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evidence · mechanism · dose
Supplements/Mineral

Boron (Extra)

Trace mineral that modulates steroid hormones and bone.

Bone HealthTestosterone SupportMen's Health

Overview

Trace mineral that modulates steroid hormones and bone.

Natural sources
    Common forms

      Forms & variants of Boron

      Different chemical forms of Boron behave differently. Browse each form's mechanism, bioavailability, and best-use context.

      Parent
      Boron

      Trace mineral implicated in steroid hormone metabolism and bone integrity.

      Parent
      Boron

      Trace mineral with modest effects on free testosterone and bone mineralization.

      Mechanism of action

      Increases free testosterone and 17β-estradiol by reducing SHBG.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Raises free testosterone after 1 week

        Moderate evidence

        Potential side effects

        Common
          Rare
            Serious

              Drug interactions

              No notable interactions reported.

              Safety & non-supplemental interactions

              Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

              Avoid with these conditions
              • ·Hormone-sensitive cancers (breast, prostate, ovarian, uterine)
              Avoid / monitor with these medications
              • ·Hormonal contraceptives, HRT, tamoxifen, aromatase inhibitors

              Supplement interactions

              Pairs well with

              None listed.

              Avoid combining with

              No specific avoidances listed.

              Dosing & bioavailability

              Typical dose
              6–10 mg
              With food?
              With food

              Where to buy

              Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

              Mineral
              Boron (Extra)
              Amazon
              Wide selection · fast shipping
              Mineral
              Boron (Extra)
              iHerb
              Global delivery · curated brands
              Mineral
              Boron (Extra)
              Thorne
              Practitioner-grade · NSF tested

              Scientific evidence (8)

              CohortJ Trace Elem Med Biol · 2011

              Boron and steroid hormones

              Naghii MR, et al.

              1-week trial in 8 men taking 10 mg boron.

              Key findings

              Increased free testosterone and decreased estradiol.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — Raises free testosterone after 1 week

              Live PubMed search

              Live results for "Boron (Extra) Raises free testosterone after 1 week" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "Raises free testosterone after 1 week". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — randomized controlled trial

              Live PubMed search

              Live results for "Boron (Extra) randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — meta-analysis

              Live PubMed search

              Live results for "Boron (Extra) meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — pharmacokinetics

              Live PubMed search

              Live results for "Boron (Extra) pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — safety adverse events

              Live PubMed search

              Live results for "Boron (Extra) safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewPubMed (NLM) · 1970

              PubMed: Boron (Extra) — dose response

              Live PubMed search

              Live results for "Boron (Extra) dose response" across the PubMed/MEDLINE peer-reviewed index.

              Key findings

              Opens current human and preclinical literature matching Boron (Extra) and "dose response". Filter by RCT, meta-analysis, or year on the results page.

              Open study
              Systematic reviewGoogle Scholar · 1970

              Google Scholar: Boron (Extra) — clinical evidence

              Live Scholar search

              Cross-database citation index for Boron (Extra) as it relates to "clinical evidence".

              Key findings

              Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

              Open study
              Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.