Boron (as Boron Citrate/Glycinate)
Trace mineral that influences testosterone metabolism, strengthens bone density, and supports cognitive function — often deficient in modern diets.
Boron is a trace mineral found in soil and certain foods. Despite being often overlooked, research shows it plays roles in testosterone metabolism, bone health, and brain function. Many people don't get adequate boron from diet, and supplementation may benefit testosterone levels, especially in those with low intake.
May reduce sex hormone binding globulin
Supports calcium and vitamin D metabolism
How Boron works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
3-10mg
Take with food
| Form | Type |
|---|---|
| 💊Boron citrate or boron glycinate | Recommended |
| 💊Boron from calcium fructoborate | Alternative |
Various forms are well-absorbed. Often included in testosterone or bone support formulas.
Minimum: 2 weeks
Optimal: 8 weeks
Cycling: Not required
Note: Can be taken any time of day with food.
May increase free testosterone
Supports bone mineral density
Safe at dietary levels; avoid high supplemental doses
Generally safe with medications
Tip: Take with food
Boron supports vitamin D metabolism
Enhanced vitamin D effectiveness and bone support
Both support bone and hormonal health
Comprehensive mineral support
Boron reduces urinary calcium excretion and supports estrogen and vitamin D metabolism, enhancing calcium retention.
Reduced calcium loss through urine and enhanced bone mineral retention
Top studies from 39+ peer-reviewed papers
Gui JY et al. • The Science of the total environment (2022)
“The regulatory mechanisms of Se on these micronutrients are also analyzed.”
Heffernan SM et al. • Nutrients (2019)
“PROSPERO preregistered (CRD42018090502).”
Sun X et al. • Critical reviews in oncology/hematology (2026)
“BNCT has shown favorable efficacy and safety in LRHNC.”
Mao H et al. • International journal of radiation oncology, biology, physics (2025)
“In this review, we integrate the latest studies to provide a comprehensive and detailed description of the direct and indirect mechanisms by which BNCT induces cell killing, as well as the subseque...”
Younous K et al. • International journal of radiation biology (2024)
“BNCT shows substantial promise as a treatment modality for multiple cancer types, offering potential benefits with acceptable safety profiles.”
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