60 Day Weight Loss Challenge

Lose Weight, Feel Better, Live Healthier 


About Us



Many struggle with weight and healthy eating including your healthcare professionals. OnCall Weight Loss started as a trial program to help our staff, family and friends lose weight, feel better and live healthier. We wanted to create a program which is easy to understand, easy to follow and therefore easy to stick with. 


If you are someone who wants to lose a little weight, needs to lose a lot or maybe you just want to feel better, we welcome you to join in with our staff, friends and family on our health and weight loss journey. Our goal is to be an example of how small changes and short term goals can lead to healthier lifestyle habits and lasting weight loss results. 

How much have members lost?

58 lbs

Record for most weight lost with OnCall Weight Loss so far.

What is the 60 Day Weight Loss Challenge?



OnCall Weight Loss's 60 Day Challenge consists of 4 parts over a 60 day period. Each part introduces members to a different way of eating and thinking about the foods we eat.

As you go through this program you will learn about foods and you will take steps to develop better habits and lasting weight loss results.

  • Part 1 & 2

    Builds a foundation for daily health and long term weight loss success by introducing members to small changes that lead to  big impacts.

  • Part 3 & 4

    Builds upon what you've learned in Parts 1 & 2. Introduces members to new ways of eating & thinking about what they eat. 

This program has shown to be effective and achievable by focusing on short term achievable goals. Life is a journey and weight loss is something that everyone seems to struggle with at some point in their life.


Just remember that everything worthwhile is difficult and takes time however, the result you receive is usually the direct proportion of the effort that is applied.


Commit 60 Days, give it your all and see what results you can achieve.

At the end of the 60 Day Challenge you can choose to continue on in pursuit of your larger health and weight loss goals or, if you've met your goals, slowly reintroduce foods back into your diet.

We look forward to being part of your health and weight loss journey.

Weight Loss Trend Example

60 Day
Post Challenge
Continued Maintenance

Program Creator

Wendy Markovich, MSN-FNP

I created OnCall Weight Loss after struggling with the excess weight of having 2 kids. I gained a lot of weight after my second baby and became frustrated at not being able to lose the weight. Like many others, I have a busy schedule with my boys and working full time. I also did not have time to exercise or go to the gym so I needed a program that did not require hours of exercise. How would it be possible to fit a diet into my hectic schedule? I started to think of a ways I could incorporate multiple weight loss strategies into one program. I wondered, if I combined them, would it work? I put together a program for myself and, in discussing it with friends and family, they wanted to try it with me. We ended up with a sample group that consisted of a wide range of weight loss goals and ages. This was the first group for our weight loss trial program. We all went through the 60 day program and amazingly...we ALL had very successful results. By the end of the 60 days I had lost 26 pounds and, 2 months after the end of the program, I was down 51 pounds. Since all the trial participants experienced positive benefits and weight loss, we decided to create OnCall Weight Loss as a program that can help others like it has helped me. 

Where is OnCall Weight Loss Available?

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OnCall Weight loss

An Arizona based Company

Office Hours: M-F 8am - 5pm MST

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