by QNL Staff, March 16th 2020
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The Immune-Boosting Power of Garlic: A Natural Superfood for Active Lifestyles

The Immune-Boosting Power of Garlic: A Natural Superfood for Active Lifestyles

Table of Contents

Garlic: A Superfood with Powerful Health Benefits

Garlic (Allium sativum) is a powerful superfood known for its bioactive, sulfur-containing compounds that support immune health, help maintain healthy blood pressure and cholesterol levels already within the normal range. It also offers antioxidant-like effects and aids in detoxification processes.¹ Grown and used globally, garlic has long been valued for its cardiovascular benefits, and recent research reveals that its impact on immune system support may be even more significant than once thought.

Garlic and Immune System Health

For centuries, garlic has been used in traditional medicine for its antibacterial and antimicrobial properties. Ancient cultures, from the Egyptians to the Greeks, used garlic to treat wounds and enhance immunity. Its potent, sulfur-containing compounds, such as allicin, combat a variety of bacteria, including some antibiotic-resistant strains, by disrupting their cellular processes.²

Garlic has also been studied for its effectiveness against common bacteria that are linked to oral health concerns, with research showing its potential to combat dental infections. These properties make garlic a valuable natural alternative for those seeking to support their body’s defenses without relying solely on synthetic antibiotics.

Studies show that garlic can help maintain healthy immune system function by stimulating key immune cells such as natural killer cells and lymphocytes, which assist in defending the body against viruses and bacteria.³ When garlic is crushed or chewed, compounds like allicin are released, providing strong immune-supporting effects.

Garlic also enhances immune defenses by increasing white blood cell activity and supporting interferon-alpha production, crucial for maintaining a healthy immune response. Adding garlic to your routine can help keep your immune system resilient and support overall wellness.

Cardiovascular Benefits of Garlic

Numerous research studies on garlic have shown that it supports healthy blood pressure and cholesterol levels already within the normal range, both associated with cardiovascular wellness. Whole garlic contains a potent compound called alliin, which converts to allicin when chewed or crushed. Allicin is garlic's main ingredient and provides medicinal properties, including boosting the microbial-fighting response of our white blood cells.⁴

Allicin also promotes better blood flow by helping relax blood vessels and supports normal enzyme functions related to heart health. Its antioxidant-like properties protect the heart from damage, making garlic an essential addition to a cardiovascular-friendly lifestyle.

Antioxidant-Like and Nutritional Properties

In addition to supporting immune and cardiovascular health, garlic contains beneficial compounds that help maintain healthy cell function, contributing to overall wellness. Garlic’s naturally occurring components also support the body’s natural defenses, making it a valuable addition to a daily health routine.

Garlic is highly nutritious yet very low in calories, making it an excellent addition to a balanced diet. A single clove (about 3 grams) contains only 4.5 calories, with small amounts of protein and carbohydrates. It is a good source of essential nutrients like manganese, vitamin B6, vitamin C, selenium, fiber, and trace amounts of other vitamins and minerals.¹,⁵ Despite its low-calorie content, garlic offers significant nutritional value.

How to Use Garlic for Maximum Health Benefits

Garlic can be consumed in various forms to suit individual preferences and health needs. Fresh garlic activates its essential beneficial compounds when crushed or chopped, making it ideal for adding to meals. However, raw garlic can be intense or harsh on some people's digestive systems, causing discomfort. In such cases, garlic supplements, like capsules containing aged garlic extract or dried, unprocessed garlic, offer a convenient alternative.

Supplements provide a concentrated dose of garlic's beneficial compounds, which may be harder to achieve through diet alone. Choosing high-quality, reputable products for your supplementation needs ensures you receive all the immune and cardiovascular benefits without potential digestive discomfort.

Garlic is generally considered safe for most people when consumed in typical food amounts, though raw garlic may cause digestive discomfort or strong odors. Some individuals may experience stomach upset or heartburn.¹ If you take garlic supplements, be aware that they may interact with certain medications. It's essential to consult a healthcare provider, mainly if you are pregnant, breastfeeding, or taking medications, to ensure garlic supplements are appropriate for you.

Conclusion: Garlic as a Daily Wellness Essential

Garlic is a highly nutritious and powerful superfood that offers numerous health benefits. From immune support to cardiovascular health, garlic provides the building blocks for robust overall wellness. Whether consumed fresh or as a supplement, it’s essential to any health-conscious lifestyle. Incorporating garlic into your daily routine is a simple way to support your immune system, cardiovascular wellness, and overall well-being. If you want to consume garlic as a supplement, your best bet is to purchase it from a trusted source to benefit from the effects of high-quality garlic.

‡ The products and claims made about specific products on or through this Site have not been evaluated by the United States Food and Drug Administration and are not approved to diagnose, treat, cure, or prevent disease.

‡ This Site is not intended to provide diagnosis, treatment, or medical advice. Products, services, information, and other content provided on this Site, including information that may be provided on this Site directly or by linking to third-party websites are provided for informational purposes only. Please consult accredited healthcare professional organizations, evidence-based herbal monographs, and published clinical research regarding any medical or health-related diagnosis or treatment options.

References

  1. Verma T, Aggarwal A, Dey P, et al. Medicinal and therapeutic properties of garlic, garlic essential oil, and garlic-based snack food: An updated review. Front Nutr. 2023;10:1120377. Available here
  2. Kshirsagar MM, Dodamani AS, Karibasappa GN, et al. Antibacterial activity of garlic extract on cariogenic bacteria: An in vitro study. Ayu. 2018;39(3):165-168. Available here
  3.  Singh DN, Bohra JS, Dubey TP, et al. Common foods for boosting human immunity: A review. Food Sci Nutr. 2023;11(11):6761-6774. Available here
  4. Shang A, Cao SY, Xu XY, et al. Bioactive Compounds and Biological Functions of Garlic (Allium sativum L.). Foods. 2019;8(7):246. Available here
  5. Garlic: Proven Health Benefits. Healthline. Available here

Jenny Perez is an herbal educator, researcher, and writer who has been immersed in the field of nutrition and botanical medicine for more than 20 years. Jenny has created curriculum, content, and educational materials for Quantum Nutrition Labs, Premier Research Labs, the American Botanical Council, and Bastyr University’s Botanical Medicine Department where she was Adjunct Faculty, Herb Garden Manager, and Director of the Holistic Landscape Design certificate program.