Dr. Sunil - Is It Bad For You? Approved by Dr. Sunil

Is Cilantro Bad For You?

Also Known As: Coriander, Chinese parsley



Short answer

Cilantro is not bad for most people and offers several health benefits. It's a rich source of vitamins A, K, and C, minerals like potassium, and antioxidants that support overall health. However, some may experience allergic reactions or find its taste unpleasant due to genetic factors. While it may assist in heavy metal detoxification, more research is needed. Consuming cilantro in moderation, as part of a balanced diet, is generally safe and beneficial.



Long answer

Nutritional Profile and Benefits of Cilantro

Cilantro, also known as coriander leaves or Chinese parsley, is an herb commonly used around the globe for its distinctive flavor and aroma. But cilantro's appeal extends far beyond its culinary use; it is also packed with nutritional value and health benefits.

Let's dive into the nutritional components of cilantro:

  • Vitamins: Cilantro is rich in vitamin A, essential for eye health and immune function, and vitamin K, crucial for blood clotting and bone health. It also provides a good amount of vitamin C, an antioxidant that helps in the repair of tissues and enzymatic production of certain neurotransmitters.
  • Minerals: This leafy green is a good source of minerals such as potassium, which aids in blood pressure regulation, and manganese, important for metabolism and overall developmental processes. It also contains calcium and magnesium, both vital for bone health and many biochemical reactions in the body.
  • Antioxidants: Cilantro contains antioxidants that help protect against oxidative stress, which is linked to numerous diseases. These include quinone reductase and chlorophyll, among other beneficial phytonutrients.
  • Dietary Fiber: The fiber content in cilantro promotes healthy digestion and contributes to cardiovascular health.

Recent studies have further highlighted the benefits of cilantro:

  • A study published in the Journal of Food Sciences suggested that the oils found in cilantro may have antimicrobial properties, potentially making cilantro a natural food preservative.
  • Research in the Journal of Neurology indicates that the flavonoids in cilantro may provide neuroprotective benefits, possibly helping to protect against neurological inflammation.
  • Another study in the Journal of Agricultural and Food Chemistry found that cilantro may help reduce the toxicity levels of heavy metals in the body, suggesting a protective effect against certain environmental toxins.

Aside from these studies, health experts often recommend cilantro as a part of a heart-healthy diet due to its ability to lower bad cholesterol (LDL) levels while increasing good cholesterol (HDL) levels. Its low calorie and high nutrient profile also make it a superb addition to weight management diets.

It's important to note, however, that the nutritional profile of cilantro can vary based on growing conditions and preparation methods. Fresh cilantro leaves will offer more robust benefits compared to dried versions, and organic cilantro may have lower pesticide levels, which is healthier in the long term.

When incorporating cilantro into your diet, consider the variety of ways it can enhance your meals nutritionally. It pairs well with legumes, salads, and dressings, boosting both the flavor and the health quotient of your food.

Cilantro Allergy and Hypersensitivity Symptoms

Cilantro, also known as coriander, is a fresh herb commonly used in various cuisines worldwide. While it is celebrated for its vibrant flavor, some individuals may experience allergic reactions or hypersensitivity to this herb. It's important to identify and understand these symptoms as they can affect your overall well-being.

Symptoms of Cilantro Allergy:

  • Skin Reactions: One of the most frequent manifestations of a cilantro allergy is skin irritation. Individuals may develop hives, itching, or eczema shortly after consuming cilantro.
  • Respiratory Symptoms: Inhaling cilantro pollen can provoke allergic rhinitis, leading to sneezing, nasal congestion, a runny nose, or difficulty breathing.
  • Gastrointestinal Issues: Upon ingestion, some individuals might experience digestive distress, including stomach pain, nausea, vomiting, or diarrhea.
  • Anaphylaxis: In rare cases, a cilantro allergy can trigger a severe, potentially life-threatening reaction called anaphylaxis, characterized by a drop in blood pressure, rapid pulse, dizziness, and swollen throat or tongue, which requires immediate medical attention.

Oral Allergy Syndrome and Cilantro:

Oral Allergy Syndrome (OAS), or pollen-food syndrome, is another form of intolerance related to cilantro. It generally occurs in individuals who are allergic to pollen and thus react to similar proteins found in certain raw fruits, vegetables, or nuts. Cilantro can sometimes be a trigger for OAS symptoms, particularly in those sensitive to birch, mugwort, or grass pollens.

  • Itching or Tingling: The mouth and throat might itch or tingle immediately after eating raw cilantro.
  • Swelling: Mild swelling can occur around the mouth, lips, throat, or face.
  • Oral Discomfort: A slight burning sensation might be felt on the lips or in the mouth.

Identifying a Cilantro Allergy:

If you suspect you have a cilantro allergy, it is crucial to seek professional medical advice. An allergist can conduct skin prick tests or specific IgE blood tests to confirm an allergy. Moreover, an oral food challenge under medical supervision may also be employed as a diagnostic tool.

Managing Cilantro Allergy Symptoms:

  • Avoidance: The most effective way to manage a cilantro allergy is to avoid consuming the herb altogether, carefully reading labels and inquiring about ingredients when dining out.
  • Antihistamines: Over-the-counter antihistamines can alleviate mild symptoms if accidental consumption occurs.
  • Emergency Medication: For individuals at risk of anaphylaxis, carrying an epinephrine auto-injector (EpiPen) is essential and can be life-saving during an allergic reaction.

While cilantro allergies are not as common as other food allergies, they can still cause discomfort and pose a health risk for sensitized individuals. Recognizing the symptoms and understanding how to manage them can significantly enhance the quality of life for those affected. Always consult a healthcare provider for a proper diagnosis and treatment plan tailored to your specific needs.

Genetic Factors in Cilantro Taste Perception

The experience of tasting cilantro varies significantly from person to person, and scientific evidence suggests that this is largely due to genetic factors. Genes play a crucial role in shaping our perception of taste, influencing whether we find cilantro delightful or soapy and unpleasant. One particular gene, known as OR6A2, has been identified as a key player in this sensory experience.

The OR6A2 gene encodes for a receptor that is particularly sensitive to aldehyde chemicals, which are present in cilantro and are also by-products of soap and some insects. Individuals with a specific variant of this gene tend to describe cilantro as tasting like soap. A study published in the journal Flavour in 2012 highlighted this genetic trait, noting that between 4% and 14% of the population might have this genetic predisposition, with higher percentages reported among those of East Asian, European, and African descent.

  • Taste Receptor Genes: Taste receptor genes like TAS2R38 are also implicated in cilantro taste variation. They are responsible for bitter taste perception and might interact with OR6A2 to modulate cilantro taste.
  • Genetic Testing: Direct-to-consumer genetic testing kits now offer insights into whether an individual has the cilantro soap-taste predisposition, providing a personalized understanding of their taste profiles.
  • Environmental and Developmental Factors: While genetics are influential, they're not the sole determinant of cilantro taste perception. Environmental influences and repeated exposure can also affect how one perceives the flavor of cilantro over time.

Moreover, research indicates that the aversion to cilantro may not be permanent for everyone. Increasing exposure to cilantro can sometimes lead to a phenomenon known as "taste acclimation," where the initial negative response to cilantro diminishes with familiarity and repeated consumption.

It's important to note that while genetics can dictate taste perception, they do not inherently classify cilantro as good or bad for an individual's health. Even those who perceive a soapy taste may still enjoy the health benefits linked to cilantro, including its anti-inflammatory and digestive properties.

In conclusion, genetic makeup is a significant factor in cilantro taste perception, but it's also a complex trait influenced by multiple genes and environmental factors. Acknowledging these genetic underpinnings can lead to a better understanding and appreciation of individual differences in food preferences and pave the way for more personalized nutritional advice.

Heavy Metals and the Chelating Effect of Cilantro

Discussions surrounding cilantro often highlight its potential role in heavy metal detoxification. This biologically active herb has been the subject of studies investigating its ability to chelate, or bind to, heavy metals within the body, which is of considerable interest given the health risks associated with heavy metal exposure.

Heavy metals, such as lead, mercury, cadmium, and arsenic, are known to accumulate in the body over time. These elements can be found in the environment, as well as in certain foods, and can lead to toxic effects if they reach unsafe levels in the body. The symptoms of heavy metal poisoning can range from acute, such as nausea and abdominal pain, to chronic, including neurodegenerative diseases and renal dysfunction.

The chelating effect of cilantro has been specifically linked to constituents within the herb such as flavonoids and phenolic compounds. These are reputed to bind to heavy metals in the bloodstream and facilitate their elimination from the body, functioning in a similar way to pharmaceutical chelating agents.

A study published in the Journal of Toxicology highlighted cilantro's potential to decrease the lead absorption into bone, a tissue where lead accumulation can have serious implications for health. Similarly, anecdotal evidence often points to cilantro as a natural therapeutic agent for individuals looking to mitigate the effects of mercury following amalgam dental fillings removal. However, it is crucial to approach such claims with a scientific lens.

It's important to recognize that while these findings are promising, the extent and efficacy of cilantro's chelating effect in humans require more robust clinical trials. Moreover, clinical chelation therapy for heavy metal detoxification is a complex process and should not be substituted by dietary choices alone without medical supervision.

For those concerned with heavy metal exposure, incorporating cilantro into the diet might offer some supportive benefits, although it is not a standalone solution. It is also worth considering that the actual amount of cilantro intake necessary to produce a significant chelating effect is unclear from current research.

As with any detoxification strategy, it is recommended that individuals consult with healthcare professionals to understand the potential risks and benefits fully and to develop a comprehensive approach that may include diet, lifestyle changes, and when necessary, medical treatment.

Here is a brief overview of research regarding cilantro and its chelating properties:

  • Aguilera et al., 2005: Suggests a decrease in lead absorption in bone tissue in animals.
  • Omura et al., 1995: Observes an increase in the urinary excretion of mercury in humans after cilantro consumption.
  • Other pre-clinical studies: Point toward the scavenging activity of cilantro against other heavy metals like cadmium and arsenic.

It's important for people to understand that while cilantro can be a part of a healthy diet, relying solely on it for detoxification purposes is not scientifically supported and can lead to neglect of other, more effective treatments if heavy metal poisoning is a concern. The consumption of cilantro for its potential health benefits should be done keeping in mind the larger picture of dietary balance and under the advice of health professionals.

Appropriate Serving Sizes and Moderation Advice

Understanding the appropriate serving sizes and the benefits of moderating cilantro in your diet is crucial for reaping its potential health benefits without experiencing any unintended adverse effects. Here we dive into the guidelines for incorporating cilantro into your diet responsibly.

Suggested Serving Sizes

The serving size of cilantro largely depends on the form in which it is consumed—fresh leaves, dried, or as a spice (coriander). A typical serving of fresh cilantro leaves would be about a ¼ cup or a small handful, which is sufficient to add flavor to dishes without overpowering them. This amount can contribute to your daily vitamins and antioxidants intake without imposing any risks commonly associated with excessive consumption.

When using dried cilantro or ground coriander, however, the serving size should be much smaller due to its concentrated nature—usually around one teaspoon. This quantity is enough to achieve the desired culinary effect and nutritional advantages.

Considerations for Moderation

  • Individual Sensitivities: Some individuals may experience a difference in taste due to genetic variances that make cilantro taste like soap. If you have this sensitivity, you may want to limit or avoid cilantro.
  • Medicinal Interactions: Cilantro can interact with certain medications, including anticoagulant drugs. Consult with a healthcare provider to understand how cilantro might affect your medications.
  • Allergic Reactions: While not common, some individuals might be allergic to cilantro. If you experience any symptoms of food allergies, such as itching or swelling, you should discontinue use and consult a healthcare professional.

Cilantro in Balanced Diets

Moderately incorporating cilantro into a balanced diet can enhance the flavor of your meals while contributing beneficial nutrients. It can complement other herbs and spices, providing a diverse range of phytochemicals that support overall health. Balance and variety are key; relying solely on cilantro for your dietary intake of certain vitamins and minerals is not recommended, as this can lead to imbalances and potentially negate the benefits.

Bearing in mind these serving suggestions and moderation advice, cilantro can be a safe and healthful addition to many diets. Always remember that individual dietary needs can vary, so it's important to listen to your body or seek advice from a nutrition professional to tailor your cilantro consumption to your specific requirements.

Frequently asked questions

Cilantro is generally considered safe in the amounts typically used in cooking during pregnancy. However, due to its ability to potentially lower blood sugar, pregnant individuals should consult with a healthcare provider regarding its use, especially in medicinal quantities.

Yes, cilantro is a low-sodium herb that can enhance flavor without adding salt, making it suitable for a low-sodium diet. Its use can help manage blood pressure and contribute to cardiovascular health.

Yes, cilantro is rich in antioxidants, vitamins A and C, which are vital for maintaining skin health by protecting against oxidative stress and supporting the production and maintenance of collagen, essential for skin structure.

Cilantro may have a blood-sugar-lowering effect and is beneficial for weight management due to its low calorific value and nutritional density, making it a good addition to a diabetes-friendly diet when used in moderation as part of a balanced meal plan.

Ask a question about Cilantro and our team will publish the answer as soon as possible.

Possible short-term side effects

  • itching
  • tingling
  • swelling
  • oral discomfort
  • gastrointestinal issues
  • skin reactions
  • respiratory symptoms

Possible long-term side effects

  • none provided


  • rich in vitamins a, k, and c
  • provides potassium and manganese
  • contains calcium and magnesium
  • high in antioxidants
  • promotes healthy digestion
  • cardiovascular health benefits
  • may have antimicrobial properties
  • neuroprotective benefits
  • may reduce heavy metal toxicity
  • lowers ldl cholesterol
  • increases hdl cholesterol

Thank you for your feedback!

Written by Diane Saleem
Published on: 02-13-2024

Thank you for your feedback!

Written by Diane Saleem
Published on: 02-13-2024

Random Page

Check These Out!