Boron Glycinate / Citrate
Bone & joint healthFunction & benefits
A trace mineral involved in the metabolism of essential minerals; studies suggest it reduces urinary loss of calcium and magnesium, prolongs the life of active vitamin D and supports bone matrix formation and joint flexibility.
Dosage & how to use
| Recommended dose | 3–6 mg elemental boron daily (do not exceed 6 mg without medical advice) |
| Best time to take | With a meal |
| Frequency | Once daily |
Best forms to choose
Boron glycinate, citrate or borogluconate; avoid inorganic compounds such as boric acid and sodium borate.
Important warnings
The EFSA upper limit for adults is 10 mg a day from all sources
Chronic excess may cause reproductive toxicity and kidney strain
Not for people with hormone-sensitive cancers or during pregnancy
Drug interactions
It may slightly raise free oestrogen and testosterone levels; take care with hormone replacement therapy.
Related supplements
- Glucosamine & Chondroitin ComplexBone & joint health
- Hydrolyzed Collagen PeptidesJoints & skin
- Calcium (Citrate / Carbonate)Bones & teeth
- Vitamin K2 (Menaquinone-7 / MK-7)Bones & blood vessels
Scientific references
- EFSA Scientific Opinion on the Tolerable Upper Intake Level of boron (2004)
- Pizzorno L. Integr Med (Encinitas) 2015 — PMC4712861
Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)
⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.