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Garlic

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Garlic. Culinary bulb with cardiovascular benefits primarily via allicin and aged-garlic compounds.

How it works. Allicin lowers BP via H2S signaling; inhibits HMG-CoA reductase mildly.

What the research supports. 2 graded claims. Strongest: Reduces BP in hypertensives (strong).

How much to take. Typical dose: 600–1200 mg AGE; or 1.8–2.7 g raw equivalent.

Side effects and interactions. 2 medication interactions listed. Serious: Bleeding with anticoagulants.

Stacking. Pairs well with Omega-3, CoQ10, Vitamin D3 + K2.

Forms. 1 forms. Pick one to open its profile.

Key studies. 9 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Garlic. Anecdotes are not medical advice.

Garlic. Culinary bulb with cardiovascular benefits primarily via allicin and aged-garlic compounds.

Key compound: allicinC6H10OS2 · 162.3 g/mol

What it is

Culinary bulb with cardiovascular benefits primarily via allicin and aged-garlic compounds.

Also called

Allium sativumAged garlic extract

Food sources

Allium sativum

Goals

Cardiovascular HealthImmune FunctionHealthy Aging

How it works

Allicin lowers BP via H2S signaling; inhibits HMG-CoA reductase mildly.

Pathways

  • H2S signaling
  • Vasodilation

Effects

  • ↓Blood pressure (~8/5 mmHg) decreases
  • ↓Total cholesterol (mild) decreases

What the research supports

Reduces BP in hypertensivesstrong
Modest cholesterol reductionmoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
600–1200 mg AGE; or 1.8–2.7 g raw equivalent
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the aged garlic extract (kyolic) form.
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Side effects & interactions

Common side effects

  • Odor
  • GI upset

Serious

  • Bleeding with anticoagulants

Medication interactions

Anticoagulants / antiplateletsmoderate

Bleeding risk.

Saquinavirsevere

Reduces drug levels.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Omega-3Anti-inflammatory cardiovascular synergy.
  • CoQ10Supports mitochondrial energetics in cardiac tissue.
  • Vitamin D3 + K2Foundational immune modulation.

Key studies

9 studies cited in total.

PubMed: Garlic — Reduces BP in hypertensives ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Garlic and "Reduces BP in hypertensives". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Garlic — Modest cholesterol reduction ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Garlic and "Modest cholesterol reduction". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Garlic — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Garlic and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

Discussion

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