Top Nutrition and Fitness Influencers Experts 2025

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.

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.

My name is Archna Sharma, and I have been working in the fitness field for the last nine years. Fitness has always been a big part of my life, and I love helping people become healthier and more confident. In 2022, I started Fitness Fasto so I could share easy-to-follow workouts, simple nutrition tips, and practical fitness advice that anyone can use in their daily life. Today, I have a strong online community, including 90K+ followers on Instagram, active followers on Threads, and fitness content shared on Medium and Pinterest. My business is also listed on Google, and my website fitnessfasto.com is where I share my programs and fitness guidance. My goal is to make fitness simple, enjoyable, and possible for everyone—no matter their age or lifestyle.

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+.

Amanda Brink Hull grew up just outside of Fenton, Iowa on a small acreage where she was raised with her three younger sisters. Their upbringing was rooted in hands-on experiences; working in their father’s two huge gardens, caring for the family’s chickens, and learning the art of deer hunting. These experiences instilled in Amanda a deep respect for nature, an understanding of the importance of nutritious food, and a strong work ethic; principles that serve as the foundation of her values today. Amanda and her husband, Josh, now live full-time in Florida but remain connected to their Iowa roots. They have two grown children—a daughter working in real estate in Iowa and a son playing collegiate baseball near Chicago. Both enjoy cooking and leading active lifestyles. Amanda holds certifications in nutrition, personal training, and health coaching, along with a Master’s degree in Industrial and Organizational Psychology. She has served on various boards from Iowa to Washington, DC, and has spoken at national conferences alongside Dr. Mehmet Oz. Because of her passion and dedication for overall health, Amanda was nominated to serve as a Hearst Wellness Champion from 2018 to 2021, in addition to her role as General Sales Manager at the Hearst CBS affiliate in Des Moines, IA. Currently, she volunteers as a wellness advocate, serving on the WellWorks! Committee at Strategic America. Amanda founded Hull Health in 2020, initially sharing wellness tips, workout ideas, and healthy recipes through social media. Since then, the mission has evolved to address the vital healthcare needs of individuals, organizations, and communities. She’s excited to release her latest book, Rooted: The Down-to-Earth Basics of Wellness, coming August 2025. Visit the Books page to pre-order your copy and see the full list of upcoming author events.

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.

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.

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.

Ashley Kitchens, MPH, RDN, LDN, is a nationally recognized plant-based dietitian, spokesperson, and nutrition consultant. Ashley founded her company "Plant Centered Nutrition" with the intention of providing approachable plant-based nutrition information to her clients, community, and media audience. Ashley is regularly seen in national media outlets such as Fox News, VegNews, Vegetarian Times, Eating Well, The Times Weekly, Forbes, Newsweek, and Health.com, providing comments and education on various nutrition related topics. She is a trusted source with over 10 years of experience practicing as a plant-based dietitian. She also partners and collaborates with plant-based friendly brands through social media, speaking engagements, her podcast, and many more platforms. Ashley grew up on an Angus cattle farm in small-town Indiana. As you might guess, meat and dairy were a big part of daily life. Unfortunately, so were GI issues like chronic constipation. For years, Ashley was told to manage her issues with medication instead of considering the food she was putting into her body. Ashley earned her Masters of Public Health and Nutrition from the University of North Carolina at Chapel Hill and became a registered dietitian in 2012. But, even after all that, her GI issues didn’t completely go away. It wasn’t until she did personalized research to dive deep into her own life and her own eating habits that she noticed a significant change. For her, this meant transitioning to a plant-based lifestyle. After that transition, she knew there were others who could benefit from a diet filled with more plants. She also knew it was critical for the coaching they received to be based on a deep understanding of their unique situation. That’s when she realized why she became a dietitian. Ashley made it her mission to help others transition to a plant-centered way of eating through a holistic approach and intuitive eating practices. Let's connect: Instagram: @plantcenterednutrition Pinterest: Plant Centered Nutrition Facebook: Plant Centered Nutrition Podcast: Plant Centered and Thriving Youtube: Plant Centered Nutrition

Dr. Rimas Geiga is a distinguished professional with a diverse skill set, serving as a Medical Doctor, Registered Dietician, and Clinic Nutritionist. With a solid foundation in healthcare, he plays a pivotal role as a private advisor to a consortium of companies operating in the health and wellness sector, offering valuable insights and strategic guidance. In addition to his advisory role, Dr. Geiga is actively engaged in hospital work, bringing his expertise to the forefront of patient care. His commitment to providing quality healthcare is evident in his contributions to the medical field, where he tirelessly works to enhance the well-being of those under his care. Beyond his medical pursuits, Dr. Geiga finds joy in various hobbies that contribute to his well-rounded personality. An avid enthusiast of culinary arts, he explores the world of flavors through his cooking endeavors. Dr. Geiga also embraces an active lifestyle, indulging in cycling adventures that not only promote physical fitness but also reflect his passion for outdoor activities. Wine tasting stands out as another of Dr. Geiga's interests, where he enjoys unraveling the complexities of different varietals and appreciating the artistry behind each bottle. His love for travel allows him to explore diverse cultures, further broadening his perspectives and enriching his experiences. Dr. Rimas Geiga's multifaceted professional background, combined with his dedication to health and wellness, showcases a holistic approach to his career. His commitment to patient care, coupled with a vibrant array of hobbies, underscores his well-balanced and dynamic presence in both the medical and personal spheres of life.

Pure Health Blogs (purehealthblogs.com) is a wellness-focused website providing accessible content on health, nutrition, fitness, mental well-being, skincare, and lifestyle. The platform aims to educate and inform a general audience with practical health tips while also offering guest writers the opportunity to contribute original articles. It serves as a reliable informational resource for readers seeking general wellness guidance, though its content is for educational purposes and not a substitute for professional medical advice.

With over a decade of experience in the fitness industry, I specialize in helping clients create sustainable, science-based strategies to achieve their health and wellness goals. I hold a Bachelor’s Degree in Kinesiology and multiple advanced certifications in personal training, nutrition, and movement quality. I provide personalized one-on-one training and coaching, available both in-person and online. My approach emphasizes evidence-based methods, long-term results, and individualized program design that adapts to each client’s lifestyle and goals. Certifications include: ACE Certified Personal Trainer Precision Nutrition Certified Kettlebell Level 1 & 2 Functional Movement Screen Level 1 & 2 Trigger Point Certified Pre/Post-Natal Certified ViPR Certified Power Plate Certified Over the years, I’ve worked with a wide range of clients—from pre-teens to adults 65+, new mothers navigating postpartum recovery, and athletes striving for peak performance. No matter the starting point, I’m passionate about helping people overcome plateaus, build confidence, and achieve lasting results.

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

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.

​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.

As a Registered Dietitian I am trained in all aspects of nutrition, from the biochemistry of nutrients to the social & cultural factors that influence food choices. I provide nutrition coaching as well as medical nutrition therapy to help manage chronic diseases such as diabetes, heart disease, & obesity using the latest scientific evidence. My work has been featured in outlets such as Women's Health, Reader's Digest, Business Insider, Popsugar, Eat This Not That, SRQ Magazine, Sarasota Magazine, SNN, & more.​ Experience: Bright Body Nutrition, Owner & Registered Dietitian Sarasota Memorial Healthcare System, RENEW Lifestyle Medicine Program Coordinator Education: Tulane University, RDN Florida State University, BS Additional Certifications: Integrative & Functional Nutrition, DIFM Lifestyle Medicine Coaching, ACLM

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.

Lola Montes is a pharmacist, nutritionist, women’s health expert, author, and speaker whose work is redefining the way women understand their bodies, their cycles, and their power. Through her bestselling book Radiance: The Essential Guide to Living in Sync with Your Cycle, her podcast, live events, and online programs, Lola has become one of the leading voices in women’s wellness, helping thousands of women reclaim their cycle as their superpower and create a life where they can truly have it all. Her bestselling book, Radiance: The Essential Guide to Living in Sync with Your Cycle, published by Planeta, has gained global attention and has become the must-have guide redefining the modern standard of women’s health. Lola shares her unique approach to women’s wellness and leadership with audiences worldwide, advising companies and delivering corporate workshops and private trainings that highlight the power of cyclical living and the benefits of integrating it into every aspect of personal and professional life. Lola’s Mission For years, Lola lived disconnected from her body — constantly doing, producing, and pushing for more, while silently struggling with symptoms her body was begging her to listen to: acne, bloating, fatigue, mood swings, low libido, and a deep sense that something wasn’t right. She tried countless “solutions” that only masked the problem — until she discovered a radically different way of living: in harmony with her cycle, her energy, and her natural rhythm. From that transformation, Radiance was born — first as Lola’s personal journey, and now as a growing movement. Through her book, podcast, and flagship programs, Lola’s mission is to help women reconnect with their bodies, embrace their cyclical nature, and unlock the power that already lives within them, so they can feel radiant, fulfilled, and limitless in every area of their lives. Your cycle is your superpower.

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I’m a qualified Nutritional Therapist and Personal Trainer, specialising in realistic, science-based nutrition and lifestyle coaching. My approach is designed for busy lives, looking at how you can make health simple and realistic. I’ve been through my own health journey and have been running my own nutrition practice for over a year. I specialise in female health, hormones, gut health and, burnout. I help my clients address all of these concerns whilst still living fulfilling lives.