Immune
GABRIELLA NAGY
4 MIN READ

Can Herbs And Spices Influence Immune Health?

Can Herbs And Spices Influence Immune Health?

Our immune system thrives when we nourish our bodies.

Not just with calories, but with variety, nutrients and the natural compounds found in herbs and spices. While no single ingredient is a cure-all, weaving flavours from whole-foods into everyday meals may help support immune resilience by reducing oxidative stress, nurturing gut health and supplying essential nutrients — all through habits that are as enjoyable as they are sustainable.

 

Why Herbs and Spices can be Helpful

Many common culinary herbs and spices, such as turmeric, cinnamon, ginger, oregano and black pepper are rich in polyphenols and phytochemicals that act as antioxidants, helping to neutralise free radicals. They may also positively influence the gut microbiome, which plays a vital role in immunity, inflammation control and metabolic health. By using herbs and spices instead of processed, overly salty, or fatty seasonings, you encourage cooking with whole foods, which supports both immune and gut health. (1,2)

 

Practical Nutritional and Cooking Tips

Here are some simple, actionable ways to harness the power of nature in your kitchen.

Spice-enriched meals

  • Turmeric and Black Pepper: Use turmeric regularly (curries, soups, stews, golden milks), and pair it with a small pinch of black pepper. Black pepper contains piperine, which helps the body absorb turmeric’s active compounds more effectively. (3)
  • Cinnamon: Sprinkle cinnamon onto porridge, yogurt, warm oats, or in baked goods. It adds warmth, flavour, and because of compounds like cinnamaldehyde, may contribute antioxidant support. (4)
  • Ginger: Either fresh or dried, for warmth and digestion - grate fresh ginger into soups or add slices to teas or broths. Ginger’s bioactive compounds may support antioxidant capacity and ease digestion. (5)
  • Use a variety of herbs and spices: Don’t rely on a single “magic” spice. Blends that include oregano, rosemary, thyme, black pepper, cinnamon, ginger and more can diversify phytochemical intake and support a more robust gut microbiome. (6)

 

Spice-infused teas, warm drinks and tonics

Research shows that many herbs used in teas - like rosemary, peppermint and thyme - naturally contain helpful plant compounds with gentle antioxidant and antimicrobial effects. For example, studies have found that herbal teas can provide antioxidants due to their natural plant chemicals (7), and that infusions made from herbs such as oregano also have properties that may help the body manage everyday oxidative stress (8).

 

Support gut-health with herbs, spices and fibre

Incorporating herbs and spices into a diet that is also rich in prebiotic fibres - such as vegetables, legumes and whole grains - and, where suitable, fermented or probiotic foods can help support a balanced gut microbiome, which in turn benefits immune and metabolic health. Some research suggests that regularly using culinary amounts of herbs and spices may positively influence gut microbial composition, for example by increasing beneficial bacteria like Bifidobacterium and Lactobacillus while inhibiting potentially harmful species (9).

 

What the Research Says, and What We Still Don't Know

A recent study confirmed that spices and herbs are rich in natural antioxidants (1). Some research, including studies on aromatic herbs and spices commonly used in the Mediterranean Diet, has found that cinnamon, turmeric, ginger, black cumin, and saffron may help improve fasting blood sugar in people with type 2 diabetes. (10). These benefits likely come from the plant compounds (polyphenols) in herbs and spices, their antioxidant and anti-inflammatory properties, and their interactions with gut bacteria (11).

However, most of the evidence is still early. Many promising effects come from test-tube or animal studies, and strong long-term human trials are limited (2). The size of the effect and its real-world relevance, such as boosting immunity or preventing disease remain unclear. Herbs and spices should be seen as a tasty and healthy addition to a balanced diet, not as a replacement for medical care or essential nutrients.

 

Practical “Nature-Based Immunity Support” Guidelines

Tip  Suggested Frequency*
Use a variety of herbs & spices (turmeric, cinnamon, ginger, oregano, rosemary, black pepper, etc.) Aim for small amounts each meal, e.g. a pinch to ½ tsp per dish
Spice-flavoured warm drinks (e.g. turmeric + ginger + lemon + water; herbal teas) 2–3 times per week (or more, depending on taste)
Base diet on whole, minimally processed foods such as vegetables, legumes, whole grains, nuts/seeds Daily as core diet
Include dietary fibre + fermented/probiotic foods (if tolerated) Daily (or several times per week)
Rotate herbs/spices so you don’t rely on only one, create flavourful, plant-rich meals Continually, treat herbs/spices like nutrients, not just seasoning

 

*These are culinary-dose suggestions aimed at variety and sustainability, not therapeutic high-dose supplementation.

 

Closing Thoughts

If there’s one thing we’ve learned from exploring nature’s toolkit, it’s that small, consistent choices can make a meaningful difference. Herbs, spices and simple whole foods have been part of human cooking for thousands of years, and they still offer something quietly powerful today. When we bring more of these flavours into our kitchens, we’re not chasing quick fixes. We’re creating the kind of everyday nourishment that can help our bodies feel supported, balanced and resilient.

At Gutology, we love that this approach puts people back in the driver’s seat. Try a new spice, build a meal around colourful plants, or revisit a recipe you grew up with. These gentle rituals don’t promise miracles, but they do offer something far more sustainable: a way of caring for yourself that’s enjoyable, grounded in real science, and surprisingly easy to weave into daily life. Let’s keep exploring what nature has already given us — one meal, one flavour, one small step at a time.

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References

1.    Alieozaman et al. (2024). An overview of spices and herbs as natural antioxidant sources. Journal of Current Research in Food Science, 5(1), 31–35.

2.    Dahl et al. (2023). Gut microbial modulation by culinary herbs and spices. Food Chem. 409:135286. 

3.    Kilgore, P. (2024). Spice up your meals with anti-inflammatory foods [online]. Dr Paul Kilgore. Available at: https://www.drpaulkilgore.com/blog/spice-up-your-meals-with-anti-inflammatory-foods

4.    Aluwi et al. (2022) Chapter 15 – Role of turmeric and cinnamon spices in digestive, metabolic and immune systems. Nutrition and Functional Foods in Boosting Digestion, Metabolism and Immune Health. 209-217.

5.    Peterson et al. (2019). Prebiotic Potential of Culinary Spices Used to Support Digestion and Bioabsorption. Evid Based Complement Alternat Med. 8973704.

6.    Dahl et al. (2023). Gut microbial modulation by culinary herbs and spices. Food Chem. 409:135286.

7.    Oh et al. (2013). Antioxidant and antimicrobial activities of various leafy herbal teas. Food Control. 31(2):403-409.

8.    Kogiannou et al. (2013). Herbal infusions; their phenolic profile, antioxidant and anti-inflammatory effects in HT29 and PC3 cells. Food Chem Toxicol. 61:152-9.

9.    Lu et al. (2017). Prebiotic Potential and Chemical Composition of Seven Culinary Spice Extracts. J Food Sci. 82(8):1807-1813.

10. Garza et al. (2024). Effect of Aromatic Herbs and Spices Present in the Mediterranean Diet on the Glycemic Profile in Type 2 Diabetes Subjects: A Systematic Review and Meta-Analysis. Nutrients 16, 756.

11.Charneca et al. (2023). Beyond Seasoning—The Role of Herbs and Spices in Rheumatic Diseases. Nutrients, 15, 2812.