Optimal Nutrient Supply: Your Step-by-Step Guide
TL;DR:
- Up to 85 percent of the Swiss population suffers from vitamin D deficiency in winter.
- Individual nutrient determination through blood tests is essential for targeted nutrition and supplementation.
- Long-term success requires a combination of balanced diet, monitoring of blood values, and conscious daily habits.
Up to 85% of the Swiss population show a vitamin D deficiency in winter. Nevertheless, many think their diet is good enough. The problem: nutrient deficiency often doesn't show up immediately. Fatigue, concentration problems, or a weak immune system can be first signs that are easily overlooked. The question is not only whether you eat enough, but whether you absorb the right nutrients in the right amount. This guide shows you step-by-step how to identify your individual needs, take targeted action, and optimize your supply long-term.
Table of Contents
- Understanding the Basics of Nutrient Supply in Switzerland
- Diagnosis: How to Determine Your Individual Nutrient Needs
- Measures: Implementing Optimal, Personalized Nutrient Supply in Everyday Life
- Control & Optimization: Measuring the Success of Your Nutrient Strategy
- Perspective: What Really Matters in Individual Nutrient Optimization
- Your Next Step Towards Optimal Supply
- Frequently Asked Questions about Optimal Nutrient Supply
Key Insights
| Point | Details |
|---|---|
| Basis: Food Pyramid | The Swiss Food Pyramid is the sound foundation for your nutrient supply. |
| Individual Diagnosis Crucial | Blood analyses reliably show deficiencies; self-tests or apps do not replace medical control. |
| Personalization with Discretion | DNA/microbiome tests provide clues, but optimal results come from a combination of diet, blood values, and lifestyle. |
| Use Supplements Judiciously | Only use food supplements upon medical recommendation and with proven need. |
Understanding the Basics of Nutrient Supply in Switzerland
Now that you know how relevant the problem of nutrient deficiency is, it's worth taking a look at the scientific recommendations. The Swiss Food Pyramid forms the official basis for a balanced diet in Switzerland. It provides clear guidance on which food groups should be on the plate daily and in what quantities.
The base consists of water, vegetables, fruits, and whole grain products. Above them are dairy products, legumes, fish, meat, and eggs. Oils and nuts are also included, but in smaller quantities. Sweets, salty snacks, and alcohol are at the very top, meaning they should be consumed rarely.

However, what is recommended and what is actually eaten often diverge significantly. menuCH data shows that too few vegetables and fruits are consumed. At the same time, meat consumption in many households remains too high, while legumes like lentils, chickpeas, or beans are rarely on the table.
Common Nutrient Deficiencies in Switzerland at a Glance:
| Nutrient | Risk Group | Possible Consequences |
|---|---|---|
| Vitamin D | Elderly, office workers, winter months | Bone weakness, immune deficiency |
| Omega-3 fatty acids | Infrequent fish eaters | Cardiovascular risk |
| Folic acid | Women of childbearing age | Neural tube defects in children |
| Iron | Women, vegans | Fatigue, anemia |
| Iodine | Inland residents | Thyroid problems |
The most common everyday mistakes that lead to deficiencies:
- Too little variety on the plate, often the same foods
- Highly processed products instead of whole food alternatives
- Too few green leafy vegetables as a source of folic acid and magnesium
- Little or no fish, which provides omega-3 fatty acids
- Too much red meat at the expense of plant-based protein sources
Another factor is often underestimated: bioavailability. Not every nutrient on your plate is fully absorbed by the body. Iron from plant sources, for example, is absorbed less well than iron from meat. Vitamin C improves absorption, while coffee or tea consumed directly with a meal can inhibit it. Those aiming for personalized nutrition must therefore consider not only the quantity but also the combination of foods.
Understanding these basics is the first step. But general knowledge is not enough if your body has individual characteristics.
Diagnosis: How to Determine Your Individual Nutrient Needs
You have the basic knowledge. Next, you check what your body really needs. Because two people can have the same diet and still have completely different nutrient statuses. Age, gender, activity level, gut health, and genetic factors all play a role.
The most reliable starting point is a medical blood analysis. It provides concrete measurements for micronutrients such as vitamin D, ferritin, folic acid, vitamin B12, and zinc. These values clearly show you where a deficit exists and where it doesn't. Blood tests are evidence-based for detecting deficiencies, while DNA and microbiome tests can only provide general recommendations.

What can DNA and microbiome tests do? They provide clues about genetic predispositions, for example, whether you tolerate lactose less well or metabolize certain fatty acids less efficiently. This is interesting and can complement a dietary strategy. But they do not replace laboratory values. They show tendencies, not diagnoses.
Comparison of Diagnostic Methods:
| Method | Strengths | Limitations |
|---|---|---|
| Blood Analysis | Concrete measurements, evidence-based | Snapshot, no long-term picture |
| DNA Test | Genetic predispositions identifiable | No current deficiencies measurable |
| Microbiome Analysis | Gut environment visible | Interpretation still less standardized |
| Symptom Diary | Everyday, simple | Subjective, no lab values |
Recommended steps for individual needs assessment:
- Document symptoms: Fatigue, hair loss, mood swings can be first indicators.
- Seek medical consultation: Have lab values determined for the most important micronutrients.
- Keep a food diary: Write down what you eat for three to seven days to identify patterns.
- Consider risk groups: Pregnant women, vegans, elderly people, and competitive athletes have increased needs.
- Use supplementary tests judiciously: DNA-based nutrition or DNA test for nutrition as additional guidance, not as the sole basis.
Pro tip: During your next doctor's visit, specifically ask for vitamin D, ferritin, and vitamin B12 measurements. These three values are often not automatically determined in a routine check, but are crucial for energy supply and immune function.
Diagnosis is not a one-time event. Knowing your needs allows you to take targeted action. And that's exactly what the next step is about.
Measures: Implementing Optimal, Personalized Nutrient Supply in Everyday Life
You now know your specific needs. Now it's time to put it into practice. This sounds easier than it is, because there's often a big gap between knowledge and habit.
The most important principle: Food comes before supplements. A balanced diet usually covers all needs, except for vitamin D. Eating whole, varied, and regional foods provides the best foundation. Supplements are additions, not replacements.
Practical steps for implementation:
- Shop seasonally and regionally: Fresh, local vegetables contain more vitamins than produce transported over long distances. In autumn: pumpkin, carrots, cabbage. In spring: spinach, asparagus, herbs.
- Introduce meal prep: Pre-cooking two to three times a week saves time and reduces reliance on processed products.
- Integrate legumes: Lentils, chickpeas, and beans provide iron, folic acid, and plant-based protein. Easily add them to soups, salads, or as a side dish.
- Plan for oily fish: Salmon, mackerel, or herring twice a week cover omega-3 needs.
- Supplement vitamin D specifically: In winter, supplementation is advisable for most people in Switzerland. 800 to 2000 IU daily are considered safe and effective.
Useful daily habits:
- Nuts as a snack instead of chips or sweets
- Green leafy vegetables daily in smoothies or salads
- Whole-grain bread instead of white bread for more fiber and B vitamins
- Legumes combined with vitamin C-rich foods for better iron absorption
- Drink coffee or tea at least 30 minutes after iron-rich meals
Pro tip: Create a simple weekly chart with the most important food groups. Tick off daily what you've eaten. This takes two minutes and will clearly show you where gaps are forming after a week.
Those who know their genetic peculiarities can proceed even more targeted. For example, a genetic nutrition test can show whether you process folic acid less efficiently or react particularly sensitively to saturated fatty acids. This is not a must, but a helpful addition for anyone who wants to refine their strategy.
Control & Optimization: Measuring the Success of Your Nutrient Strategy
Dietary changes work. But how do you keep track of your progress? Without control, you don't know if your measures are working or if you need to adjust.
The structured approach to success control:
- Regularly check laboratory values: Have a blood analysis done every six to twelve months, especially for vitamin D, ferritin, and B12.
- Use a nutrition app: Tools like Cronometer or MyFitnessPal show how well you meet your nutrient needs through your diet.
- Observe body signals: Better sleep, more energy, more stable mood are good signs. Persistent fatigue or hair loss are warning signs.
- Adjust supplement dosages: What makes sense in winter can be overdosed in summer. Adjust dosages according to season and laboratory values.
“Dietary supplements are not a free pass. Taking too much of a good thing risks overdoses, which can be just as harmful as a deficiency.”
30% of Swiss people take food supplements. However, adjustments should be made individually and overdoses avoided. Fat-soluble vitamins such as A, D, E, and K can accumulate in the body and have harmful effects if continuously consumed in excessively high amounts.
What helps with self-monitoring:
- Keep a simple health diary: briefly note energy, sleep, mood daily
- Compare laboratory values over time, not just individual values
- Discuss changes with your doctor
- Read other people's experiences, such as a DNA test experience report, to develop realistic expectations
Long-term motivation comes not from perfection, but from progress. Those who see their vitamin D level within the normal range after three months of supplementation will stick with it. Making small successes visible is the strongest motivator.
Perspective: What Really Matters in Individual Nutrient Optimization
Equipped with all the tools and methods, a critical look at the reality of individualization is worthwhile. Because the market for personalized nutrition is growing rapidly. And with it, so are the promises.
The uncomfortable truth: No test in the world replaces a good basic diet. Personalization works best through the combination of blood values, lifestyle, and basic diet, not through DNA or microbiome tests alone. This does not mean that these tests are worthless. But they are tools, not miracle cures.
What really works is consistency. Those who observe their bodies for months, take lab values seriously, and gradually adjust their diet achieve sustainable results. Those who try the next trend supplement every six months, however, waste time and money.
DNA and microbiome tests can help identify blind spots, for example, genetic variations that affect folic acid processing. But they are a starting point, not a conclusion. Those who read experiences with DNA tests realize: the best results arise when test results are combined with medical supervision and real behavioral changes. Individual nutrition is a process, not a one-time experiment.
Your Next Step Towards Optimal Supply
You now know how nutrient deficiencies arise, how to determine your needs, and how to act purposefully. The next step is up to you. mybody® Lab GmbH offers you ISO-certified analyses for blood, saliva, and stool, which you can conveniently carry out at home. Whether it's a nutrient check, microbiome analysis, or DNA metabolism test: the results provide you with concrete, scientifically validated recommendations for your diet and lifestyle. With more than 11,300 satisfied customers and a rating of 4.77 stars, mybody® is a reliable partner for everyone who wants to manage their health independently. Start your personal check-up now at mybody-x.com.
Frequently Asked Questions about Optimal Nutrient Supply
Which nutrient deficiency is most common in Switzerland?
Deficiencies in vitamin D, omega-3 fatty acids, folic acid, and iron are most common. Especially vitamin D is an issue for almost the entire population during the winter months.
How do I find out if I have a nutrient deficiency?
Reliable diagnoses are made through medical blood tests, not through apps or self-tests. Blood tests are evidence-based and provide concrete measurement values on which you can take targeted action.
Should I simply take dietary supplements preventively?
Targeted use after laboratory analysis is sensible; blanket preventative measures, on the other hand, are not. 30% of Swiss people take supplements, but overdoses can be just as problematic as a deficiency.
How relevant are DNA or microbiome tests for my diet?
They can provide starting points and reveal genetic tendencies, but are currently not recognized as the sole basis for complete personalization. Commercial DNA and microbiome tests are critically assessed by experts and should always be used in combination with medical laboratory results.
Recommendation
- 7 scientifically proven principles for dietary changes – mybody®x
- Test for nutrient deficiencies and address them specifically – mybody®x
- Test for nutrient deficiencies: Recognize symptoms & specifically address deficiencies – mybody®x
- Weight loss with diet: Your path to a feel-good weight starts on the T – mybody®x





Share:
How much does an allergy test cost? Prices & Procedure in 2026
Inflammation Markers in Blood: Your Guide to Clarity