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Nutrients in Ninety

Learn which nutrients make a difference.

Spend a little time with Dr. Nancy and Dr. Sue as we share quick information on nutrients. You'll learn:

  • The most important nutrients for your body
  • Where these nutrients work
  • Symptoms you may be having if they are low
  • How you became malnourished in the first place
  • How much of a nutrient you may want to take to improve your symptoms
  • General information on nutrient safety

Each video contains a short segment on a specific healing nutrient. The videos are packed with helpful information, so pause if you need to. The information comes fast so you don't waste any valuable time. Enjoy.


Your Instructor


Dr. Nancy Sturtz and Dr. Susan Gross
Dr. Nancy Sturtz and Dr. Susan Gross

FitWit -Your Brain Game Plan was created so you can easily take steps to improve your brain function. We believe brain health is the foundation to long-term success. We've worked with thousands of individuals and have discovered that those that were the most successful had two things in common....a willingness to try something new and the courage to take action. If you're reading this now - that's you!

Through our research and experience, we developed FitWit - Your Brain Game Plan to uncover the best ways to make powerful, yet simple changes to improve your brain so you can move forward. We are Internal Medicine physicians with additional certification in Functional Medicine. Our education and vast experiences have laid the groundwork for our program. We just can't stop learning and sharing! We love to teach and help put all the pieces of the puzzle together.

We are also sisters. Several years ago we had our own health struggles that included sluggish brains- but we researched, put our information into action and overcame them. Now it's your turn!

We promise you'll learn where to start, be able to impress your friends and family with your knowledge and you will forever be changed for the better. The steps you take in the comprehensive mastery course will be easier than you think once you have the crucial information. You'll be able to experience FitWit at your own pace. We'll be there to guide you with every step.

Nancy Sturtz, M.D., MBA, CFP

Susan Gross, M.D. Ph.D, CFP

Functional Medicine Plus



Course Curriculum



Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Thank you very much for taking time out of your busy schedule to learn with us.

Get started now!