Aged cheese and histamine intolerance — why aged cheeses are high in histamine, who may be affected, and which cheeses are lower in histamine.
For people with histamine intolerance, aged cheese can be a problem food, as it tends to be high in histamine. Here's a look at aged cheese and histamine intolerance. (This is general information, not medical advice — consult your doctor.)
What Histamine Intolerance Is
Histamine is a compound involved in immune responses and other bodily functions, and it's also found in many foods. Most people break down dietary histamine without issue, but some have histamine intolerance — a reduced ability to break down histamine (often due to low activity of the enzyme that degrades it). For these individuals, consuming high-histamine foods can cause symptoms like headaches, flushing, hives, digestive issues, or other reactions. Histamine intolerance is distinct from a food allergy and varies in severity between individuals.
Why Aged Cheese Is High in Histamine
Histamine accumulates in foods through aging, fermentation, and the breakdown of proteins by bacteria. Because aging cheese involves long fermentation and protein breakdown, aged and matured cheeses tend to be high in histamine — and the longer and more a cheese is aged, the more histamine it typically contains. This is similar to how aged cheeses accumulate tyramine. So the very process that gives aged cheese its complex flavor also raises its histamine content, making aged cheese a common trigger food for the histamine-intolerant.
High-Histamine Cheeses
Aged, matured, and fermented cheeses tend to be highest in histamine. This includes aged cheddar, blue cheeses, aged Gouda, Parmesan, Swiss, Camembert, and other well-aged or strongly fermented cheeses. The strongest, most mature cheeses are generally the highest in histamine. People with histamine intolerance often find these aged cheeses among their trigger foods, and many histamine-intolerance diets advise limiting or avoiding them. The degree of reaction depends on the individual's sensitivity and the amount consumed.
Lower-Histamine Cheeses
Fresh, young, unaged cheeses are lower in histamine, as they haven't undergone the prolonged fermentation and protein breakdown that produces it. Cheeses like fresh mozzarella, ricotta, cottage cheese, cream cheese, and other fresh cheeses are generally lower in histamine and may be better tolerated by those with histamine intolerance. As with lactose and tyramine, the fresher and younger the cheese, the lower the histamine. People sensitive to histamine often tolerate fresh cheeses better than aged ones, though individual tolerance varies.
Managing Cheese with Histamine Intolerance
If you have or suspect histamine intolerance: aged cheeses may be triggers, so you might tolerate fresh, low-histamine cheeses better. Keeping a food and symptom diary helps identify whether cheese (and which cheeses) affect you, as reactions are individual. Choosing fresh cheeses, eating them very fresh (histamine can increase as foods age, even in the fridge), and limiting aged cheeses may help. Because histamine intolerance is complex and individual, work with a doctor or dietitian to diagnose and manage it properly rather than self-diagnosing.
The Bottom Line
Aged cheese is high in histamine because aging and fermentation increase histamine content, which can trigger symptoms in people with histamine intolerance (a reduced ability to break down histamine). Aged cheddar, blue cheeses, and other matured cheeses are among the highest; fresh, young cheeses like mozzarella and ricotta are lower and may be better tolerated. If you suspect histamine intolerance, use a food diary and consult a healthcare professional for proper diagnosis and management. This is general information, not medical advice.
Frequently Asked Questions
Why is aged cheese high in histamine?
Aging, fermentation, and protein breakdown increase histamine content, so the longer and more a cheese is aged, the more histamine it tends to contain.
Which cheeses are high in histamine?
Aged and matured cheeses like aged cheddar, blue cheeses, aged Gouda, Parmesan, Swiss, and Camembert are among the highest in histamine.
Which cheeses are lower in histamine?
Fresh, young cheeses like fresh mozzarella, ricotta, cottage cheese, and cream cheese are lower in histamine and may be better tolerated by the histamine-intolerant.