Research suggests garlic may modestly reduce blood pressure, especially in people with uncontrolled hypertension, but experts caution that supplements can interact with medications and should not replace prescribed treatment.
By yourNEWS Media Newsroom
Garlic may offer measurable help for some people trying to lower blood pressure, but the research stops short of supporting it as a stand-alone treatment for hypertension.
The potential benefit is tied largely to allicin, a sulfur-containing compound released when garlic is crushed, chopped or chewed. Because allicin breaks down quickly, researchers have noted that preparation can affect how much of the compound is available. Its antibacterial properties were first documented in 1944 in the Journal of the American Chemical Society.
Studies suggest allicin may influence blood pressure through several mechanisms. Researchers have examined whether it may help relax blood vessels, support nitric oxide production, reduce inflammation, provide antioxidant effects and interfere with processes that cause blood vessels to constrict. Those effects could allow blood to move more easily through the circulatory system.
Clinical research has produced cautiously encouraging results. A meta-analysis of 12 trials involving 553 adults with uncontrolled high blood pressure found that garlic reduced blood pressure, with results described as comparable to standard blood pressure medications and with fewer reported side effects. Another meta-analysis, which reviewed 20 trials involving 970 participants, found reductions in both systolic and diastolic blood pressure.
Other studies have reported similar findings. A 2013 study found that participants who took garlic tablets saw significant decreases in systolic and diastolic blood pressure compared with those who received a placebo or atenolol. Research on aged garlic extract has also found blood pressure reductions in people with uncontrolled hypertension.
The scale of the effect appears modest. Studies have reported blood pressure reductions of 2 to 7 percent after four weeks of treatment. In May 2004, an article in the Journal of Clinical Hypertension described garlic as “an agent with some evidence of benefit” for reducing hypertension.
People with uncontrolled hypertension appear most likely to benefit from garlic supplementation, according to the research described. The Hypertension Institute of Nashville at St. Thomas Hospital has included a stable form of garlic known as Allicidin in its dietary and supplement protocols for hypertension and high triglycerides. Garlic has also been studied for possible weight-control benefits, including research in rats fed a high-fructose diet.
The dosage used in studies varies widely. Research has examined garlic powder at 188 milligrams to 2,400 milligrams daily, aged garlic extract at 240 milligrams to 2,400 milligrams daily, raw garlic at 400 milligrams daily and garlic oil at 12.3 milligrams daily. Aged garlic extract has shown the most consistent results, with stronger outcomes generally reported in the 400-milligram to 2,400-milligram daily range.
Garlic has also been studied for immune-related effects. In one study cited in the submitted information, the garlic group had 24 colds compared with 65 in the placebo group, and the average symptom duration was less than half among those taking garlic.
Despite those findings, garlic supplements are not risk-free. Side effects can include abdominal pain, body odor, breath odor, burping, constipation, diarrhea, heartburn, nausea, upset stomach and vomiting. People with a garlic allergy or chronic gastrointestinal conditions, including reflux or ulcers, should avoid garlic supplements.
Pregnant and breastfeeding women are advised to avoid garlic supplements because there is not enough safety evidence. People taking anticoagulants or blood thinners, including warfarin or clopidogrel, should also be cautious because garlic may increase bleeding risk. Those using blood pressure medication may experience an amplified effect, which could cause blood pressure to fall too low.
Patients scheduled for surgery should tell their health care provider if they are taking garlic. Garlic may also interact with birth control pills, nonsteroidal anti-inflammatory drugs and medications used to lower blood sugar.
The evidence, while promising, remains limited by differences in study design, dosage, treatment length and participant characteristics. Those variations make it difficult to draw one universal conclusion about how garlic should be used for blood pressure management.
The central caution remains that garlic should not replace prescribed medication. Patients taking blood pressure drugs should not stop, reduce or change treatment without consulting a health care provider. Anyone considering garlic as a supplement should speak with a doctor first, particularly if they take other medications or have underlying health conditions.
“Garlic offers multiple benefits as a natural medicine, notably in helping alleviate certain symptoms,” said BrightU.AI’s Enoch. “Its key advantages include its ability to act as a natural antimicrobial and anti-inflammatory agent. Therefore, garlic can be a beneficial supplement for supporting overall health and targeting specific health issues.”
Garlic remains a potential complementary tool for blood pressure management, supported by research showing reductions in both systolic and diastolic readings. But the findings point to a limited role: Garlic may help some patients as part of a broader health plan, but it is not a cure and should be used with medical guidance.
A video discussing garlic from the book “Garlic for Health” by Dr. Benjamin Lau is available through the BrightLearn channel on Brighteon.com.
This video is from the BrightLearn channel on Brighteon.com.
Source: Natural News
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