health benefits of garlic

Amazing health benefits of garlic

health benefits of garlic

Garlic is a herb, so stating some health benefits of Garlic might sound magical, even the sulfur compound that gets formed when a garlic clove is crushed or chopped, has proven to be very beneficial for health.

Garlic is a species in the onion genus, Allium. Its close relatives include the onion, shallot, leek, chive, and Chinese onion. According to history, Garlic spread to other parts of the world over 5000 years ago.

Garlic is used for many conditions related to the heart and blood system and it is also very nutritious and has very few calories.

Garlic can be used for health challenges such as high blood pressure, low blood pressure, high cholesterol, inherited high cholesterol, coronary heart disease, heart attack, reduced blood flow due to narrowed arteries, and “hardening of the arteries” (atherosclerosis), can

Some people use garlic to prevent colon cancer, rectal cancer, stomach cancer, breast cancer, prostate cancer, multiple myeloma, and lung cancer. It is also used to treat prostate cancer and bladder cancer.

health benefits of garlic

Garlic has been tried for treating an enlarged prostate (benign prostatic hyperplasia; BPH), cystic fibrosis, diabetes, osteoarthritis, hayfever (allergic rhinitis), traveler’s diarrhea, high blood pressure late in pregnancy (pre-eclampsia), yeast infection, flu, and swine flu. It is also used to prevent tick bites, as a mosquito repellant, and for preventing the common cold, and treating and preventing bacterial and fungal infections.

Brief History About Garlic

However, throughout ancient history, the main use of garlic was for its health and medicinal properties (1).

Its use was well documented by many major civilizations, including the Egyptians, Babylonians, Greeks, Romans and Chinese (2).

Scientists now know that most of its health benefits are caused by sulfur compounds formed when a garlic clove is chopped, crushed or chewed.

Perhaps the most famous of those is known as allicin. However, allicin is an unstable compound that is only briefly present in fresh garlic after it’s been cut or crushed (3).

Other compounds that may play a role in garlic’s health benefits include diallyl disulfide and s-allyl cysteine (4).

The sulfur compounds from garlic enter the body from the digestive tract and travel all over the body, where it exerts its potent biological effects.

SUMMARY

Garlic is a plant in the onion family that’s grown for its distinctive taste and health benefits. It contains sulfur compounds, which are believed to bring some of the health benefits.

Health Benefits of Garlic

Garlic Is Highly Nutritious But Has Very Few Calories

Calorie for calorie, garlic is incredibly nutritious.

A 1-ounce (28-gram) serving of garlic contains (5):

Manganese: 23% of the RDA
Vitamin B6: 17% of the RDA
Vitamin C: 15% of the RDA
Selenium: 6% of the RDA
Fiber: 0.6 grams
Decent amounts of calcium, copper, potassium, phosphorus, iron and vitamin B1
Garlic also contains trace amounts of various other nutrients. In fact, it contains a little bit of almost everything you need.

This comes with 42 calories, 1.8 grams of protein and 9 grams of carbs.

SUMMARY
Garlic is low in calories and rich in vitamin C, vitamin B6 and manganese. It also contains trace amounts of various other nutrients.

2. Garlic Can Combat Sickness, Including the Common Cold

Garlic supplements are known to boost the function of the immune system.

One large, 12-week study found that a daily garlic supplement reduced the number of colds by 63% compared to a placebo (6).

The average length of cold symptoms was also reduced by 70%, from 5 days in the placebo group to just 1.5 days in the garlic group.

Another study found that a high dose of aged garlic extract (2.56 grams per day) reduced the number of days sick with cold or flu by 61% (7).

However, one review concluded that the evidence is insufficient and more research is needed (8).

Despite the lack of strong evidence, adding garlic to your diet may be worth trying if you often get colds.

SUMMARY
Garlic supplements help prevent and reduce the severity of common illnesses like the flu and common cold.

health benefits of garlic
3. The Active Compounds in Garlic Can Reduce Blood Pressure

Cardiovascular diseases like heart attacks and strokes are the world’s biggest killers.

High blood pressure, or hypertension, is one of the most important drivers of these diseases.

Human studies have found garlic supplements to have a significant impact on reducing blood pressure in people with high blood pressure (9, 10, 11).

In one study, 600–1,500 mg of aged garlic extract was just as effective as the drug Atenolol at reducing blood pressure over a 24-week period (12).

Supplement doses must be fairly high to have the desired effects. The amount needed is equivalent to about four cloves of garlic per day.

SUMMARY
High doses of garlic appear to improve blood pressure for those with known high blood pressure (hypertension). In some instances, supplements may be as effective as regular medications.

4. Garlic Improves Cholesterol Levels, Which May Lower the Risk of Heart Disease Garlic can lower total and LDL cholesterol.

For those with high cholesterol, garlic supplements appear to reduce total and/or LDL cholesterol by about 10–15% (13, 14, 15).

Looking at LDL (the “bad”) and HDL (the “good”) cholesterol specifically, garlic appears to lower LDL but has no reliable effect on HDL (9, 10, 16, 17, 18).

High triglyceride levels are another known risk factor for heart disease, but garlic seems to have no significant effects on triglyceride levels (13, 15).

SUMMARY
Garlic supplements seem to reduce total and LDL cholesterol, particularly in those who have high cholesterol. HDL cholesterol and triglycerides do not seem to be affected.

5. Garlic Contains Antioxidants That May Help Prevent Alzheimer’s Disease and Dementia
Oxidative damage from free radicals contributes to the aging process.

Garlic contains antioxidants that support the body’s protective mechanisms against oxidative damage (19).

High doses of garlic supplements have been shown to increase antioxidant enzymes in humans, as well as significantly reduce oxidative stress in those with high blood pressure (7, 9, 20).

The combined effects on reducing cholesterol and blood pressure, as well as the antioxidant properties, may reduce the risk of common brain diseases like Alzheimer’s disease and dementia (21, 22).

SUMMARY
Garlic contains antioxidants that protect against cell damage and aging. It may reduce the risk of Alzheimer’s disease and dementia.

6. Garlic May Help You Live Longer
The potential effects of garlic on longevity are basically impossible to prove in humans.

But given the beneficial effects on important risk factors like blood pressure, it makes sense that garlic could help you live longer.

The fact that it can fight infectious disease is also an important factor, because these are common causes of death, especially in the elderly or people with dysfunctional immune systems.

SUMMARY
Garlic has known beneficial effects on common causes of chronic disease, so it makes sense that it could also help you live longer.

7. Garlic Supplements improves Athletic Performance
Garlic was one of the earliest “performance enhancing” substances.

It was traditionally used in ancient cultures to reduce fatigue and enhance the work capacity of laborers.

Most notably, it was given to Olympic athletes in ancient Greece (1).

Rodent studies have shown that garlic helps with exercise performance, but very few human studies have been done.

People with heart disease who took garlic oil for 6 weeks had a 12% reduction in peak heart rate and better exercise capacity (23).

However, a study on nine competitive cyclists found no performance benefits (24).

Other studies suggest that exercise-induced fatigue may be reduced with garlic (2).

SUMMARY
Garlic may improve physical performance in lab animals and people with heart disease. Benefits in healthy people are not yet conclusive.

8. Eating Garlic May Help Detoxify Heavy Metals in the Body
At high doses, the sulfur compounds in garlic have been shown to protect against organ damage from heavy metal toxicity.

A four-week study in employees of a car battery plant (excessive exposure to lead) found that garlic reduced lead levels in the blood by 19%. It also reduced many clinical signs of toxicity, including headaches and blood pressure (25).

Three doses of garlic each day even outperformed the drug D-penicillamine in reducing symptoms.

SUMMARY
Garlic was shown to significantly reduce lead toxicity and related symptoms in one study.

9. Garlic May Improve Bone Health
No human studies have measured the effects of garlic on bone loss.

However, rodent studies have shown that it can minimize bone loss by increasing estrogen in females (26, 27, 28, 29).

One study in menopausal women found that a daily dose of dry garlic extract (equal to 2 grams of raw garlic) significantly decreased a marker of estrogen deficiency (30).

This suggests that this supplement may have beneficial effects on bone health in women.

Foods like garlic and onions may also have beneficial effects on osteoarthritis (31).

SUMMARY
Garlic appears to have some benefits for bone health by increasing estrogen levels in females, but more human studies are needed.

10. Garlic Is Easy to Include in Your Diet and Tastes Absolutely Delicious
The last one is not a health benefit but is still important.

Garlic is very easy (and delicious) to include in your current diet.

It complements most savory dishes, particularly soups and sauces. The strong taste of garlic can also add a punch to otherwise bland recipes.

Garlic comes in several forms, from whole cloves and smooth pastes to powders and supplements like garlic extract and garlic oil.

However, keep in mind that there are some downsides to garlic, such as bad breath. There are also some people who are allergic to it.

If you have a bleeding disorder or are taking blood-thinning medications, talk to your doctor before increasing your garlic intake.

A common way to use garlic is to press a few cloves of fresh garlic with a garlic press, then mix it with extra virgin olive oil and a bit of salt.

This a healthy and super satisfying dressing.

SUMMARY
Garlic is delicious and easy to add to your diet. You can use it in savory dishes, soups, sauces, dressings and more.
The Bottom Line
For thousands of years, garlic was believed to have medicinal properties.

Science has now confirmed it.

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