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| Form | Bioavailability | Best For |
|---|---|---|
| Aged Garlic Extract (AGE) | High | Best studied — organosulfur compounds (S-allylcysteine) are stable and odorless; strongest clinical evidence |
| Allicin-Standardized Capsules | Moderate | Active compound focus — enteric-coated to protect allicin from stomach acid degradation |
| Raw Garlic Powder Capsules | Variable | Budget option — contains alliin that converts to allicin, but conversion rates vary widely |
Bioavailability: High. Best for: Best studied — organosulfur compounds (S-allylcysteine) are stable and odorless; strongest clinical evidence.
Bioavailability: Moderate. Best for: Active compound focus — enteric-coated to protect allicin from stomach acid degradation.
Bioavailability: Variable. Best for: Budget option — contains alliin that converts to allicin, but conversion rates vary widely.