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At VitaminExpress, everything starts with expertise. Our team is made up of nutritionists, health specialists, and researchers who share one mission: to help people live healthier, more vibrant lives. Every product we create is the result of careful selection, thorough testing, and a deep commitment to quality. That means when you choose our supplements, you can trust they are natural, safe, and effective with no compromises.
Our work does not end with creating high-quality products. We believe knowledge is just as powerful as nutrition. This is why our experts dedicate their time to writing articles, answering questions, and sharing practical health insights on our website. From the latest research on vitamins and minerals to everyday wellness tips, our content is designed to guide and inspire you to make choices that support your long-term health and vitality.
We see health as a journey and we want to walk that path with you. We do this not only by offering supplements but also by being a trusted partner who brings clarity to a confusing market. With VitaminExpress you are not just buying a product. You are connecting with a team that cares about your well-being and works every day to give you the best possible foundation for a healthier life.
Martin Nake is the author of the book “Micronutrients for Performance-Oriented Athletes” and works as a guest author, copywriter, and journalist. He is currently pursuing a Master of Science degree and plans to subsequently familiarize himself with research and complete a doctorate. His goal is to help people lead healthy and self-determined lives through individual lifestyle and nutritional analyses.
In his free time, he is an avid climber and weightlifter, enjoys reading, and spends a lot of time in nature to balance his everyday work life.
Dr. Helena Orfanos-Boeckel is a board-certified specialist in internal medicine with a focus on nephrology and has been running her own private practice for holistic internal medicine in Berlin-Charlottenburg since 2002. She initially studied medicine for three years in Brussels (Université libre de Bruxelles) and subsequently in Berlin; she completed her residency (internal medicine, specializing in nephrology) at the Steglitz Clinic of the Free University of Berlin, now known as Charité – Campus Benjamin Franklin.
In her practice, she combines classical internal medicine diagnostics with modern concepts of orthomolecular and hormonal medicine, as well as methods of functional and mitochondrial medicine. In addition to her medical practice, she is committed to conveying medical and biochemical knowledge in an accessible way—through lectures, interviews, and her publications on nutritional and hormonal medicine.
Practice Website: www.praxis-dr-orfanos.de
Prof. Dr. Elmar Wienecke is a certified physical education teacher and holds a doctorate in sports science, which he earned at the German Sport University Cologne in the fields of sports medicine, cardiology, and exercise science. He worked as a soccer coach for many years—including as head coach of the second-division club 1. FC Schweinfurt 05 in 1990—before increasingly devoting himself to his scientific work.
In 1994, he founded the company SALUTO, which today is part of a center of excellence for micronutrient therapy and regulatory medicine. In 2013, he initiated the Foundation for Micronutrients – Prevention, Health, Quality of Life (SfMPGL). He is the initiator of the Master’s program in Micronutrient Therapy & Regulatory Medicine at the University of Applied Sciences for Small and Medium-Sized Businesses (FHM) in Bielefeld, where he holds an endowed professorship in sports, nutrition, and regulatory medicine.
Through his research, he has built a database of over 60,000 evaluated cases, which serves as the basis for his analyses and recommendations in micronutrient medicine. For his groundbreaking contributions, he received, among other awards, the Innovation and Prevention Award from the Foundation for Health and the Environment (SfGU, Switzerland) in 2025 as well as the QS24 “Back to the Roots” Award in 2022. He is also active as Vice Chairman of the Westphalia Regional Group at the BDFL (Association of German Soccer Coaches).
Dr. Edmund Schmidt is a specialist in general medicine and runs a practice in Ottobrunn offering nutritional medicine, micronutrient/vital substance therapy, travel medicine (including yellow fever vaccinations), chiropractic therapy, and pain therapy, among other services.
Together with his wife, Nathalie Schmidt, a registered nurse, Reiki therapist, and coach, he has been working for many years on an interdisciplinary, patient-oriented, holistic approach to care.
The practice is listed on the FOCUS-Gesundheit medical portal as “recommended by the editors” (region: Munich district).
Dr. Edmund Schmidt
Nathalie Schmidt
Uwe Schröder has a degree in ecotrophology and is a certified nutritionist (VDOE). He studied ecotrophology, education, and sports science at Justus Liebig University in Giessen and completed his thesis at Maastricht University in the Netherlands. For many years, he has been working at the German Institute for Sports Nutrition (DiSE) in Bad Nauheim, where he is a member of the board. There, he combines scientific research, practical nutrition counseling, and public relations work.
In addition to his work at DiSE, Schröder is a lecturer in sports nutrition at various universities, including the University of Würzburg, the Münster University of Applied Sciences, and the Fresenius University of Applied Sciences, and works as a consultant for sports associations. His main areas of focus are sports and performance nutrition, research into micronutrients and dietary supplements, nutrition education, and the design of practical training programs for coaches, nutritionists, and athletes.
Dr. Jochen Hoffmann got his doctor degree in biology. He studied phytopathology and botany and immunology. Dr. Jochen Hoffmann finished his studies in 2003 at the University of Konstanz, in Germany.
When he was studying he learned more about plants. How they can help people feel better. He went on trips to the Lower Engadine in Switzerland and the Southern Alps in Slovenia, Austria and Italy to see the plants and animals. He wrote about what he saw on these trips like the kinds of plants and how they can help people. He also wrote about how nature can heal people. The plants and nature, in the Lower Engadine and the Southern Alps are very special. Have a lot of healing power.
He had some health issues and he tried changing his diet and using plants for medicine. This is how he found out that natural things can really affect our body and mind. He used this knowledge to create a way of thinking about health that includes ideas from Traditional European Medicine, Traditional Chinese Medicine, Ayurveda and healing traditions, from Latin America and Africa.
The healing power of spices and herbs and plant extracts is what his work is about today. He takes this knowledge and mixes it with what science is saying now about the good things that plants and tiny nutrients can do for us. Then he puts all this together into things like tablets and capsules and liquids that help people feel better in their bodies and minds. He wants to help people, with spices and herbs and plant extracts.
Since 2004, Dr. Hoffmann has been contributing his expertise to the development of holistic and synergistic dietary supplements and natural cosmetic products. He is also responsible for the strict guidelines on clean labeling in accordance with internal purity requirements and compliance with European quality and legal requirements in product development.
Dr. Truls Marius Aarra is a specialist in plant-based biochemistry with a focus on how plant-based food molecules interact with the human gut. He completed his master's degree in biochemistry and molecular biology at the University of Bergen in 2003, where he specialized in the mechanisms by which plant molecules bind in the digestive tract, trigger immune responses, and promote health benefits.
With over 24 years of professional experience, Dr. Aarra brings in-depth scientific expertise to the Research and Quality Committee, particularly in the precise study of biochemical interactions between plant compounds, the gut, and the immune system. His work emphasizes the central role of bioactive plant compounds in modulating human health through their effects in the gut environment, which in turn influences immune function and overall well-being.
Dr. Aarra currently serves as R&D Manager at Vitality Nutritionals, where he contributes his expertise in plant-based research and product development.
Kyra Kauffmann, born in 1971, is a naturopath and author specializing in functional medicine and holistic approaches to complex diseases.
After studying economics at the University of Cologne, she spent several years in management positions in banking.
Her own experiences with burnout and chronic fatigue syndrome (CFS) led her to make a fundamental change of direction: as conventional therapies provided little relief, she began to intensively study naturopathic and functional therapy methods. These not only helped her to regain her own health, but also inspired her to train as a naturopath.
Since 2004, she has been running her own practice—first in Hofheim am Taunus and now in Düsseldorf—with the aim of identifying the causes of chronic diseases and treating them holistically. Her focus is on thyroid and adrenal gland disorders, mast cell activation syndrome (MCAS), celiac disease, mitochondrial dysfunction, hormonal balance, and chronic fatigue.
She is currently also studying human medicine and preparing for her second state examination—a step that will expand her naturopathic knowledge to include conventional medical perspectives.
In addition to her practice, Kyra Kauffmann shares her knowledge with a wide audience through books, seminars, and online courses. Her goal is to present scientific findings in an understandable way and encourage people to take active responsibility for their health.
Dr. Bernd L. Fiebich is the managing director of VivaCell Biotechnology GmbH in Denzlingen. He studied biology at the Albert Ludwig University of Freiburg, specializing in genetics, developmental biology, and cell biology. His thesis dealt with paternal mutants of the model organism Caenorhabditis elegans. As part of his doctoral studies at the Institute for Molecular Cell Biology (Gödecke / Parke-Davies AG), he investigated the expression of PKC isoforms and VEGF in baculovirus-infected cells.
Since the early 1990s, he has been conducting research on inflammatory processes in the nervous system and their significance for neurodegenerative and psychiatric diseases at the Psychiatric University Hospital in Freiburg. He is co-founder and managing director of VivaCell Biotechnology GmbH (1999).
Prof. Dr. med. Ekkehard Schleußner is a specialist in obstetrics and gynecology and serves as director of the Department of Obstetrics at Jena University Hospital (UKJ). He has extensive clinical expertise in the field of high-risk pregnancies and miscarriage prevention. After completing his studies at the Charité in Berlin (1981–1987) and earning his doctorate at the Institute for Experimental Endocrinology there (1986), he specialized in gynecological endocrinology, reproductive medicine, and perinatal medicine in Dresden and Jena (1995–1997 and 1997–2004).
Following his habilitation in 2004, he accepted a professorship in obstetrics at the University of Jena in 2005. Among his outstanding scientific contributions is his leadership of the multicenter ETHIG-II study on anticoagulation (dalteparin) in recurrent miscarriages, which was published in the renowned Annals of Internal Medicine.
Prof. Schleußner serves as a board member and president in various national scientific societies and conducts intensive research on placental physiology as well as modern influences on perinatal development, such as the effects of the climate crisis on pregnancy.
UKJ Clinic Page – Clinic Management/Team: (Contact information and email via the official website) University Hospital Jena
Dr. Christian Gersch is a private physician who runs his own practice in Kaiserslautern. In his work as a doctor, he follows an approach based on functional longevity medicine, in which lifestyle factors such as nutrition, exercise and recovery strategies, as well as micronutrient-related aspects, play a central role.
He published the book “Functional Longevity Medicine in Your 20s,” in which he combines his clinical experience with current scientific findings on longevity from a medical perspective. His work aims to promote health and performance well into old age by tailoring preventive approaches to individual biological processes.
Together with VitaminExpress, Dr. Gersch pursues the goal of conveying scientifically sound knowledge on nutrition, micronutrients, and lifestyle strategies for promoting health in a practical manner.
Dr. Reiner Kraft holds a Ph.D. in computer science and has extensive leadership experience at Silicon Valley companies and Berlin-based startups. As a certified coach and expert in epigenetics, nutrition, and longevity, he now focuses on how to optimize health, performance, and healthy aging.
In 1992, he began studying computer science, which took him from the Technical University of Central Hesse to Stanford University and finally to the University of California, Santa Cruz, where he earned his Ph.D. in 2005. This was followed by a steady career path from software engineer to CTO and technical advisor at companies such as IBM, Yahoo!, Zalando, and Deutsche Bank. In 2020, he became self-employed as a consultant and leadership coach.
In his current role, he combines more than 20 years of experience in international tech and innovation hubs with the latest findings in epigenetics and longevity research. This applies both to his work at his epigenetics practice in Lahnau, founded in 2022, and to his role as founder, CEO, and CTO of EVER Health GmbH, which is dedicated to developing a longevity ecosystem that integrates diagnostics, therapy, and personalized nutritional supplements.
Dr. Mareike Awe is a physician and the founder of several e-health companies. As a mentor for intuitive eating and holistic health, she has already helped 300,000 people reach their ideal weight and achieve their health goals.
She began her medical studies in 2011 at Heinrich Heine University in Düsseldorf, where she passed her state examination in 2018 and earned her doctorate the following year. Her academic publications address specific risks associated with the postoperative phase in cardiovascular surgery. Her experiences in the highly curative-oriented daily routine of a hospital fostered her enduring interest in preventive medicine, particularly nutritional medicine.
Thus, Mareike Awe founded her first startup while still a medical student to develop coaching programs aimed at improving physical and mental health. She communicates her central theme—intuitive eating as a path to a healthy weight—through social media, a highly successful podcast, and her book published in 2019, which immediately rose to the top of the Spiegel and Amazon bestseller lists. She continues this mission today as the founder and CEO of Be Awesome GmbH.
Media References and Interviews:
Martin Auerswald, a biochemist and micronutrient consultant, works as a coach promoting a mindful, conscious lifestyle. While he empathetically supports his clients on their journey toward greater well-being, the nutritionist inspires millions of people as a Spiegel bestselling author.
Martin Auerswald’s expertise began after he graduated from high school in Kulmbach in 2011, with successful degrees in biochemistry and molecular biotechnology from the University of Ulm and the Technical University of Munich—followed by his work in clinical research at the University Hospital Erlangen.
Instead of pursuing the traditional path of a doctoral thesis and an academic career at a university, Martin Auerswald decided to go into business for himself and specifically support people in promoting their well-being and health well into old age.
In addition to personal coaching sessions, the holistic health consultant reaches his clients through reference books, seminars for doctors and therapists, podcasts, e-books, health conferences, and blog posts.
Dr. med. univ. Mag. pharm. Karin Braun de Praun, a pharmacist and specialist in human genetics, has specialized in aesthetic beauty treatments at her private clinic in Graz-Ragnitz—based on genetic and hormonal therapeutic approaches and innovative longevity strategies. The certified human geneticist’s expertise spans more than 20 years of experience in aesthetic medicine.
After completing her studies in pharmacy and earning her degree in human genetics, the beauty expert deepened her aesthetic understanding through specialized knowledge in minimally invasive and non-surgical aesthetics, natural hormone therapies, and genetic analysis. To this end, Dr. Karin Braun de Praun completed training programs around the world: from Los Angeles and San Francisco to Marbella and Luxembourg.
Thanks to her keen eye for aesthetic details, Dr. Braun de Praun serves as a pharmaceutical ambassador and has been honored multiple times with the Ultherapy® Award. The professional success of this pharmacist and author on beauty topics is further highlighted by her title as Austria’s Most Popular Doctor in 2019 and 2020.
Prof. Dr. med. Sandra Eifert is a specialist in cardiac surgery with additional certifications in gender medicine, transplant medicine, and preventive medicine.
She completed her medical studies at Martin Luther University Halle-Wittenberg, where she earned her doctorate in 1997. After an initial professional stint in the United States, she became a specialist in cardiac surgery (BLAEK, 2006) and gender medicine (2010). Both clinically and scientifically, she has focused on gender-specific differences in cardiovascular diseases, with a particular emphasis on women’s health.
Prof. Dr. Eifert currently works as a senior physician at the Heart Center of Leipzig University, where she heads the Surgical Heart Failure Outpatient Clinic and the Women’s Heart Clinic (since 2018). She is also the author of non-fiction guidebooks (C. Bertelsmann) that make her expertise on women’s heart health and the secrets of female longevity accessible to a wider readership.
Prof. Dr. med. Kälicke won the German Indoor Youth Championship in the 400-meter dash in 1991 (47.78 seconds). After completing his studies, the orthopedic surgeon and trauma surgeon spent several periods abroad (including international postings in Switzerland and Austria) and has been back in his hometown of Bonn since 2011, where, at just 38 years old, he became Chief of the Department of Orthopedics and Trauma Surgery, Hand and Reconstructive Surgery at the GFO Clinics Bonn.
In Bochum, Kälicke had previously served as senior attending physician and deputy hospital director at the Bergmannsheil University Hospital, operated by the German Social Accident Insurance Association—the oldest trauma hospital in the world.
In 2016, Prof. Dr. med. Thomas Kälicke took over not only the department at Sankt-Josef-Hospital in Bonn-Beuel but also the Department of Orthopedics and Trauma Surgery at Cura Hospital in Bad Honnef.
Prof. Kälicke is a board-certified specialist in surgery, orthopedics and trauma surgery, specialized trauma surgery, hand surgery, and physical therapy—and has responded to more than 3,000 emergency calls as an emergency physician. He is a sought-after speaker who shares his profound knowledge in the field of longevity through fact-based, authentic, and easy-to-understand presentations. Scientific findings are combined with practical strategies for everyday life.
LNGVTY (LONGER - BETTER - LIFE), 2025
Dr. Rainer Gith is a business lawyer with a Ph.D., an entrepreneur, an investor, and a Holistic Health & Longevity Coach. For over 20 years, he has been founding, supporting, and developing companies, particularly in the tech sector, and serves as a strategic advisor and board member for various medium-sized companies.
In parallel, he has been intensively engaged in health prevention, stress management, and longevity for over a decade. Combining his entrepreneurial experience with scientifically grounded health approaches, he has developed a practical approach to sustainable performance and quality of life.
Today, Dr. Rainer Gith primarily supports entrepreneurs and executives in specifically promoting their health, effectively managing stress, and establishing a sustainable longevity lifestyle. The focus is on the essential pillars of a healthy lifestyle—nutrition (including evidence-based supplementation), exercise, sleep, and mental health—supplemented by targeted breathing techniques to regulate the nervous system.
In addition to his coaching work, he serves as a lecturer and author in the Longevity department at the IST Study Institute and appears as a speaker and in workshops on the topics of health, stress management, and performance.