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Types of Garlic Extract (Aged / Allicin): Forms & Bioavailability

Evidence:Strong
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This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Aged Garlic Extract (AGE)HighBest studied — organosulfur compounds (S-allylcysteine) are stable and odorless; strongest clinical evidence
Allicin-Standardized CapsulesModerateActive compound focus — enteric-coated to protect allicin from stomach acid degradation
Raw Garlic Powder CapsulesVariableBudget option — contains alliin that converts to allicin, but conversion rates vary widely

Aged Garlic Extract (AGE)

Bioavailability: High. Best for: Best studied — organosulfur compounds (S-allylcysteine) are stable and odorless; strongest clinical evidence.

Allicin-Standardized Capsules

Bioavailability: Moderate. Best for: Active compound focus — enteric-coated to protect allicin from stomach acid degradation.

Raw Garlic Powder Capsules

Bioavailability: Variable. Best for: Budget option — contains alliin that converts to allicin, but conversion rates vary widely.

References

  1. Meta-analysisRied K (2016). Garlic Lowers Blood Pressure in Hypertensive Individuals, Regulates Serum Cholesterol, and Stimulates Immunity: An Updated Meta-analysis and Review. Journal of Nutrition. DOI PubMed
  2. RCTMatsumoto S, Nakanishi R, Li D, Alani A, Rezaeian P, Budoff MJ (2016). Aged Garlic Extract Reduces Low Attenuation Plaque in Coronary Arteries of Patients with Metabolic Syndrome. Journal of Nutrition. DOI PubMed
  3. RCTSobenin IA, Andrianova IV, Demidova ON, Gorchakova T, Orekhov AN (2008). Lipid-lowering effects of time-released garlic powder tablets in double-blinded placebo-controlled randomized study. Journal of Atherosclerosis and Thrombosis. DOI PubMed