Allium sativum

 

Common Name: Garlic

Family: Liliaceae (Lily family)

Parts used: Clove

Constituents: Glucosinolates (allicin), thiosulfinates, etc.

Taste/smell: Pungent, warm

Tendencies: Heating, stimulating, and drying

Actions

  • Anti-atherosclerotic

  • Hypotensive

  • Hypolipidemic

  • Antiplatelet

  • Antidiabetic

  • Antimicrobial

  • Anti-H. pylori

  • Immunomodulating

  • Anthelmintic/Antiparasitic/Vermifuge

  • Diuretic/Natriuretic (increases sodium excretion in urine)

  • Diaphoretic

  • Anticancer

  • Hepaprotective/Cholagogue

  • Carminative

Uses

Anti-atherosclerotic:

  • Atherosclerosis

  • Ischemic stroke prevention

  • Hypercoagulable states

  • Angina pectoris

  • Impotence (from arterial insufficiency)

  • Erectile dysfunction

Hypotensive:

  • Hypertension

Hypolipidemic:

  • Hyperlipidemia

  • Dyslipidemia

  • Hypercholesterolemia

  • Intermittent claudication

Anti-Diabetic:

  • Type 2 diabetes mellitus

Antimicrobial:

  • Garlic exhibits a broad antibiotic spectrum against gram-positive and gram-negative bacteria (H. pylori)

  • Viral and bacteria respiratory tract infections

  • Diarrhea due to intestinal bacteria

Anthelmintic/Antiparasitic/Vermifuge:

  • Pinworms

  • Roundworms

  • Hookworms

  • Tapeworms

  • Entamoeba histolytica infections

  • Giardiasis

Mental Picture and Specifics

  • Garlic stimulates digestion and cardiovascular circulation. It is indicated for dyspepsia, hypertension, arthritic pain and individuals with catarrhal affections. The tongue is pale with red papillae.

Contraindications

  • Bleeding diathesis due to its antiplatelet activity

  • Bleeding disorders

  • Concomitant use with anticoagulant drugs

  • Thyroid disease (high doses may inhibit thyroid uptake of iodine and cause problems in people if they have marginal iodine intake, which is very rare in the US)

  • Gastrointestinal disturbances in sensitive individuals

  • Individuals with hot constitutions

  • Acute inflammation

  • Insomnia

  • Dehydration

  • Hypoglycemia/brittle diabetes

  • Pemphigus

  • Impending surgery

  • Organ transplants

Adverse Effects

  • Breath and body odor

  • Bleeding at excess doses

Toxicity

  • Antiplatelet activity

Interactions

  • Can potentiate anticoagulants due to platelet-inhibiting effects

  • Can potentiate insulin (inhibits its breakdown) and hypoglycemic drugs

References:

Brinker, Francis J. Herbal Contraindications and Drug Interactions plus: Herbal Adjuncts with Medicines. Eclectic Medical Publications, 2010.

Kaufmann, Taylor. NPLEX II Study Guide. Wild Brilliance Press, 2019.

Lun, Vincent, et al. Core Knowledge for NPLEX 2. 1st ed., Marano Publishing Incorporated, 2014.

Marciano, Marisa, and Nikita A. Vizniak. Evidence Informed Botanical Medicine. Professional Health Systems Inc., 2015.

Sherman, John. The Complete Botanical Prescriber. Four Seasons Pub.

Skenderi, Gazmend. Herbal Vade Mecum: 800 Herbs, Spices, Essential Oils, Lipids, Etc., Constituents, Properties, Uses, and Caution. Herbacy Press, 2004.

Tilgner, Sharol. Herbal Medicine: From the Heart of the Earth. Wise Acres, 2020.