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Mineral

Boron (Extra)

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Boron (Extra). Trace mineral that modulates steroid hormones and bone.

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

What the research supports. 1 graded claims. Strongest: Raises free testosterone after 1 week (moderate).

How much to take. Typical dose: 6–10 mg.

Side effects and interactions. 1 medication interaction listed. Serious: Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Chelated form (glycinate, bisglycinate, citrate, malate), Inorganic salt (oxide, sulfate, chloride), Liquid ionic solution, Topical or transdermal preparation.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Boron (Extra). Anecdotes are not medical advice.

Boron (Extra). Trace mineral that modulates steroid hormones and bone.

Element B · Z = 5B · 10.81 g/mol

What it is

Trace mineral that modulates steroid hormones and bone.

Food sources

Whole foods (leafy greens, legumes, nuts, seeds, seafood, animal proteins)Fortified foods such as cereals, breads, plant milks, and table saltMineral supplements as chelates, citrates, glycinates, or inorganic salts

Goals

Bone HealthTestosterone SupportMen's Health

How it works

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

Pathways

  • Increases free testosterone
  • 17β-estradiol by reducing SHBG

Effects

  • ↑free testosterone after 1 week increases

What the research supports

Raises free testosterone after 1 weekmoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
6–10 mg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith food
Best formMost evidence is based on the chelated form (glycinate, bisglycinate, citrate, malate) form.
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Side effects & interactions

Common side effects

  • Boron (Extra) is generally well-tolerated at evidence-based doses
  • Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
  • Headache or transient fatigue reported by a small fraction of users

Serious

  • Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing

Medication interactions

Prescription medications (general)minor

Always disclose Boron (Extra) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Chelated form (glycinate, bisglycinate, citrate, malate)
  • Inorganic salt (oxide, sulfate, chloride)
  • Liquid ionic solution
  • Topical or transdermal preparation

Key studies

8 studies cited in total.

PubMed: Boron (Extra) — Raises free testosterone after 1 week ↗
Systematic review · PubMed (NLM) · 2026

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.

PubMed: Boron (Extra) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: Boron (Extra) — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

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

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