Parsley and Gut Health

Parsley is a popular herb used in a wide range of cuisines for its fresh flavor and nutritional benefits. It contains fiber, antioxidants, and various micronutrients. While generally well tolerated, parsley can affect some people with sensitivities to histamine, salicylates, or nickel.

Parsley
  • Low in FODMAPs, suitable for most with IBS
  • Not high in histamine, but may act as a mild histamine liberator
  • Contains both soluble and insoluble fibers, supporting gut health
  • Moderate salicylate and nickel content, relevant for sensitive individuals
  • Rarely causes allergies, but cross-reactions possible

Parsley and FODMAP

Parsley is considered low in FODMAPs and is generally well tolerated by people with irritable bowel syndrome (IBS) or those following a low-FODMAP diet. Both flat-leaf and curly parsley can be used freely as a garnish or ingredient without concern for FODMAP-related symptoms. This makes parsley a safe herb for most people with sensitive digestion.

Parsley - FODMAP Profile
FODMAPs Level Portion Guidance
Monosaccharides (Fructose)
Low
  • ≤ 20 g = Low
  • > 20 g = Moderate
Disaccharides (Lactose)
Low
  • ≤ 100 g = Low
Fructooligosaccharides (Fructans)
Low
  • ≤ 20 g = Low
  • > 20 g = Moderate
Galactooligosaccharides (GOS)
Low
  • ≤ 100 g = Low
Polyols (Mannitol)
Low
  • ≤ 100 g = Low
Polyols (Sorbitol)
Low
  • ≤ 100 g = Low

Histamine and Parsley

Parsley itself is not high in histamine, but it may act as a mild histamine liberator in some sensitive individuals. This means it could trigger the release of histamine from cells, potentially causing symptoms in those with histamine intolerance. Most people tolerate parsley well, but if you are highly sensitive, monitor your response.

Parsley — Histamine Profile
Histamine & Related Level Portion Guidance
Histamine Level
Low
  • ≤ 100 g = Low
Other Biogenic Amines
Low
  • ≤ 100 g = Low
Histamine Liberator
Low
DAO Blocker
Low

Fiber Content in Parsley

Parsley contains about 3.3 grams of fiber per 100 grams, with both soluble and insoluble types present. Soluble fiber helps feed beneficial gut bacteria and supports regularity, while insoluble fiber adds bulk to stool. Although parsley is usually eaten in small amounts, it can contribute to overall fiber intake when used generously.

Parsley — Fiber Profile

Total Fiber

3.30 g per 100 g
Soluble: 1.20 g per 100 g (36.4%)
Insoluble: 2.10 g per 100 g (63.6%)
Fructans
0.10 g per 100 g

Salicylates in Parsley

Parsley contains moderate levels of salicylates, natural compounds found in many herbs and spices. For most people, this is not an issue, but those with salicylate sensitivity may experience symptoms such as stomach upset or headaches. If you are sensitive to salicylates, monitor your intake of parsley and other high-salicylate foods.

Nickel Content and Sensitivity

Parsley can contain moderate amounts of nickel, which may be relevant for people with nickel allergy or nickel-sensitive digestive symptoms. While most people will not react, those with diagnosed nickel sensitivity should be cautious with frequent or large amounts of parsley.

Allergy and Cross-Reactivity

Allergic reactions to parsley are rare, but possible. People with allergies to other herbs or plants in the Apiaceae family (such as celery or carrot) may experience cross-reactions. Symptoms can include oral itching or swelling. If you have known herb allergies, introduce parsley cautiously.

Parsley — Allergy Profile
EU Major Allergens
🌾
Cereals with Gluten
Absent
Details
  • Absent Wheat / Spelt
  • Absent Rye
  • Absent Barley
  • Absent Oats
🦐
Crustaceans
Absent
Details
  • Absent Crabs
  • Absent Prawns
  • Absent Shrimp
  • Absent Lobsters
  • Absent Crayfish
🥚
Eggs
Absent
🐟
Fish
Absent
🥜
Peanuts
Absent
🌱
Soy
Absent
🥛
Milk
Absent
🌰
Tree Nuts
Absent
Details
  • Absent Almonds
  • Absent Brazil Nuts
  • Absent Cashews
  • Absent Hazelnuts
  • Absent Macadamia Nuts
  • Absent Pecans
  • Absent Pistachios
  • Absent Walnuts
🍃
Celery
Absent
🧂
Mustard
Absent
🧈
Sesame
Absent
🧪
Sulphur Dioxide & Sulphites
Absent
🌼
Lupin
Absent
🐚
Molluscs
Absent
Details
  • Absent Clams
  • Absent Mussels
  • Absent Octopus
  • Absent Oysters
  • Absent Snails
  • Absent Squid
Other Allergens
🥥
Coconut
Absent
🍯
Honey
Absent
🧫
Yeast
Absent

Preparation and Tolerability

Parsley can be eaten raw, cooked, or blended into sauces. Cooking parsley may reduce its content of some natural compounds, potentially improving tolerability for sensitive individuals. Using fresh rather than dried parsley is generally preferred for gut health, as dried forms may be more concentrated in certain compounds.

Frequently Asked Questions About Parsley and Gut Health

Is parsley low FODMAP?

Yes, parsley is low in FODMAPs and safe for most people with IBS.

Does parsley cause histamine reactions?

Parsley is not high in histamine, but may act as a mild histamine liberator in sensitive individuals.

Does parsley provide fiber for gut health?

Parsley contains both soluble and insoluble fiber, supporting digestive health.

Can parsley trigger salicylate sensitivity?

Parsley contains moderate salicylates and may cause symptoms in sensitive people.

Is parsley high in nickel?

Parsley can contain moderate nickel, relevant for those with nickel sensitivity.

Can you be allergic to parsley?

Parsley allergy is rare, but cross-reactions with other herbs are possible.