Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| Purified Shilajit Resin | High | Traditional form — most potent but requires careful sourcing and purification to remove heavy metals |
| PrimaVie (Purified Shilajit Extract) | High | Best-studied standardized extract — patented purification process, used in clinical trials |
| Shilajit Capsules/Tablets | Moderate | Convenient dosing — quality varies widely; look for fulvic acid standardization and heavy metal testing |