188 milligrams (mg) of a garlic powder containing egg yolk taken daily for 12 weeks 240 to 2,400 mg of aged garlic extract taken daily for two to 23 weeks 400 mg of raw garlic taken daily for six ...

Aged garlic extract lowers blood pressure in patients with treated but uncontrolled hypertension: a randomised controlled trial. Maturitas. 2010 Oct;67 (2):144-50. doi: 10.1016/j.maturitas.2010.06 ...

The study, published in the journal Nutrients, involved 81 participants suffering from stage 1 hypertension, which is a leading risk factor for cardiovascular disease, including stroke and heart ...