BodySwitch Heemskerk - Orthomolecular therapist

Getting healthy and fit naturally. Do you want that too?

BodySwitch Heemskerk - Orthomolecular therapist

Getting healthy and fit naturally.
Do you want that too?

BodySwitch Heemskerk - Specialist in Chronic diseases, Autoimmune diseases and Gastrointestinal complaints

Are you struggling with your health? For example, do you have frequent bowel problems, or do you have a chronic illness? And would you like to get rid of your symptoms and get healthy? Then you have come to the right place at BodySwitch Heemskerk!

Orthomolecular therapist Frank Jonkers, owner of BodySwitch Heemskerk, is a specialist in lifestyle medicine and can help you. At BodySwitch, we take all complaints seriously and treat your symptoms from the core, not the symptoms. Once we have identified the cause, we will create a personalized treatment plan to help you get rid of your symptoms.

Do you want to know if we can help you? Then contact BodySwitch Heemskerk without obligation. Orthomolecular therapist Frank is a specialist in orthomolecular medicine and can help you get rid of your symptoms.

Orthomolecular specialist: Frank Jonkers


My view: Looking for the causes is the start of healing! Because if you know what is going on and what causes it, you can treat it in a targeted and effective way.

Are you ready to take action and work on your health? I am happy to work with you to address the cause of your symptoms and create more quality of life! To achieve this, I create a personal plan of action and give you personal guidance.

Are you interested? Then contact us to get acquainted or for an
to schedule.

See you in my practice!

BodySwitch Heemskerk - Frank Jonkers

Noorddorperweg 10
1968 LN Heemskerk

Phone: 0251234000

Opening hours:
Monday to Friday 09:00 – 17:00

MBOG member number
AGB code practice
AGB code
VAT number

What does BodySwitch Heemskerk do?

BodySwitch Heemskerk, orthomolecular therapist Frank Jonkers, helps people with health problems get back to health. Frank is an integrative practitioner and orthomolecular specialist, focusing on chronic disease states and autoimmune diseases.

From the BodySwitch practice in Heemskerk, Frank helps both children and adults improve and maintain their health. As founder of BodySwitch, Frank knows better than anyone how the BodySwitch approach works and how he can help you.

If you would like to know what Frank can do for you, please get in touch. BodySwitch Heemskerk uses a unique central treatment method, which is based on many trainings, scientific research and practical experience. Our approach focuses on fighting not symptoms, but the cause of your symptoms.

And that’s what makes BodySwitch unique! An orthomolecular specialist, Frank also shares his knowledge through various columns and lectures, and is author of his book “Core Healthy – Lifestyle as Medicine.”

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Specialization BodySwitch Heemskerk

BodySwitch Heemskerk specializes in reducing persistent (chronic) complaints in a natural and healthy way.

The specific areas of interest are:

Rates BodySwitch Heemskerk

Preparation Intake

Preparing intake prior to Intake consultation*
This covers the cost of preparing and reading into the questionnaire prior to your intake consultation.


1st intake consultation standard (up to max. 75 min)

  • Discuss outcomes Online questionnaire
  • Food diary
  • Discuss insights analysis

1st intake consultation extended (up to max. 105 min), for extensive complaints

  • Discuss outcomes Online questionnaire
  • Food diary
  • Discuss insights analysis

Application for laboratory testing

Request for blood or fecal examination (per examination)**

  • Application for laboratory testing (by arrangement)
  • Analysis of survey results
  • Explanation of survey results

*) This amount is in addition to the cost of the standard intake consultation or extended intake consultation. !!!Important for you: The intake consultation and proper preparation for it is tremendously important to get a complete picture of your situation right away. On that basis, I can best help you achieve your goals. After all, a good start is half the battle! And that can only be done with a thorough approach.

**) This does not include external laboratory costs. A statement of this will be discussed during the intake consultation.

Personal plans

Preparation of personal treatment plan (standard)
Preparation of personal treatment plan (complex)
Preparation of personal nutrition plan


Consultation briefly or by phone (max. 25 min.)
Consult standard (max. 50 min.)
Consult long/Discuss treatment plan standard (max. 75 min)
Consult extensive / Discuss treatment plan complex (max. 105 min)

Watch the vlog of a client of BodySwitch Heemskerk!

Watch Paula Smit’s vlog “out of love for your life” on the role of nutrition in chronic disease. Below is a quote from Paula.

“Today I was visiting Frank Jonkers of Bodyswitch. SO interesting!!! This man has already gotten an incredible number of people off medication by implementing a (customized) diet. For me, another great challenge to do even more with nutrition!”

Watch the video!

Customer Reviews

Blogs and articles by Frank Jonkers

Frank Jonkers is a specialist in chronic diseases, intestinal disorders and autoimmune diseases. To inform you about alternative medicine, Frank has written dozens of blogs and articles.

View BodySwitch Heemskerk’s publications here.

Healthy aging – medications, diet and nutritional deficiencies

Healthy and fit aging. Nutrition and supplements first, then medicine! Frank Jonkers of BodySwitch Heemskerk explains....

Interview Frank Jonkers – Fit with Nutrition (Magazine)

Want to know more about Frank Jonkers and healthy eating? Then read this exclusive article from 'Fit with Nutrition' magazine. Click here.

Increase your chances of pregnancy!

Is getting pregnant not working out? Increase your chances of pregnancy by improving your lifestyle and health.

Skin problems? The skin-gut connection – the intestines as the cause

Do you have Crohn's disease or Collitis Ulcerosa? This is how you treat chronic intestinal diseases from the cause.

Treating chronic intestinal diseases naturally from the cause

Do you have Crohn's disease or Collitis Ulcerosa? This is how you treat chronic intestinal diseases from the cause.

Supermarket survival! Buying healthy food at the supermarket. Is that possible?

Supermarket survival! Buying food at the supermarket. What do you pay attention to? Frank Jonkers of BodySwitch tells..... Read it here....

Fibromyalgia, what causes it and how do you fix it?

Relief from chronic pain? BodySwitch Heemskerk, specialist Frank Jonkers helps you. Read it here....

Tips for your health during the vacations

Keep your immune system in check this summer with these tips. Read more here.

A healthy pregnancy is like elite sports!

Pregnancy is actually is like elite sports. How are you keeping yourself and your baby healthy? Want to make sure you eat healthy during your pregnancy? In this article, we give you helpful tips and advice. Read more!

Sleep starts with good food

Proper nutrition contributes to a good night's sleep. There are several reasons for this. Food affects your gut and digestion, the production of sleep hormones and your blood sugar levels. And all these things, in turn, affect your sleep. So sleeping well begins with eating well.

Fats: fat good or fat bad?

Fats. Are they good or bad for your body? Read all about the facts and fables here and discover the truth about fats. Frank Jonkers of BodySwitch Heemskerk talks about it.

Nutrition, gut and stress: the interaction

Your gut is your second brain. Many factors can cause persistent illness or symptoms (stress). Abdominal pain is often a signal! Read more about the interaction between stress and your gut here.

Most chronic complaints originate from your gut!

Many physical complaints, chronic illnesses and autoimmune diseases originate from the gut. Cardiovascular disease, eczema, migraines, Multiple Sclerosis and rheumatism can all be related to intestinal problems. Many times people have abdominal pain, constipation or just persistent diarrhea, irritable bowel syndrome (PDS), Crohn's Disease and Ulcerative Colitis. You may be told to just learn to live with these symptoms. But is it?

What the heart is full of………

Did you know that cardiovascular disease is one of the most common causes of death in the Netherlands? A very worrisome development, especially when you consider that a lot of misery could have been avoided with certain modifications. Did you know that nutrition is hugely important in the treatment of cardiovascular disease? Find out why and read more about cardiovascular disease here!

Dealing with diabetes? Know what you’re eating!

Do you have diabetes? Modifying your lifestyle, by eating healthier and exercising more, will have immediate positive effects. Learn more about diabetes and treatment options here.

Autoimmune diseases

What do you know about symptoms and treatment options? Did you know that women are at greater risk of developing an autoimmune disease than men?

The role of your gut in depression

Depression? Your gut may be the source from which your depression arises. Healthier diet, healthier gut, healthier brain

Sugar, Protein, Fats, Hormones: What does your body need?


Sugar, Protein, Fats, Hormones: What a genius body I have!


Thyroid problems? Nutrition is the building block for health!

Did you know that...half a million Dutch people have a thyroid gland that is too slow? Maybe you've been trying to lose some weight for years, but no matter what you try, the pounds keep coming off. Moreover, you feel tired, despite actually getting eight hours of sleep every night. A thyroid disorder brings a lot of discomfort. Nutrition is the building block for health and can help restore thyroid function.

Master rheumatism with the right lifestyle!

Reduce rheumatic symptoms? A customized nutrition plan, supplemented with specific and targeted supplements to restore processes, will significantly improve the quality of life of someone with rheumatoid arthritis. The treatment is based on body-friendly substances, with the aim of restoring health and processes as best as possible. Are you curious about how we can help reduce your rheumatic symptoms? Then contact Frank Jonkers of BodySwitch Heemskerk!

Healthy living instead of symptom management

Down with the pills!

Don’t let abdominal pain and PDS control your life anymore!

Looking for the causes: measuring = knowing!

Do you have health complaints? Then make an appointment with BodySwitch Heemskerk!


BodySwitch is a lifestyle medicine organization.