Educational dose math only — not medical advice, not a product recommendation, and not a pass/fail on whether a supplement will work for you.
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1.2 g per day of Kyolic aged garlic extract, standardized to S-allylcysteine, for three months in adults with hypertension (the GarGIC trial). Moved blood pressure, arterial stiffness, and inflammation-related markers in a modest, part-of-the-population way; earlier AGE trials showed clearer blood-pressure effects in hypertensive subgroups. Honest read: a real but modest cardiovascular-risk candidate, in one studied form.

Educational only — not medical advice. Disclaimer.

Want the outcome before the arithmetic? The reason check opens any registry entry on this page with its trial result first, then compares your daily intake with the studied amount.

NIH DSLD market slice

Median0.4 g
Products366
Below99%

Bulk CSV dump 16 January 2026 · label entries through 2025. Disclosed amounts only — proprietary blends without gram weights excluded.

Trial floors

Primary

Aged garlic extract RCT (Ried 2018) · 1.2 g over 3 months (limited evidence · how we grade this) · Significant, low-quality evidence — 1.2 g per day of Kyolic aged garlic extract, standardized to S-allylcysteine, for three months in adults with hypertension (the GarGIC trial). Moved blood pressure, arterial stiffness, and inflammation-related markers in a modest, part-of-the-population way; earlier AGE trials showed clearer blood-pressure effects in hypertensive subgroups. Honest read: a real but modest cardiovascular-risk candidate, in one studied form.

Safety red flags

  • On warfarin, a DOAC, aspirin, or any antiplatelet drug: talk to the prescriber managing those drugs before adding a garlic extract.
  • Easy bruising, nosebleeds, or bleeding gums while using it: stop and call a clinician.

Label reading notes

  • Aged garlic extract is a specific preparation. Fresh garlic and generic garlic powder do not inherit this evidence.
  • The standardization marker is S-allylcysteine; a label without it is not the studied material, whatever the allicin math on the front.
  • On anticoagulants or antiplatelet drugs the pairing is a bleeding-risk conversation; tracked in our interaction base.