Mineral
Boric Acid
Also known as: boron, boric compound, orthoboric acid
Boric acid is a boron-containing compound sometimes used in supplements for bone health and hormonal support, though clinical evidence in humans is limited. Most research on boron's effects comes from dietary studies rather than controlled trials of supplemental boric acid.
Primary uses
- Bone health support
- Calcium and magnesium metabolism
- Hormonal balance
How it works
- May enhance calcium and magnesium absorption and retention
- Potential modulation of estrogen and testosterone metabolism
Dosage
- Typical range
- 3-10 mg daily (as boron equivalent)
- Timing
- With meals
- With food
- Recommended to enhance absorption
- Duration
- Long-term safety data in humans is limited; short-term use (weeks) generally studied
- Special populations
- Pregnancy/lactation: avoid or consult healthcare provider; kidney disease: use with caution due to boron accumulation risk
Forms
- Capsule· 70/100
- Powder· 70/100
Safety
Common side effects
- Gastrointestinal upset
- Nausea
- Mild skin rash (rare)
Contraindications
- Renal impairment (boron accumulates in kidneys)
- Pregnancy and lactation (insufficient safety data)
- Hypersensitivity to boron compounds
Evidence notes
Limited human RCT data specific to boric acid supplementation. Most evidence is observational or from animal studies examining boron's role in mineral metabolism. Dietary boron deficiency effects are documented, but therapeutic supplementation benefits lack robust clinical support.
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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