The GarGIC trial

This Trial has been completed

NIIM tested hypertensive participants* for a 12-week trial investigating the effectiveness of odourless Kyolic Garlic on Gut microbiota, Inflammation, Cognition, cortisol levels, and cardiovascular markers.
*High blood pressure ≥ 140/90 mm Hg

NIIM would like to thank all participants in the trial.

Published Results

Published (11 Dec 2018): Karin Ried, Nikolaj Travica, Avni Sali

The Effect of Kyolic Aged Garlic Extract on Gut Microbiota, Inflammation, and Cardiovascular Markers in Hypertensives: The GarGIC Trial Frontiers in Nutrition 2018, 5 (122)


“Kyolic aged garlic extract is effective in reducing blood pressure in patients with uncontrolled hypertension, and has the potential to improve arterial stiffness, inflammation, and gut microbial profile. Aged garlic extract is highly tolerable with a high safety profile as a stand-alone or adjunctive antihypertensive treatment, with multiple benefits for cardiovascular health.”

In the Media

In Jan 2019, A/Prof Karin Ried was interviewed by Channel 9 News about Kyolic Aged Garlic Extract.

Aged garlic for healthy ageing: Australian study reveals heart health benefits of supplement – A/Prof Ried was interviewed by Nutra Ingredients Asia.

More Information

Contact A/Prof Karin Ried
Email: karinried@niim.com.au

The trial was conducted at National Institute of Integrative Medicine (Level 3, 21 Burwood Rd, Hawthorn, 3122)