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Garlic

Also called: Allium sativum, allicin, aged garlic extract

A kitchen staple studied as a supplement for blood pressure, cholesterol, and immune support. Its effects are modest, and it thins the blood slightly.

Commonly used for

  • Blood pressure support
  • Cholesterol support
  • Immune support
  • Short-term gut balance protocols

Found naturally in

  • Fresh garlic, crushed or chopped and left to sit a few minutes before cooking
  • Onions, leeks, and chives contain related compounds

Label red flags

  • No allicin or standardization listed on garlic powder
  • 'Odorless' claims with no extract type listed

Check with a provider

  • Taking blood thinners, having a bleeding disorder, or surgery soon
  • Taking certain HIV medicines (such as saquinavir), since it can lower their levels
  • Pregnancy or breastfeeding: food amounts are fine, but supplements are not well studied
  • Heartburn, reflux, or a sensitive stomach

Supplements that contain it

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