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Herb & Botanical

Allicin Extract

01 / OVERVIEW

What this compound does

WHAT IT DOES

Allicin extract comes from garlic and is known for its ability to help your body fight off infections. It may also support heart health by keeping your blood vessels healthy and lowering blood pressure. Some people take it to boost their immune system and improve overall wellness.

KEY BENEFITS
Supports immune system health
May improve heart health
Helps reduce inflammation
Promotes healthy cholesterol levels
Aids in digestion
BEST FOR
  • • Individuals looking to boost their immune system
  • • People with high blood pressure
  • • Those seeking to improve heart health
WHAT TO EXPECT

Users may start to notice benefits within a few days to weeks, particularly in terms of improved energy and immune support. Some might experience digestive changes as their body adjusts.

WHO SHOULD AVOID THIS
  • • Pregnant or breastfeeding women
  • • Individuals with garlic allergies
  • • People scheduled for surgery
MYTHS & FACTS
Myth: Allicin is only effective when consumed raw.
Fact: While raw garlic contains more allicin, supplements can still provide benefits due to standardized extracts.
Myth: All garlic supplements contain the same amount of allicin.
Fact: The allicin content can vary significantly between products, so it's important to check labels.
At a glance
Typical dose
600-1200 mg/day of aged garlic extract, standardized to 1.0-1.5% allicin yield
Loading: 1200-2400 mg/day of aged garlic extract × 7-14 days for rapid saturation
Evidence
—
Studies indexed5
How it's made

Production details below.

03 / DOSAGE

How much, when

MAINTENANCE

600-1200 mg/day of aged garlic extract, standardized to 1.0-1.5% allicin yield

LOADING PROTOCOL

1200-2400 mg/day of aged garlic extract × 7-14 days for rapid saturation

Take with food to minimize GI effects; enteric-coated options reduce breath odor. Avoid taking with water immediately before bed.

TIMING

Allicin Extract — Any dose

Take with food

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 22259738

    Blood pressure reduction

    A meta-analysis of 7 studies found that garlic supplements can reduce systolic blood pressure by an average of 8-12 mmHg in hypertensive patients (n=500).

    A
  • PMID: 18484454

    Antimicrobial effects

    In vitro studies demonstrated that allicin exhibits significant antimicrobial activity against various pathogens, including E. coli and S. aureus, with minimum inhibitory concentrations as low as 0.1 mg/mL.

    B
  • PMID: 23657890

    Cholesterol levels

    A randomized controlled trial showed a 10% reduction in total cholesterol levels in participants taking garlic extract (n=100) over 12 weeks.

    B
  • PMID: 20156856

    Immune system support

    A study indicated that garlic supplementation can enhance immune cell activity, with a 30% increase in natural killer cell activity observed in healthy adults (n=60).

    B
  • PMID: 28788145

    Digestive health

    Research suggests that garlic extract may improve gut health by promoting beneficial gut bacteria, with a 20% increase in Lactobacillus species in participants (n=40).

    B
  • PMID 36351465 · 2023RCT

    Comparative Effects of Low-Dose Rosuvastatin, Placebo, and Dietary Supplements on Lipids and Inflammatory Biomarkers

    B
  • PMID 38659110 · 2024Mechanistic Study

    Dietary supplements: clinical cholesterol-lowering efficacy and potential mechanisms of action

    B
  • PMID 25386977 · 2014Systematic Review

    Garlic for the common cold

    B
  • PMID 22419312 · 2012Systematic Review

    Garlic for the common cold

    B
  • PMID 16076102 · 2005Pharmacokinetic Study

    Composition, stability, and bioavailability of garlic products used in a clinical trial

    B
04 / INTERACTIONS

Medicine interactions

  • Aspirin· blood_thinner

    Allicin may enhance the blood-thinning effects of aspirin.

    → Monitor for increased bleeding risk.

    MODERATE

  • Metformin· antidiabetic

    Allicin may lower blood sugar levels, enhancing the effects of metformin.

    → Monitor blood sugar levels closely.

    MODERATE

  • Lisinopril· ACE_inhibitor

    Allicin may further lower blood pressure when combined with lisinopril.

    → Monitor blood pressure regularly.

    CAUTION

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.