreneurs. But it was her mother's struggles with weight that sparked Marcia's own entrepreneurial flame.
I'm going to quit dieting and start watching thin people,'" Upson says. And so she laid the groundwork for Naturally Slim in 1978.
Like Mother, Like Daughter
Breithaupt saw that naturally slim people, whom Upson calls "true thins," have a good sense of when and how much to eat.
Upson lost 30 pounds following the program, then had a light bulb moment of her own.
When Upson graduated from Texas Woman's University as a nurse practitioner in 1999, she started seeing patients who needed prescriptions to treat conditions that could be controlled with dietary change. "I'd think, 'If they'd just lose a little weight, they wouldn't need this!'"
She decided to follow her passion and start teaching her mother's Naturally Slim principles. She formalized the principles into a 10-week course and started the business by inviting a few friends over to her home in Garland, Texas.
In 2004, a New York company that provides healthcare to business executives contacted Upson. They wanted their executives to follow the Naturally Slim approach. Upson had no way to deliver the program to remote clients, so she created a website,
"I didn't have money for fancy videos to put on it," she says, but clients needed to watch videos of the 10-week course. She borrowed her brother's video camera, set it up in her kitchen and taped herself teaching.
"We ran a pilot class, and the average triglyceride level lowered by 50 points," Upson says. The city's government continues as a client today.
Despite these remarkable successes, Upson still struggled to get the word out about her business. A breakthrough came in 2005 when the city of Garland invited Upson to share the results from the pilot at a national conference for city and state governments. There, she met Wally Gomaa, whose company, Accountable Care, Accountable Patient, works with Sabre Holdings, a large travel-industry corporation. Gomaa offered to help Upson market the business.
Upson says.
Upson has reinvested much of the money she's made, which has helped her get on track to having a multimillion-dollar business. "We don't mind that sometimes it can just get crazy busy! she declares.
As far as improvements in client health, the numbers are staggering. With an average weight loss of 10 pounds per person during the 10-week class, Upson and her instructors have helped 34,000 clients lose at least 340,000 pounds. Upson remembers several people who lost 170 pounds or more. A survey she conducted showed that 2.5 years after the program ended, 80% of clients had kept the weight off. Upson often hears from clients who have been able to discontinue hypertension or cholesterol medications as a result of her program. And 45% of people who had metabolic syndrome at the start of the program no longer do afterward.
Natural Evolution
As Americans continue to gain weight, Upson is poised for the challenge of helping them get and stay healthy. She has already filmed videos for a stay-slim plan, which will update clients who are using a continuous (maintenance) plan.
Upson has also talked to grocery store chains about creating smaller-portion foods for a "True Thin" food product line. And she's working on an iPhone app that will allow users to take photos of meals instead of writing down what they ate.
"It's fun and fascinating thinking of new ways to make it easier for people to make lifestyle changes," Upson says.
Naturally Slim - Team, 24 May 2015 [cached]
Marcia Upson, RN, MS, Family Nurse Practitioner-Certified
President, Naturally Slim, Inc
"The addition of the NSTown social ..., 21 May 2009 [cached]
"The addition of the NSTown social network to our program has been amazing," says Marcia Upson, president of Naturally Slim.
Upson said that corporations are starting to address these health issues using programs like Naturally Slim and cubeless to reach employees all over the country.
"By combining our program's 30-year track record of success with online tools such as our NSTown social network powered by cubeless, Naturally Slim has created an effective healthy lifestyle program that can be quickly and easily executed by any company, regardless of where employees are located, and that has been proven to change lives," said Upson.
Naturally Slim - Home, 19 April 2006 [cached]
Marcia Upson: Nurse Practitioner Enterpreneur of the Year, 2010
Each week, Naturally Slim President Marcia Upson shares helpful eating tips and new techniques for achieving success on the program.
PLANO SUNRISE ROTARY, 23 May 2008 [cached]
TODAY'S PROGRAM, introduced by Program Chairthing Michelle Robbins was Marcia Upson, President of Naturally Slim . Marcia is a family nurse practitioner and the daughter of the founder. She is certified by the American Academy of Nurse Practitioners and received both her Bachelor of Science and Master of Science degrees from Texas Womans' University. Marcia helps her clients gain control of their health through knowledge. Her students consistently remark that they now possess a lifestyle of eating the foods they like while improving their health and losing weight. She pointed out that sugar consumption has gone from 10 pounds a year per person in the 1940's to over 200 pounds a year in the 2000's.
Fri, May 23 - Marcia Upson, Naturally Slim
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