Health Benefits of Garlic

That  garlic  is essential to add flavor to some foods, everyone knows. But not everyone has an idea how much this little vegetable can help us prevent and treat a variety of health problems.

With its peculiar flavor, strong and spicy, it is very (well) used in cooking around the world.

In Brazil, it makes all the difference at our table, accentuating the flavor of several dishes, including our popular rice-com-beans. But it also has its place in appetizers or snacks, such as garlic bread and canapés.

Let’s learn more about the properties and benefits that make garlic more than just a tasty spice, a protector of our body’s health.


With the scientific name Allium sativum , garlic is a plant of the liliaceae family whose “relatives” are onions and leeks.

Also known as garlic, garlic, or garlic, its numerous benefits are touted, both in cooking and in health treatments. But this fame is not new. Thousands of years before Christ, it was already used in Ancient Rome and Babylon to prevent and treat headaches, pharyngitis and infections.

To give you an idea, the father of medicine, Hippocrates, was the one who first demonstrated the effectiveness of garlic as a laxative and diuretic. Ancient documents also attest that Roman doctors already used this vegetable to treat digestive problems, high blood pressure, senility and even impotence.


Very popular in our kitchen and easily accessible, the benefits of garlic go far beyond seasoning.

Scientific researches show that this small vegetable, but with a strong presence, has great therapeutic value for presenting, in its composition, several substances beneficial to our health, mainly for the heart.

Rich in antioxidants and flavonoids, garlic has among its active compounds vitamins A, B1, B2, C, in addition to the substances Allicin, Alina, Germanium and Selenium. Combined, these elements have a protective function for our body, with antiseptic, antifungal and anti-inflammatory properties. These properties of garlic make it an excellent ally in the treatment and prevention of various diseases.


  • Prevents arteriosclerosis and cardiovascular disease;
  • Reduces bad cholesterol.
  • Fights obesity
  • Protects against colds and allergies.
  • Prevents stomach, colon and liver cancers.
  • diabetes control
  • Improves blood circulation
  • Prevent impotence


Rich in fiber and protein, garlic is very nutritious. Every 100 grams of this vegetable has about 150 calories. It also has in its composition essential minerals for our body, such as Calcium, Potassium, Iron and Magnesium.

All this makes garlic to be used as an effective natural remedy. However, like any vegetable, it may not be suitable for some groups of people in specific situations. Therefore, the important thing, before consuming, is to know the Benefits and harms of garlic.


Among other benefits, garlic is considered:

  • Antiviral and antibacterial – prevents asthma, bronchitis, flu, colds and allergies.
  • Diuretic and detoxifying – favors the elimination of toxins and helps to regulate the intestine.
  • Vasodilator – as it contains allicin, it improves blood circulation and helps control blood pressure.
  • Digestive – heartburn, gas and indigestion fights.
  • Expectorant – very effective for alleviating the symptoms of sore throat and coughing, it also cleanses the vocal cords.
  • Antioxidant – strengthens immunity and fights anemia.
  • Natural antibiotic – protects against various diseases.
  • Control of bad cholesterol
  • Great topical remedy to treat skin and oral tract allergies (toothache)


Although it is a very healthy food, the consumption of garlic should not be indiscriminate. It doesn’t hurt to remember some of them, so you can use this powerful food in a balanced way. Excessive consumption of garlic is contraindicated in cases of:

  • blood clotting problems
  • regular use of anticoagulant drugs
  • patients suspected of thrombosis
  • women with heavy menstruation
  • low blood pressure
  • pre or post surgery (including dental)

Individuals with hypersensitivity to garlic may experience stomach pain , heartburn and gas. It is also contraindicated for people with kidney disease, gastritis, ulcers and epilepsy.


Already in ancient times, Roman doctors prescribed the consumption of garlic to treat male senility and impotence. And this recommendation has scientific proof today. Because it contains an enzyme called Nitric Oxide Synthase, garlic helps to increase testosterone levels and improve blood circulation. With that, it helps with erection and improves male libido. Therefore, nowadays, garlic is popularly called “natural Viagra”.

In addition, regular consumption of garlic helps to control some types of diabetes, which is also one of the causes of erectile dysfunction. And since the subject is sexual performance, other good news is that raw garlic is an aphrodisiac . In addition to fluidizing the blood, this spice is a powerful stimulant that helps to set the mood at the right time.


Think of a “miraculous” recipe that can be prepared with foods you find in your kitchen. A mixture of garlic and olive oil can do wonders for your health. From a simple earache to blood pressure control, this natural recipe is an effective treatment without contraindications. While garlic contains antioxidants that strengthen the immune system, olive oil has monounsaturated fatty acids, very healthy for the heart. Here are some indications for the regular consumption of garlic and oil.

  • helps to lose weight
  • Antibiotic against various diseases
  • open the airway
  • Combat insomnia
  • Detoxification of the liver and gallbladder
  • Improves joint pain
  • Prevents Prostate Cancer

How to prepare:

Mix raw garlic (01 clove of red garlic for every 20kg of weight) + 2 tablespoons of extra virgin olive oil.

  • Let it tan for at least 2 hours before using.
  • Consume mixed in a hot broth (beef, chicken or vegetable broth).

If desired, add pieces of bread or toast (preferably wholegrain bread). It is recommended to take it at night, as this mixture causes some drowsiness and is great for relaxing and combating insomnia.

Another way to prepare garlic with olive oil is to make a larger mixture for monthly consumption.

How to make:

  • Separate 300 grams of garlic + 500g of extra virgin olive oil
  • peel the garlic
  • Beat in a blender with the oil
  • put in a glass pot
  • Let it enjoy for at least 2 h

Use a dessert or tablespoon of this mixture in a meal (hot broth or soup) daily. Consumed at night it is a great tranquilizer, providing a peaceful sleep.


Another quality can be added to the long list of indications of garlic for our health. According to recent researches, the consumption of garlic helps to lose weight. This is because one of its main active compounds is allicin, which works as an appetite suppressant, thus contributing to the weight loss process.

Garlic is a food considered thermogenic, that is, it helps to speed up metabolism during the digestion process. After being consumed, it sends satiety signals to the brain, causing the person to eat less. In addition, it stimulates the nervous system to release adrenaline, which speeds up your metabolism and helps you burn more calories.

How to use:

Try to eat a small portion of raw or cooked garlic daily

(01 clove of garlic for every 20 kg of weight). Another good indication are concentrated garlic capsules. Rich in vitamins, minerals and amino acids, they generate satiety, helping to control cholesterol and regulate thyroid function.


Another natural recipe that helps you lose weight is drinking water with garlic.

Drink on an empty stomach, right after waking up, works as a great cleanser, which will help burn fat. You can also consume water and garlic as an infusion, also with the aim of losing weight.


To prevent colds and flu or to alleviate their symptoms, a good indication and all natural is garlic tea. This drink helps to hydrate the body, relieving the discomfort caused by the flu. In addition, garlic has an expectorant effect, cleaning the vocal cords and relieving sore throat pain.

How to make:

– 01 tablespoon of garlic, chopped in 01 cup of water

– Boil the mixture for 05 minutes

– Allow to cool, strain and drink while still warm.

It is recommended a cup 03 times a day while symptoms last. Garlic tea also helps to strengthen immunity, favoring a faster cure for colds and flu.


You’ve certainly heard that garlic is good for your hair. This statement is true, as it is rich in several vitamins (A, B2, B6, C) that strengthen the hair strands. A powerful astringent, garlic also helps to prevent dandruff and because it has a fungicide action, it helps to remove oil from the hair.

However, according to dermatologists, the beneficial properties of garlic for the hair are obtained by the oral consumption of food or garlic capsules, with no scientific proof that washing or moisturizing them with a homemade garlic solution will have the same effect on our locks. .

Therefore, to give more life to your hair, the most recommended is to use garlic  in natura  or in capsule form.


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Robert Asprin, APD is a non-dieting Accredited Practicing Dietitian passionate about inspiring positive changes in eating and lifestyle behaviors to help improve health while nurturing relationships with food and body.

Robert Asprin

Robert Asprin, APD is a non-dieting Accredited Practicing Dietitian passionate about inspiring positive changes in eating and lifestyle behaviors to help improve health while nurturing relationships with food and body.

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