Welcome to BeOptimal!
Your go-to destination for Functional Medicine in Germany and Europe. We’re thrilled to support you on your path to optimal health and well-being!
Daniel Auer, DC, IFMCP & Corinna van der Eerden, AFMCP

Functional medicine - Answers to your questions at last
- Are you tired of being told that everything is "ok", even though you keep suffering from symptoms that you can't put your finger on?
- Have you received a diagnosis and want to treat the cause and not the symptoms?
- Would you like to understand why you feel the way you do and, above all, what you can do about it?
- Would you like to finally get answers and, above all, solutions for your health goals?
You are not alone!
Let two internationally recognized experts and pioneers in the field of functional medicine support you on your path to optimal health!

More than 20 years of clinical experience: Your team of experts
Daniel Auer, DC, IFMCP
Daniel was one of the first Functional Medicine experts and owner of a successful practice in Silicon Valley (USA), where he advised clients and patients in a highly innovative and competitive environment for over thirteen years. During his time in the USA, he guided over a thousand clients on their path to optimal health, opening up new, innovative avenues alongside Functional Medicine and diagnostics. E.g. he was one of the first US practitioners to combine Functional Medicine and Neurofeedback/Functional Neurology.

Training & Certifications
Together we have completed every established functional medicine training program in the USA


















Our solutions for you as an individual, as a health professional or as an organization:
For Individuals
We provide you with:
- Innovative treatment approaches based on the latest findings in functional medicine, combined with over 20 years of clinical experience
- Access to the most modern and proven laboratory tests in functional medicine - directly from the USA
- Self-study programs and/or individualized one-on-one consultations - online and from the comfort of your own home.
Would you like to work with us? Find out more here!

For Organizations
- Are you aware that healthy, high-performing and motivated employees are the key success factor for your company?
- Would you like to differentiate yourself as an employer and retain your employees through a special corporate culture?
- Or have you simply understood that prevention and a healthy environment are the best way to save costs in the long term and prevent long periods of illness for your key players?
Then let us support you!
