Garlic Extract

Does garlic extract work?

Overall Effectiveness Rating for Garlic Extract

The overall effectiveness rating for garlic extract is 2.1 out of 3. This rating means there is some evidence that using garlic extract may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.

Overall Confidence Rating for Garlic Extract

There are 9 studies in the database on garlic extract; the confidence rating is 51. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for garlic extract as a whole. There are also individual ratings for the claims below.

Products Containing Garlic Extract

Products Containing Garlic Extract
Hyper Blaze
Jocko Cold War
Full list of all 3 products containing Garlic Extract.

Individual Claims

The overall ratings above do no necessarily reflect each claim about garlic extract. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Immune Health Claims Effectiveness Rating Confidence Rating
improve immune function
reduce frequency of the common cold
reduce duration of the common cold
reduce severity of the common cold

Cardiovascular Health Claims Effectiveness Rating Confidence Rating
lower blood pressure
lower LDL (bad) cholesterol levels
increase HDL (good) cholesterol levels
lower total cholesterol levels
lower triglyceride levels

General Health Claims Effectiveness Rating Confidence Rating
improve insulin sensitivity

Digestive Health Claims Effectiveness Rating Confidence Rating
improve digestive health


Title of Study
Aged garlic extract lowers blood pressure in patients with treated but uncontrolled hypertension: a randomised controlled trial
Aged Garlic Extract Modifies Human Immunity
Aged garlic extract reduces blood pressure in hypertensives: a dose-response trial
Aged garlic extract supplementation modifies inflammation and immunity of adults with obesity: A randomized, double-blind, placebo-controlled clinical trial
Effect of garlic (Allium sativum) powder tablets on serum lipids, blood pressure and arterial stiffness in normo-lipidaemic volunteers: a randomised, double-blind, placebo-controlled trial
Supplementation with aged garlic extract improves both NK and γδ-T cell function and reduces the severity of cold and flu symptoms: a randomized, double-blind, placebo-controlled nutrition intervention
The effect of aged garlic extract on blood pressure and other cardiovascular risk factors in uncontrolled hypertensives: the AGE at Heart trial
The Effect of Kyolic Aged Garlic Extract on Gut Microbiota, Inflammation, and Cardiovascular Markers in Hypertensives: The GarGIC Trial
The effects of garlic extract upon endothelial function, vascular inflammation, oxidative stress and insulin resistance in adults with type 2 diabetes at high cardiovascular risk. A pilot double blind randomized placebo controlled trial