# Which Supplements Do I Really Need? An Honest Check

> Not every supplement makes sense for everyone. We explain what most people really need and where you can safely save your money.

The market for dietary supplements is confusing and often misleading. Many people wonder which supplements actually deliver a benefit and which are rather unnecessary. The point is not to consume as many products as possible but to find the few that offer real added value for your health.

## Essential supplements for most people

In Switzerland, **vitamin D** supply is often insufficient from October to March, because the sun sits too low to ensure adequate production in the skin. Studies show that a large part of the population has suboptimal levels during this time. Supplementing 1,000-2,000 IU daily with a fat-rich meal makes sense here. Equally important is **omega-3**, especially if fatty sea fish is consumed less than twice a week. A balanced omega-6 to omega-3 ratio is crucial for inflammation modulation, heart health and cognitive function.

## Often underestimated but important nutrients

**Magnesium** is a mineral whose requirement is increased by chronic stress, intense physical activity and a Western diet. Symptoms of a suboptimal magnesium level can include muscle tension, sleep problems or inner restlessness. **Magnesium bisglycinate** taken in the evening can help here. For certain risk groups such as vegans, vegetarians, people over 50 or those with stomach problems, **vitamin B12** is indispensable, since a deficiency can cause irreversible neurological damage.

## What most people do not need

Many expensive dietary supplements on the market are often superfluous. **Pre-workout complexes** with numerous ingredients usually offer no significant advantage over simple caffeine. **Fat burners** are ineffective without a calorie deficit and regular training. **Testosterone boosters** likewise have no solid scientific evidence except in cases of zinc or vitamin D deficiency. **Collagen creams** cannot penetrate the skin barrier due to their molecular size. With **multivitamins**, quality matters more than quantity; one high-quality product is more effective than several cheap ones.

In our shop you will find **[WOO® Vital Plus](/en/shop/woo-vital-plus-box)**, a micronutrient formula with vitamin D3 and other vitamins for year-round supply.

## Frequently asked questions

**What role does vitamin D play in Switzerland?**
In Switzerland, vitamin D production through sun exposure is insufficient from October to March. Supplementation is therefore advisable for most people during this period to prevent deficiency symptoms.

**Why is omega-3 so important?**
Omega-3 fatty acids, especially EPA and DHA, are essential for inflammation regulation, heart health and brain function. An imbalance in the omega-6 ratio can have negative health effects.

**Who should supplement vitamin B12?**
Vitamin B12 is particularly important for vegans, vegetarians, older people (over 50), those with stomach problems or those taking metformin, since these groups have an increased risk of deficiency.

## Sources

Holick MF & Chen TC (2008), Am J Clin Nutr - Vitamin D deficiency: a worldwide problem with health consequences.
Calder PC (2015), Ann Nutr Metab - Marine omega-3 fatty acids and inflammatory processes.
Swiss Society for Nutrition (2020), Reference values for nutrient intake.

*WOO® Vital Plus in the NEMAPO Shop.*