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Heart Health

Garlic

Also known as: AGE, Kyolic, Allicin, Garlic (Allicin)

B
Evidence

Traditional antimicrobial food with allicin compound providing immune support and cardiovascular benefits.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored Garlic product in our catalog (85/100). Track dose and overlaps in the app.
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Every Garlic product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Garlic should I take?

The typical range is 600-1200mg aged extract daily. 8+ weeks for blood pressure effects

When should I take Garlic?

Any time. Optional.

Which form of Garlic is best?

Aged garlic extract — Odorless, well-studied. Other forms in the catalog: Raw garlic, Garlic oil, Aged garlic extract (AGE), Allicin-standardized, Fresh garlic, Enteric-coated.

Is Garlic safe?

Commonly reported: GI upset, Body odor (less with aged). Serious warnings: Bleeding risk with blood thinners, Consider stopping before surgery, May interact with HIV medications. Safe

Which Garlic supplement scores highest?

NOW Foods Garlic 5000, at 85/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Blood pressure
  • Cholesterol
  • Circulation
  • Antioxidant
  • Immune support
  • Antimicrobial
  • Cardiovascular
  • Cold prevention

What systematic reviews concluded

Outcomes that systematic reviews of Garlic reached a verdict on: 1 with a benefit, 1 with no effect, 1 unclear. Each is quoted from a review and linked to it on PubMed. How these were read.

Reviews found a benefit (1)

Benefitintrauterine growth restriction
“but did show beneficial effects in intrauterine growth restriction, when used in the treatment of this condition.” PMID 30111493

Reviews found no effect (1)

No effectpreeclampsia
“Antioxidant therapy had no effects in the prevention of preeclampsia” PMID 30111493

Not enough to say: cardiovascular disease biomarkers.

1 finding from reviews in specific patient groups (such as cancer, pregnancy or surgery) is not shown here.

How it works

  • Blood pressure reduction
  • Mild cholesterol effects
  • Antioxidant
  • Anti-platelet

Dosage

Typical range
600-1200mg aged extract daily
Timing
Any time
With food
Optional
Duration
8+ weeks for blood pressure effects
Special populations
Mild hypertension, heart health

Forms

  • Aged garlic extract
  • Raw garlic
  • Garlic oil
  • Aged garlic extract (AGE)
  • Allicin-standardized
  • Fresh garlic
  • Enteric-coated

Safety

Common side effects

  • GI upset
  • Body odor (less with aged)

Contraindications

  • Active bleeding or bleeding disorders
  • Concurrent use with warfarin (use caution)
  • HIV patients on protease inhibitors (consult doctor)

Products containing Garlic

Top-scoring supplements in our catalog that list Garlic on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

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Known interactions

Evidence notes

Cardiovascular support without odor

Grade B: Some human trials support key claims; further confirmation needed.

Cited research for Garlic

Clinical studies referenced across Formulate guides that mention garlic. Each links to the full study page with PubMed source + the guides that cite it.

Related in Heart Health

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.