Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| Calcium Fructoborate | High | Best-studied form for inflammation and joint comfort |
| Boron Citrate | Moderate-High | General supplementation — well-absorbed and commonly available |
| Boron Glycinate | Moderate-High | Chelated form with good absorption |
| Borax (Sodium Borate) | Moderate | Industrial and research use — not recommended as a supplement due to safety concerns |