Research: Garlic may help with weight loss.



Garlic can help with weight loss.  

We have long know that garlic has many helpful benefits for your health.   Garlic is one of the most studied of all spices.  Claims are far and wide and seem to be unlimited but research is less supportive.  The research has proven that garlic helps prevent illnesses such as colds, reduce your cholesterol, and assist with lowering your blood pressure.  You may consider garlic a nutritional superhero.  It has even been shown to boost immunity, increase blood flow,  reduce inflammation and thus protect blood vessels from damage, and protect against osteoarthritis, but can it help with weight loss?

Studies on weight are few in humans, but there are several in mice and rats.  One eight week study performed on diabetic rats found garlic extract when given to mice caused significant improvement in their diabetes and cause weight loss[1].  This was confirmed by additional studies with garlic and onions[2],[3].  Since garlic and onions are related, these results make sense.  There is research to support weight loss in humans, but it is not exactly strong[4].  In the study, the research indicates that body weight was decreased with the addition of garlic.  

The bottom line: Consuming garlic may help you control your weight, but the pounds won’t magically melt away.  Garlic adds flavor to food, assist with weight loss, and can help reduce cravings.  If you like garlic, enjoy it and it might help with your weight loss goals.  



T. Baluchnejadmojarad and M. Roghani, “Garlic extract attenuates time-dependent changes in the reactivity of isolated aorta in streptozotocin-diabetic rats.,” Life Sci, vol. 73, no. 18, pp. 2281–9, Sep. 2003. [PubMed]
M. Lee, I. Kim, C. Kim, and Y. Kim, “Reduction of body weight by dietary garlic is associated with an increase in uncoupling protein mRNA expression and activation of AMP-activated protein kinase in diet-induced obese mice.,” J Nutr, vol. 141, no. 11, pp. 1947–53, Nov. 2011. [PubMed]
C. Sheela, K. Kumud, and K. Augusti, “Anti-diabetic effects of onion and garlic sulfoxide amino acids in rats.,” Planta Med, vol. 61, no. 4, pp. 356–7, Aug. 1995. [PubMed]
D. Seo et al., “Independent beneficial effects of aged garlic extract intake with regular exercise on cardiovascular risk in postmenopausal women.,” Nutr Res Pract, vol. 6, no. 3, pp. 226–31, Jun. 2012. [PubMed]
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About the Author

I am a family physician who has served in the US Army. In 2016, I found myself overweight, out of shape, and unhealthy, so I made a change to improve my health. This blog is the chronology of my path to better health and what I have learned along the way.

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