Minerals
Boron
Also called: boron, calcium fructoborate
A trace element that may affect bones and hormones.
- Why people take it
- Bones, joints, testosterone.
- What the evidence says
- Small, early studies only.
- How it is usually taken
- Usually 3 to 10 mg a day; found in fruit, nuts and pulses.
- Be careful
- Keep under 20 mg a day; high doses are toxic.
- Medicines it can interact with
- No important medicine interactions are known, but tell your doctor and pharmacist about every supplement you take.
Other minerals
Common questions
What is Boron?
A trace element that may affect bones and hormones.
Why do people take Boron?
Bones, joints, testosterone.
Does Boron work?
Small, early studies only.
How much Boron do people take?
Usually 3 to 10 mg a day; found in fruit, nuts and pulses.
Is Boron safe?
Keep under 20 mg a day; high doses are toxic.
Does Boron interact with medicines?
No important medicine interactions are known, but tell your doctor and pharmacist about every supplement you take.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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