Spurenelemente im Überblick: Kleine Nährstoffe mit großer Bedeutung

Trace Elements at a Glance: Small Nutrients with Great Importance

March 29, 2026

Trace elements are minerals that the body needs only in very small amounts, but play an important role for health and metabolism. They are essential for enzyme functions, hormone production, the immune system, and cell protection. Although only micrograms to milligrams are needed, deficiencies can have far-reaching consequences.

Important Trace Elements and Their Functions

Trace Element	Main Function	Food Sources
Iron (Fe)	Oxygen transport, energy production, immune function	Meat, liver, legumes, green leafy vegetables, nuts
Zinc (Zn)	Wound healing, immune defense, skin health, enzyme functions	Meat, seafood, nuts, seeds, whole grains
Copper (Cu)	Formation of red blood cells, antioxidant protection	Organ meats, nuts, seeds, whole grains
Selenium (Se)	Protection against oxidative stress, thyroid function	Brazil nuts, fish, meat, whole grains
Iodine (I)	Thyroid hormones, metabolism regulation	Iodized table salt, seafood, sea algae
Manganese (Mn)	Bone formation, enzyme functions, metabolism	Whole grains, nuts, legumes
Chromium (Cr)	Blood sugar regulation, insulin sensitivity	Whole grains, meat, legumes, vegetables
Molybdenum (Mo)	Enzyme activity, urea metabolism	Legumes, nuts, grains

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Practical Tips for Provision

Varied diet: Use various food groups to ensure a broad supply.
Combine animal and plant sources: E.g., iron from meat (highly bioavailable) and legumes (plant-based).
Consider processing: Strong heating or refined products can reduce trace elements.
Supplement only as needed: Useful for proven deficiency, otherwise generally sufficient through diet.

Everyday Specifics

Stress, pregnancy, or competitive sports can increase the need for certain trace elements.
Note interactions: Zinc and copper compete for absorption; high iron consumption can affect zinc absorption.
Regional differences: Iodine content in soil can vary, so seafood or iodized salt may be important.

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Conclusion

Trace elements are small but extremely important nutrients that are essential for numerous bodily functions. A varied diet including vegetables, whole grains, nuts, meat, and fish generally covers the needs. Conscious planning is particularly useful during periods of increased demand or with special dietary forms.

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