Why I Add It to My Food Every Single Day

Long before modern medicine handed us prescriptions in orange bottles, healers were reaching for something far humbler: a small, pungent bulb that grew quietly in the earth.

Hippocrates, the Greek father of Western medicine, used garlic to treat his patients thousands of years ago. Dioscorides, a Greek physician of the first century BC, declared that garlic "clears the arteries and opens the mouths of the veins." Modern science, it turns out, has been slowly catching up to what ancient healers already knew.

As someone who believes deeply in treating the whole person rather than chasing individual symptoms, I have come to think of garlic as one of the most powerful and accessible tools in our natural wellness toolkit. It is not glamorous. It will, if we are being candid, occasionally make your breath a social liability. But what it offers in return is, I believe, well worth that trade.

A Single Clove, A World of Nutrients

Garlic belongs to the onion family, and while it is not particularly caloric, a single clove contains only about 4.5 calories, it punches well above its weight nutritionally. It is rich in vitamin C, vitamin B6, and manganese, all of which play essential roles in supporting the immune and nervous systems.

Its most celebrated compound, however, is allicin, a naturally occurring antibiotic found only in fresh garlic. Here is the important part that many people miss: allicin is only released when the garlic is crushed or cut, and it degrades quickly once exposed to air.

For maximum potency, crush your garlic, let it rest for a few minutes to allow the enzymatic reaction to complete, and eat it as soon as possible: ideally raw, since heat can destroy allicin and other beneficial compounds.

The Heart of the Matter: Cardiovascular Health

One of the most compelling areas of garlic research concerns the cardiovascular system. Garlic has been shown to lower blood pressure and reduce cholesterol, and scientists in New Zealand demonstrated something particularly striking: garlic stimulates the release of nitric oxide by the endothelium, the inner lining of our arteries, causing blood vessels to widen and relax. Their study showed that arteries were 44 percent wider after just two weeks of garlic supplementation.

The implications of this are profound. Elevated blood pressure is one of the primary risk factors for stroke and heart attack, and garlic has been shown to reduce that risk by up to 40 percent. In terms of efficacy, it rivals pharmaceutical blood pressure medications without the side effects.

Cholesterol levels, another major cardiovascular risk factor, can be reduced by up to 10 percent after two consecutive months of consistent garlic intake. It is no coincidence that garlic is a cornerstone of the Mediterranean Diet, long celebrated for its protective effects on the heart.

Your Body's Natural Defense System

Beyond the heart, garlic is a powerful ally for the immune system. It is antimicrobial, antiviral, antifungal, and anti-inflammatory, a truly broad-spectrum defender. People who eat garlic regularly tend to recover faster from colds and flu, and experience milder symptoms when they do fall ill.

During the First World War, garlic was used to prevent gangrene and blood poisoning in soldiers. By the Second World War, the Russians were using it so extensively to fight infections that it earned the nickname "Russian Penicillin."

Science has since shown that garlic may inhibit viruses from entering cells or from replicating once inside them.

More than 600 scientific papers have examined garlic's effects on various types of cancer. Research has shown it to be effective against colon cancer, both in prevention and in slowing early-stage disease.

Chinese researchers found that high doses of garlic reduced the occurrence of stomach cancer by 47 percent.

In Italy, women who consumed the most garlic showed a 38 percent lower incidence of endometrial cancer, and similar patterns have been observed for lung, prostate, and brain cancer.

A Whole-Body Tonic

The benefits extend further still. Garlic helps regulate blood sugar and improves insulin sensitivity, making it relevant for those managing metabolic health.

It provides antioxidant protection that researchers believe may help guard against cognitive decline, including Alzheimer's disease — or at minimum, slow its progression.

Iranian researchers found that people with metabolic syndrome who ate two cloves of garlic per day for three months lost half an inch of waist circumference compared to the placebo group, suggesting that allicin actively fights visceral fat.

Garlic has also been used therapeutically for enlarged prostate, thrush, sickle cell anemia, and alopecia areata.

For menopausal women specifically, two grams of fresh garlic daily has been shown to significantly reduce the risk of osteoporosis, a finding I find particularly meaningful for our community.

Even athletic performance has a connection to this humble plant. Ancient civilizations fed garlic to laborers and Olympic athletes to enhance endurance and reduce fatigue. A 2023 study confirmed that while garlic did not directly improve cycling performance, it significantly reduced oxidative stress and muscle damage, the kind of internal wear that accumulates over time and accelerates aging.

Finally, garlic's sulfur compounds make it effective at protecting the body from heavy metal toxicity, including lead and research has shown it to be more effective at relieving symptoms of chronic lead poisoning than the pharmaceutical drug D-penicillamine.

A Few Things to Keep in Mind

With all of this said, garlic is a blood thinner, so if you are already taking blood-thinning medications, please consult your healthcare provider before increasing your intake. Some individuals are also allergic to garlic, so introduce it gradually rather than all at once.

When purchasing garlic, avoid elephant garlic — despite its appearance, it belongs to the leek family and lacks the medicinal compounds we are looking for. French garlic, with its slightly pinkish hue, is widely considered the most flavorful and potent variety. Whatever you choose, freshness is everything.

Chinese researchers have shown that people who consume garlic at least once per week live longer than those who eat it less frequently. For something so small, so inexpensive, and so widely available, that is a remarkable return on investment.

Ready to Take the Next Step in Your Wellness Journey?

If this article resonated with you, I invite you to explore how a holistic approach to health, one that honors the wisdom of plants, the intelligence of the body, and the whole person, can transform the way you feel every day.

Whether you are just beginning your natural wellness journey or looking to deepen a practice already underway, I would love to support you. Reach out to me at [email protected] and let us begin your healing journey together.

Shi X, Lv Y, Mao C, Yuan J, Yin Z, Gao X, Zhang Z. Garlic Consumption and All-Cause Mortality among Chinese Oldest-Old Individuals: A Population-Based Cohort Study. Nutrients. 2019 Jun 30;11(7):1504. doi: 10.3390/nu11071504. PMID: 31262080; PMCID: PMC6683033.

Tsao JP, Bernard JR, Tu TH, Hsu HC, Chang CC, Liao SF, Cheng IS. Garlic supplementation attenuates cycling exercise-induced oxidative inflammation but fails to improve time trial performance in healthy adults. J Int Soc Sports Nutr. 2023 Dec;20(1):2206809. doi: 10.1080/15502783.2023.2206809. PMID: 37170623; PMCID: PMC10184592.

Kianoush, S., Balali-Mood, M., Mousavi, S.R., Moradi, V., Sadeghi, M., Dadpour, B., Rajabi, O. and Shakeri, M.T. (2012), Comparison of Therapeutic Effects of Garlic and d-Penicillamine in Patients with Chronic Occupational Lead Poisoning. Basic & Clinical Pharmacology & Toxicology, 110: 476-481. https://doi.org/10.1111/j.1742-7843.2011.00841.x

Disclaimer

The information presented in this article is intended for educational purposes only and does not constitute medical advice. Garlic and other natural remedies, while supported by a growing body of scientific research, are not a substitute for professional medical care, diagnosis, or treatment. Individual results may vary. If you have a medical condition, are pregnant or nursing, or are taking prescription medications — particularly blood thinners — please consult your healthcare provider before making any changes to your diet or supplement routine. The author is not a licensed medical doctor and does not claim to diagnose, treat, cure, or prevent any disease.