General Dosage
3-6mg daily
Maximum dose: 20mg/day (NIH UL); doses up to 10mg daily are well-tolerated in studies
Boron Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 3-6mg daily
Timing: With food; can be taken any time of day • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Bone health support | 3-6mg daily | Emerging |
| Testosterone support | 6-10mg daily | Emerging |
| Anti-inflammatory | 3-6mg calcium fructoborate daily | Emerging |
Upper limit: 20mg/day (NIH UL); doses up to 10mg daily are well-tolerated in studies
Timing & Absorption
With food; can be taken any time of day
Best taken with food for optimal absorption.
References
- Naghii MR, Mofid M, Asgari AR, Hedayati M, Daneshpour MS (2011). Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines. Journal of Trace Elements in Medicine and Biology. DOI PubMed
- Pietrzkowski Z, Phelan MJ, Keller R, Shu C, Argumedo R, Reyes-Izquierdo T (2014). Short-term efficacy of calcium fructoborate on subjects with knee discomfort: a comparative, double-blind, placebo-controlled clinical study. Clinical Interventions in Aging. DOI PubMed
- Nielsen FH, Hunt CD, Mullen LM, Hunt JR (1987). Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women. FASEB Journal. DOI PubMed