Meet the Services with Wendi Team!

 Registered Dietitian and Female Sports Expert:

Sophia Williams MS, RD

Registered Dietitian and Sports Nutritionist:

Brenna Dardar MS, RD

Founder, Dietitian, Certified Sports Nutritionist, and

Fitness Coach:

Wendi A. Irlbeck, MS, RDN, LD, CISSN

Sophia - NYC Marathon

Sophia Williams, MS, RD

Sophia is a registered dietitian and sports nutritionist, avid runner, cyclist, and advocate for healthy living. Sophia is currently pursuing her PhD in Exercise Physiology at the University of Miami, where she is advancing her research skills to elevate sports nutrition with the latest science and research methods. Recently, Sophia ran her marathon debut at the New York City Marathon in 3:01! Meet Sophia!

Sophia earned her Bachelor of Science in Nutrition and exercise Physiology with a minor in Psychology at the University of Missouri (Mizzou), where she ran cross country, indoor and outdoor track and field. While at Mizzou, Sophia competed on numerous SEC and Midwest Regional teams, earning the Tiger of the Week and the Tom Botts Awards. She earned her Master of Science in Nutrition and Dietetics (Sports Nutrition emphasis) from Southern Illinois University Edwardsville.

Sophia loves working with athletes in all sports but has worked particularly closely with runners (long-distance, cross country, track), cyclists, swimmers, and football and soccer players. She specializes in performance, muscle gain, disordered eating, RED-S, hormonal regulation, fat loss, and food allergies/sensitivities. Sophia has been fortunate to work with numerous NCAA Division I teams, including Arizona State Sun Devils football, Missouri Tigers football, and basketball, Saint Louis Billikens basketball and cross country, as well as the Alton Elite Hockey School.

Sophia loves to cook and to make food from scratch. She believes in creating lifelong healthy eating habits to properly fuel the body; food should provide energy and promote recovery while also being delicious and satisfying us emotionally! Her mission is to help all clients find this balance.

Sophia’s favorite quote: “To give anything less than your best is to sacrifice the gift.” -Steve Prefontaine


Brenna Dardar MS, RDN

Brenna Dardar is a dedicated registered dietitian with a passion for empowering individuals to lead healthier lives. Her journey began in clinical dietetics, where she gained invaluable experience working with a diverse range of patients managing various chronic diseases and conditions. This early experience honed her skills and deepened her understanding of the vital connection between diet and overall well-being.

Brenna’s lifelong passion for an active lifestyle, rooted in her cheerleading and dancing background, fueled her desire to help student-athletes perform at their best. After a personal journey of perseverance and growth, making the LSU cheerleading team, Brenna discovered her love for sports nutrition. Her commitment to the field led her to earn a Bachelor’s degree in Nutrition & Food Sciences from Louisiana State University.

During her undergraduate years, Brenna served as a performance nutrition intern for LSU’s athletic program, working closely with athletes from various sports, including football, baseball, running, swimming, and basketball. She later completed her dietetic internship at North Oaks Medical Center, seizing the opportunity to contribute to Southeastern Louisiana University’s newly established performance nutrition program during a sports nutrition rotation.

Recognizing the overwhelming abundance of information available today, Brenna is on a mission to simplify the process of choosing the right diet and lifestyle for optimal performance. She takes pride in teaching others how to fuel their bodies effectively and cultivate a healthy, sustainable lifestyle, aiming to alleviate confusion and overwhelm.

Brenna specializes in working with athletes across diverse sports such as soccer, football, LAX, baseball, track and field/cross country, and many other team sports. Additionally, she enjoys collaborating with adults who are passionate about fitness and seek to enhance their body composition. With Brenna’s expertise, individuals can navigate the complex world of nutrition with confidence, achieving their performance goals and fostering a lasting commitment to well-being.

Brenna is based in San Antonio, TX with her husband who is in the military and their fur babies.

Brenna’s Welcome Video:

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Wendi A. Irlbeck, MS, RDN, LD, CISSN

Nutrition can make a good athlete great or a great athlete good. The difference between being good and being great is found in our daily routine. We help you build a healthy routine that offers structure with an emphasis on quality sleep, nutrition, and prayer. Structure supports success!

Wendi is a follower of Jesus and a devoted Christian who uses her God-given talents and abilities to help others as a means to Glorify Christ. Wendi is an internationally recognized speaker, registered dietitian, writer, motivator, performance nutritionist, and healthy lifestyle coach. Wendi has well over a decade of experience in health and fitness while helping thousands of athletes over the years.

She utilizes evidence-based science to create nutrition programs so athletes can optimize performance, minimize health risks, and enhance recovery from training while focusing on injury prevention. She partners with parents, sports performance staff, special needs, and recreational athletes, and organizations to eat and fuel for success. We also work with the general population on healthy eating.


Wendi has presented at various conferences and clinics. To name a few, the University of Regina in Canada, the University of Northwestern in Iowa, the Basketball Coaches Association of Michigan, the International Society of Sports Nutrition,  Northwestern State Clinic, and the Michigan State High School Strength and Conditioning Association Clinic.

Wendi earned both her B.S. and M.S. at the University of Wisconsin-Stout.  She invested time learning from several professionals in the field working unpaid hours to gain knowledge and experience. Wendi served as a sports nutrition intern at the University of Wisconsin-Stout providing nutrition education to all sports teams. Wendi has clinical and wellness experience working for companies like United Health Group, LifeTime Fitness, and the Mayo Clinic. She wanted to gain as much experience in all settings of health and sports medicine to connect with others on a higher level.

Wendi earned a competitive sports nutrition internship at the University of Florida in 2016 while wrapping up her M.S. degree.  Wendi offers virtual nutrition coaching services across the USA, Canada, and the UK. Wendi is based in Nashville, TN but is available to travel on-site for events and clinics or provide virtual services.

She is heavily sought out for helping medical professionals including nurses, doctors, dentists, and physician assistants learn how to properly eat in a high-stress environment. Wendi works closely with high school and college athletes to gain muscle, lose body fat, and transform their mindset using evidence-based guidance. Wendi also works closely with families on healthy eating and also offers her elite Men’s Fat Loss Coaching group that has helped hundreds of men in their 40’s lose fat and gain confidence!

We are here to serve you collectively to achieve your next level by using an evidence-based approach that is biblical and individualized.  With God all things are possible! When you partner with us you are joining a community and a culture. You are never alone, it’s never a “me” thing but a “WE” thing! It’s all for Him.


Wendi has also taken her own advice over the years and transformed her mind, body, and faith in God. See her transformation here.

The goal of Nutrition with Wendi is to serve those who aspire to improve and excel in their athletic performance and health. We define success by transforming each individual, athlete and competitor in their respective goals. Nutrition can make a good athlete great or a great athlete good! It is paramount to control your controllables. Nutrition is a controllable.

We help busy high school and college athletes gain muscle, improve strength, and enhance recovery

We partner with both high school and college student-athletes to improve their nutrition and sleep to optimize health and physical performance! We give you a simple plan to follow that removes the guesswork!

We are available for onsite and virtual health and sports nutrition presentations

Presentations include a variety of topics such as sports nutrition, heart health, women’s health, men’s fat loss, weight gain, weight loss, nutrient timing, recovery from injury, supplement use which includes (protein powders, creatine, and other market options), and how to eat to reduce inflammation as a competitive athlete or active adult!

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“Working with Wendi helped me understand how to properly fuel my body and that I needed more carbohydrates as a distance runner. We met on ZOOM regularly to review my nutrition, and fueling plan around my training as well as recovery.”

Caroline Schoen
Flossmoor HS, IL

carson 2022

“Wendi helped me understand what to eat at meals and snacks to gain weight. Along with the timing of my meals. We discussed sleep and drinking more fluid. I immediately had more energy in class and at training with her tips. “

Florida HS Football Athlete

“She has been working so hard in the pool, weight room and her nutrition. Fueling played a huge part in her success. Thank you Coach Sydney for all your help and advice.”

Mom of high school athlete

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DYK⁉️ Up to 40% of athletes have experienced at least one stress fracture🤕?

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Our mission is to help the youth, high school, and college student-athletes be their healthiest, strongest, best selves! We help busy families and individuals lose fat, gain muscle, and grow their relationship with Christ. We do this by partnering with you and walking you through a clear, custom, and simple plan to achieve your greatest health, fitness, and performance!