Best Sports Nutrition Experts

As a NASM Certified Nutrition Coach (CNC) at Same Day Supplements, I specialize in providing science-backed, personalized nutrition guidance to help individuals achieve their health and fitness goals. With expertise in dietary planning, supplement strategies, and performance nutrition, I work to empower clients with practical tools for lasting results. My approach blends evidence-based knowledge with real-world application, ensuring sustainable habits that support both everyday wellness and peak athletic performance.

Peter Brukner is a specialist sports and exercise physician with a special interest in nutrition. Peter is the founding partner and Chair of the not-for-profit charity SugarByHalf, and the app-based program Defeat Diabetes. Peter is the founding partner of Olympic Park Sports Medicine Centre in Melbourne and Professor of Sports Medicine at Latrobe University. A founding Executive Member of the Australasian College of Sports Physicians, he served two terms as President and played a key role in establishing sports medicine as a medical specialty in Australia. Peter is the co-author of the widely used text book Clinical Sports Medicine and has been team physician for professional football clubs as well as national athletics, swimming, soccer and men’s hockey teams including Olympic and Commonwealth Games. Peter was the Socceroos Team Doctor at the 2010 World Cup in South Africa, Head of Sports Medicine and Sports Science at Liverpool Football Club from 2010-2012 and Australian cricket team doctor form 2012-17.

Jack Scotti is Director of Marketing at ReciPal, where he leads education and strategy around nutrition analysis, FDA-compliant label creation, ingredient declarations, and food compliance for food businesses using ReciPal’s platform. He’s helped thousands of brands navigate complex regulatory labeling rules with clarity and confidence. Outside work, Jack is an accomplished endurance athlete, having completed multiple marathons, Ironman triathlons, and multi-day endurance events.

On the quest to find the best way to forever health& fitnessExercise Physiologist (ESSA), Nutritionist, Strength and Conditioning Coach (ASCA), Sports Coach (SMA), Personal Trainer, FitGenes practitioner, Matrix Fitness Australia master trainer

Clinical Nutritionist -16 years of experienceResearch Content WriterBody image advisor for Models and ActorsMember of IDA Member of The Nutrition Society UK

Athlete and fitness writer with 15+ years of structured training in track and field, Olympic weightlifting, powerlifting and general fitness. My focus is on the intersection of training, evidence-based nutrition, supplementation, and recovery. I founded VitalEdgeFit.com to bridge the gap between scientific research and practical fitness advice.

Alisia Agostinelli, RD, is a registered dietitian/nutritionist in Montreal. A graduate of the University of Montréal and HEC Montréal, she specializes in using evidence based data to find practical adjustments that make a difference to her clients health. She uses a non-diet, weight-inclusive approach in her nutrition therapy practice. Alisia is an active member of her community and is implicated in numerous projects aimed at increasing access to health care for all.

Matt Phelps is a fitness and body composition expert and the founder of Body Fat Estimator, a repository of tools that analyze body composition using photos and biometric data.

Founder of IngredientMD, a supplement intelligence platform powdered by most clinical data available. What's important, we communicate in language humans will understand instead. It all starts from individual ingredients instead of product name, claims, and anything else. Product is what's inside instead of what perception is being made. In our analysis of 500+ supplement products, we found 42% had at least one key ingredient below clinically studied doses. I focus on bringing evidence-based analysis to consumer supplement decisions.

Deena Goldman, MDN, RDN, LD, CNSC is a registered dietitian and freelance nutrition and health writer with a clinical background in medical nutrition therapy. She specializes in weight and metabolic health, chronic disease management, GLP-1 medications, food insecurity, and practical, evidence-based food guidance. Deena currently works as a Clinical Dietitian II at Emory Healthcare and regularly contributes expert commentary for consumer health and lifestyle publications. Learn more at: https://www.myobesityteam.com/writers/684c922f814cb8bb781c5397

As a registered dietitian and personal trainer with over 10 years in the health and fitness industry, I'm dedicated to empowering individuals to make informed decisions about their well-being by creating engaging content that is evidence-based and easy to understand. My education and experience allow me to turn technical language and scientific data into digestible information that is uncomplicated and enjoyable to read.

Karl Mergille is an NASM Certified Personal Trainer and Nutrition Coach with 10+ years of experience coaching online. An NPC natural bodybuilding competitor and former athlete, he specializes in working with men and women over 30, former athletes getting back in shape, and busy professionals who want real results without crash diets. Karl has helped hundreds of clients transform their bodies through sustainable nutrition, smart programming, and consistent accountability. He is available for quotes on fitness, fat loss, nutrition, body recomposition, training for busy people, former athlete comeback stories, and overall health.

I’m Stephanie Hnatiuk, Registered Dietitian, Running Coach/Personal Trainer, and the creator and host of The Fuel Run Recover Podcast. I specialize in breaking down the science of sports nutrition and running performance into clear, practical strategies runners can use every day. With more than a decade of experience working with endurance athletes, I help runners optimize their performance and body composition using an evidence-based, data-driven approach. My work has been featured across multiple media platforms, including television, print, and digital outlets. I’ve provided expert commentary for local and national TV news segments, appeared in national and international running publications, and contributed to numerous health and performance articles focused on nutrition, weight loss, nutrition, hydration science, and the unique needs of endurance athletes. I’ve also been interviewed as a guest on a variety of podcasts within the running, fitness, and nutrition space, offering insights on everything from marathon nutrition strategies to helping runners reach their weight loss goals. As an athlete myself, I bring a relatable and grounded perspective to every interview and partnership opportunity. My background includes thousands of hours of 1:1 work with runners, extensive experience interpreting genetic nutrition testing results, and years of speaking at workshops, webinars, and corporate wellness events. I’m known for translating complex scientific concepts into engaging, easy-to-understand guidance, something my podcast audience consistently praises and that has helped The Fuel Run Recover Podcast grow into a trusted resource for runners seeking reliable, actionable information. When I’m not recording or speaking, you’ll find me training for my next race or creating educational content for my online community at @steph.the.runners.dietitian.

​Lisa Ackerman is a board-certified functional medicine nutritionist and the founder of Well Fed Wellness, where she guides clients towards better health with science-backed, judgment-free coaching. She holds an M.S. in Human Nutrition from the University of Bridgeport and is completing a Doctor of Clinical Nutrition at Maryland University of Integrative Health. She specializes in gut health, mental health, and metabolic health and loves that a job exists where she can talk about food and nutrition all day long.

Certified nutritionist and fitness trainer and founder of Quarter to Fitness, a women-focused wellness brand promoting sustainable fitness and balanced nutrition for women 25+.

Rohan Arora is the founder of AppetiteMax, a wellness brand focused on appetite support and weight gain routines. He has more than 10 years of experience in fitness and nutrition, and is a Certified Personal Trainer (CPT) and sports nutritionist. His work focuses on helping hardgainers improve appetite, build sustainable eating habits, and approach weight gain through practical routines rather than shortcuts. As both a fitness professional and business owner, he brings a hands-on perspective that combines training, nutrition, and real-world consumer insight.

I am practicing dietitian at Lubana general hospital, Dhaka, Bangladesh. Also content writer on nutrition at several social media platforms. My website is https://websabeka.com

Hi, I'm [Foysal Mahmud], and I'm thrilled you've found your way to The Workout Haven. This space was born from a simple but powerful belief: fitness should be accessible, enjoyable, and sustainable for everyone, regardless of where you are in your journey. Whether you're taking your first steps toward a healthier lifestyle or you're a seasoned fitness enthusiast looking for fresh perspectives, you've come to the right place.

I'm a functional nutritionist (MS, FNTP, CGP) specializing in gut health, food sensitivities, and autoimmune conditions, integrating clinical nutrition science with a biblical worldview. I help people address root causes and restore health through practical nutrition and lifestyle strategies rather than symptom management alone. I’m a regular contributor to The Epoch Times, where my essential health guides on conditions such as diverticulitis, Hashimoto’s, celiac disease, peripheral neuropathy, Crohn’s disease, rosacea, restless legs syndrome, and mast cell activation syndrome (MCAS) have been shared thousands of times by readers. I'm also the author of the international bestselling book God's Prescription: A Faith-Based Plan to Shift Your Mindset and Reclaim Your Natural Health. I work extensively with clients struggling with multiple food sensitivities, Hashimoto’s thyroiditis, celiac disease, IBS, IBD, SIBO, diverticulitis, and other inflammatory and autoimmune conditions. My focus includes intestinal permeability (“leaky gut”), the gut microbiome, blood‑sugar balance, and gluten‑free and elimination diets that are realistic for everyday life. I make complex health information understandable and provide clear, actionable natural solutions. I'm available for expert commentary on digestive health, inflammation, autoimmunity, anti-inflammatory diet and lifestyle, intestinal permeability (leaky gut), the gut microbiome, gluten-free and dairy-free diet, elimination diets, faith and wellness, and practical, evidence‑informed nutrition strategies for real people and families.

I am a fitness trainer who specializes in field of fitness and yoga more than 10years, and also help to motivate people for fitness. I writes with empathy and accuracy and has a knack for connecting with readers in an insightful and engaging way. I contributes regularly to FreakToFit.