A Registered Dietitian Nutritionist (RDN) is an individual who is a food and nutrition expert who has met rigorous criteria to earn the RDN Credential. RDN’s need to complete a minimum of a bachelor’s degree at a US regionally accredited university and course work approved by the Accreditation Council for Education in Nutrition and Dietetics (ACEND).
They are also responsible to complete an ACEND-accredited supervised practice program consisting of 1,200+ hours in various health-care facility settings. The final step in the process to becoming an RDN involves an extremely difficult national examination administered by the Commission on Dietetic Registration.
RDN’s study a variety of subjects ranging from food and nutrition sciences, business economics, computer science, culinary arts, biochemistry, physiology, microbiology, anatomy, and chemistry.
A Registered Dietitian Nutritionist (RDN) is an individual who is a food and nutrition expert who has met rigorous criteria to earn the RDN Credential. RDN’s need to complete a minimum of a bachelor’s degree at a US regionally accredited university and course work approved by the Accreditation Council for Education in Nutrition and Dietetics (ACEND).
They are also responsible to complete an ACEND-accredited supervised practice program consisting of 1,200+ hours in various health-care facility settings. The final step in the process to becoming an RDN involves an extremely difficult national examination administered by the Commission on Dietetic Registration.
RDN’s study a variety of subjects ranging from food and nutrition sciences, business economics, computer science, culinary arts, biochemistry, physiology, microbiology, anatomy, and chemistry.
A Registered Dietitian Nutritionist (RDN) is an individual who is a food and nutrition expert who has met rigorous criteria to earn the RDN Credential. RDN’s need to complete a minimum of a bachelor’s degree at a US regionally accredited university and course work approved by the Accreditation Council for Education in Nutrition and Dietetics (ACEND).
They are also responsible to complete an ACEND-accredited supervised practice program consisting of 1,200+ hours in various health-care facility settings. The final step in the process to becoming an RDN involves an extremely difficult national examination administered by the Commission on Dietetic Registration.
RDN’s study a variety of subjects ranging from food and nutrition sciences, business economics, computer science, culinary arts, biochemistry, physiology, microbiology, anatomy, and chemistry.
abouT us
Founded in 2018, Altitude Nutrition & Exercise Consulting was built on one simple mission: helping individuals elevate their health through personalized, results-driven care.
At Altitude, we believe better health begins with a personalized approach. Our goal is to bridge the gap between knowing what to do and consistently putting it into action through tailored nutrition, exercise, and lifestyle strategies designed around your unique goals, health status, and circumstances.
We combine physician-supervised medical weight loss, personalized nutrition counseling provided by licensed dietitians, and exercise consulting by certified personal trainers to help individuals across Northeastern Pennsylvania improve metabolic health, enhance physical performance, and achieve sustainable, long-term results.
Our mission is to create a positive, supportive environment that empowers individuals to build healthier habits, improve quality of life, and reduce the burden of chronic disease through education, accountability, and evidence-based guidance.
Whether your goal is weight loss, improved energy, chronic disease management, enhanced physical performance, or simply developing healthier long-term habits, our team is committed to helping you build a healthier, more sustainable future.



MEEt the professionals

Adam Hook, MS, RDN, LDN, ACSM-CPT
Adam is the Founder of Altitude and has dedicated nearly two decades to helping individuals improve their health, wellness, and quality of life through personalized nutrition and exercise strategies. Born and raised in Northeastern Pennsylvania, Adam developed a passion early on for educating and empowering others to achieve healthier, more sustainable lifestyles.
Adam earned a Bachelor of Science in Psychology from Misericordia University and a Master of Science in Sports Nutrition and Exercise Science from Marywood University, providing a strong foundation in both the behavioral and physiological aspects of long-term health and wellness.
After completing Academy of Nutrition and Dietetics (AND)-approved training and passing the national registration examination, Adam earned the credential of Registered Dietitian Nutritionist (RDN). He later became licensed in Pennsylvania as a Licensed Dietitian Nutritionist (LDN), allowing him to provide medical nutrition therapy.
In addition to his nutrition expertise, Adam earned his Nationally Accredited Personal Training Certification through the American College of Sports Medicine (ACSM-CPT), further strengthening his ability to integrate evidence-based exercise strategies into patient care.
Today, Adam combines his background in nutrition, exercise science, psychology, and behavior change to help individuals improve metabolic health, manage chronic disease, enhance physical performance, and achieve sustainable long-term results. He is passionate about creating a healthier future and remains committed to helping people reach their health goals regardless of their starting point.

Catherine Madsen, MS, RDN, LDN, ACE-CPT
Catherine is a Registered/Licensed Dietitian and Certified Personal Trainer at Altitude Nutrition & Exercise Consulting. She has always had a passion for health, wellness, and helping others achieve meaningful improvements in their nutrition, fitness, and overall well-being. Catherine earned a Bachelor of Science degree in Nutrition and Dietetics and a Master of Science degree in Nutrition from Marywood University.
She completed extensive Academy of Nutrition and Dietetics (AND)-approved coursework and successfully passed the national registration examination administered by the Commission on Dietetic Registration, earning the credential of Registered Dietitian Nutritionist (RDN). As a Licensed Dietitian Nutritionist (LDN) in the state of Pennsylvania, Catherine is qualified to provide medical nutrition therapy, helping individuals improve health outcomes, manage chronic conditions, and reduce future disease risk.
In addition to her nutrition expertise, Catherine earned her Nationally Accredited Personal Training Certification through the American Council on Exercise (ACE-CPT), allowing her to provide personalized one-on-one and small group fitness guidance tailored to individual goals and abilities.
Catherine is passionate about helping individuals make sustainable health improvements through realistic nutrition and exercise strategies. She welcomes individuals of all backgrounds and remains committed to continuing her education to provide the highest level of professional, evidence-based care.



Our Beliefs
With the overwhelming amount of conflicting information surrounding nutrition and exercise—from television, social media, the internet, and even well-meaning friends and family—it can be difficult to know where to begin. Too often, unrealistic promises and short-term solutions overshadow sustainable, long-term success. At Altitude, our Registered Dietitians and Certified Personal Trainers help simplify the science of nutrition and exercise, translating evidence-based strategies into practical, personalized solutions that fit your lifestyle and goals.
We believe healthy living should be realistic, individualized, and sustainable. Through personalized nutrition, exercise, and lifestyle guidance, we help individuals build healthier habits that support improved health outcomes, long-term wellness, and a better quality of life.
Nutrition impacts nearly every aspect of health—from energy levels and physical performance to sleep, mood, focus, and disease risk. Because of this, we believe nutrition counseling should be a routine part of preventive healthcare, much like annual visits with your physician or dentist. Regular guidance from a dietitian can help ensure your nutrition is supporting your long-term health, performance, and overall well-being.
Ready to start elevating your health? Let us help you take the first step toward a healthier future today.



At Altitude , you are more than just a number—you are an individual with unique goals, challenges, and needs. We are committed to providing personalized, supportive care and guiding you every step of the way toward improved health, better habits, and lasting success.
Our services are designed for individuals of all ages, abilities, and fitness levels. We offer a comprehensive range of services including medical nutrition therapy (MNT), personalized nutrition counseling, weight management, physician-supervised medical weight loss, personal training, exercise programming, sports nutrition, online health coaching, and individualized nutrition and exercise plans tailored to your specific goals and lifestyle.
Many of our services are covered by most health insurance plans, helping make high-quality care more accessible. Coverage and eligibility may vary, so we encourage you to contact your insurance provider for details regarding medical nutrition therapy (MNT), nutrition counseling, or preventive nutrition services provided by a Registered Dietitian.
No insurance? No problem. We offer flexible payment options, including cash, credit card, and Bitcoin. If you would like assistance understanding your insurance benefits, our team is happy to complete an insurance benefits check for you—simply contact us to get started.



What sets us apart
At Altitude, we believe meaningful health improvements come from a personalized, comprehensive approach. By combining expertise in nutrition, exercise, and behavior change, we are able to help individuals more effectively improve health outcomes, optimize performance, and achieve sustainable weight management goals.
We are committed to providing the guidance, education, and support needed to help you succeed. Research consistently supports the combination of proper nutrition and regular physical activity as the foundation for long-term health, improved quality of life, and disease prevention.
Ready to start elevating your health?
Contact us today and take the first step toward a healthier future.




