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DE
Mineral

Boron

Boron is a trace element found in fruit, vegetables, nuts and legumes. It is not officially classed as essential for humans.

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How do safety limits differ?

The US adult upper limit is 20 mg daily. The European adult limit is 10 mg from all sources; Germany’s BfR proposes only 0.5 mg per daily serving of a supplement. These are safety values, not intake targets. 1 2

Who should avoid casual use?

BfR recommends labeling boron supplements as unsuitable for children and adolescents. Its safety assessment includes reproductive and developmental harm seen in animal studies. 2

Is borax a supplement substitute?

No. Swallowing borax or boric acid from household products can cause poisoning. NIH lists no known clinically relevant medication interactions for boron. 1

For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.

Sources

  1. Boron: Fact Sheet for Health Professionals NIH Office of Dietary Supplements