The number of elderly individuals affected by cardiovascular diseases has been increasing in our country. Garlic (Allium sativum) has been associated with decrease of reactive species of oxygen, hypertension, high cholesterol, platelet aggregation, blood coagulation and especially cardiovascular diseases. The present study evaluated the effects of a garlic supplementation on vascular function and blood pressure in the elderly at cardiometabolic risk. Twenty-eight elderly individuals were submitted to an ingestion of four capsules of an aged garlic extract (KYOLIC® Aged Garlic Extract™). Muscle oxygenation and function were measured 180 min after interventions. Urinary thiosulfate, blood nitrate, nitrite, systolic blood pressure (SBP), diastolic blood pressure (DBP) and heart rate (HR) were measured at baseline and 180 min after interventions.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
28
2.400 mg (four capsules) of a nutritional supplement of aged garlic extract (Kyolic® Hi-Po Formula - Kyolic)
800 mg of maltodextrin (four capsules)
Universidade Federal do Rio de Janeiro - Campus Macaé
Macaé, Rio de Janeiro, Brazil
Near infrared spectroscopy 1
microvascular endothelial function
Time frame: 180 minutes after nutritional intervention
High performance liquid chromatography 1
Urinary nitrate concentrations
Time frame: Baseline and 180 minutes after nutritional intervention
High performance liquid chromatography 2
Urinary thiosulfate concetrations
Time frame: Baseline and 180 minutes after nutritional intervention
Near infrared spectroscopy 2
muscle oxygenation saturated assessment
Time frame: 180 minutes after nutritional intervention
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