Build With Chels

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Sedentary: No exercise and have a desk job

Exercise multiple times a day/High School or College Athlete

Working days

Working hours

Role of dietary intake in weight loss

Exercise and Physical activity linked to weight loss

Basics of calorie counting by Harvard Health

Diet and exercise for weight loss - Research paper by US National Library of Medicine

Research on weight loss, diet and workout

Source of food database used in the app

Here’s a list of some world renowned research publications that form the basis of health and nutrition advice presented in this app

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Nutrition

Insights

Resources

Workouts

Personal Trainer In Your Pocket

Chelsi Kottwitz

Hey there! I'm Chelsi Kottwitz, an ISSA Certified Elite Personal Trainer, Nutritionist, Bodybuilding Specialist, and the owner of Build With Chels and MamaRilla Sportswear.

When I'm not in the gym training clients or behind my laptop cheering on my online fitness community, I love spending time with my husband, Brandon, and my son, Kingston. With a background in sports, including softball, volleyball, dance, and cheerleading, fitness has always been a significant part of my life.

At 16, I faced a major car accident that left me with severe injuries, including a broken back, elbow, wrist, knee problems, vertigo, and a concussion. My confidence was shattered, and I was challenged both mentally and physically to recover. Through physical therapy and recovery, I discovered my love for lifting weights.

Fast forward about 15 years, and I’m still on my fitness journey, now teaching others how to stay positive and energetic through life's curveballs. Before founding my first business in 2021, I worked as a Finance Manager for a dealership and an Industrial Trades Manager for a staffing company. Building my own business from the ground up, while managing wifey and mama duties, taught me the importance of efficient and timely workouts. I know it’s possible to get and stay in shape as a working mother—if I can do it, so can you!

I have all the resources, tips, and tricks to help you get into shape while balancing everything as a mom, wife, and career woman. My goal is to teach my clients how to eat and train sustainably around their busy schedules. I understand that life is full of careers, kids, family, sports, work events, grocery shopping, and daily home tasks. These responsibilities can interfere with your health goals, but my job is to help you incorporate simple habits into your daily routine. By doing so, you won't miss out on the benefits of living a healthy and fulfilling life—and hopefully, we’ll share some laughs along the way.

Let's kick ass together and make your fitness goals a reality!


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Welcome from Chels

Welcome to the Gorilla Grit Club! This all-inclusive program is your golden ticket to a transformative journey that combines the best of fitness and nutrition, bringing together every program offered on our app under one powerful umbrella plus a personalized meal plan.

Chelsi Kottwitz, Certified Personal Trainer and Nutritionist will be with you every step of the way-helping you hit your goals in a sustainable manner.

Our all-inclusive approach ensures that you have unrestricted access to a variety of workouts, from strength training to high-intensity cardio, coupled with personalized meal guides crafted by your top-notch Nutrition Specialist. It's not just about building a better body; it's about unleashing your inner gorilla – that primal force within each of us that craves strength, confidence, and vitality.

Gorilla Grit Club

Plan Includes

How it works

Select Plan

monthly

$59.99

6 months

$269.95