What is a Low Histamine Diet?

Intrigued by the buzz on the Low HIstamine Diet? Nutrition Diva sorts fact from fiction about which foods are high in histamines, and who might benefit from avoiding them.

Monica Reinagel, MS, LD/N, CNS
5-minute read
Episode #295

Which Foods are High in Histamines?

  • Cured and fermented meats, such as pepperoni and salami, can be particularly high in histamine.  
  • Smoked or canned fish, as well as shellfish and any fish that is not extremely fresh, may also contain significant amounts of histamines.  
  • Lacto-fermented vegetables, including traditionally prepared sauerkraut, pickles, and kim-chi, may be particularly high in histamines.  
  • Cheese is another common culprit—and aged cheeses tend to be higher in histamines than younger cheeses, because the bacteria have had longer to work. Cultured dairy products, such as yogurt and kefir, are much lower in histamines than cheese. And contrary to some sources on the Internet, fresh cheeses like paneer, cottage cheese, and ricotta, are not likely to be significant sources of histamines, because these are produced by adding acid to milk rather than culturing it with bacteria.  
  • Red wine and beer both contain a moderate amount of histamine. White wine tends to be a bit lower than red wine, but champagne (tragically) is extremely high. Clear spirits such as gin, vodka, and rum are generally low in histamines—but the alcohol they contain can block the elimination of histamines from the body.  
  • Spinach and eggplant—for reasons I can’t explain—have been determined to have relatively high histamine content.  
  • Vinegar, miso, and soy sauce, all of which are fermented, can contain histamines. But because these foods are usually consumed in relatively small quantities, the amount of histamines per serving is actually fairly small.

So what about all those other foods that you’ll see when Googling these lists--things like strawberries, citrus, and cinnamon? These foods are rumored to be “histamine-releasing” foods, but this effect is not well supported by evidence.  

There’s No Such Thing as A Histamine-Free Diet

The goal of a low-histamine diet is to reduce your dietary histamine load—not necessarily to zero, which would be virtually impossible, but to below the threshold that triggers symptoms. That threshold will be lower for some people than others.

Plus, your tolerance for histamine-containing foods and beverages may also fluctuate. If you suffer from seasonal allergies, for example, you may find that your tolerance is lower during these periods. 

Rather than trying to completely eliminate every food that’s ever been found (or rumored) to contain histamines (which would be extremely restrictive), I suggest avoiding those foods that are most likely to be high in histamines, including cured meats, smoked and canned fish, shellfish, cheese, miso, spinach, red wine, beer, and champagne. In addition, you might want to moderate your intake of foods which may contain small amounts of histamines, such as white wine, yogurt, kefir, vinegar, and soy sauce.  

At the same time, you'll want to make sure you’re not blocking your body’s ability to breakdown and eliminate whatever histamines you do take in. The most common over-the-counter culprits are alcohol, acid-blockers, and NSAIDs. In fact, symptoms of histamine intolerance can sometimes be completely resolved merely by reducing the use of drugs or alcohol, which block the body’s ability to breakdown histamines from foods. No special diets required!

Who Needs a Low Histamine Diet?

If you have mysterious, allergy-like symptoms that seem to be food-related, but can't be explained by a more conventional diagnosis, it might be worth experimenting with this low-histamine approach to see if it helps you. If it does, great!

If it doesn't seem to make any difference, histamine intolerance may not be your issue. And if you don't have these symptoms to begin with, I don't think there's any general benefit to be had from avoiding the small amount of histamines that you'd get from a regular diet. Although it seems to be shaping up as the next diet fad, a low-histamine diet is not a panacea for clearer skin, boundless energy, or effortless weight loss.


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Photos of seafood, cured meats, and itching courtesy of Shutterstock.


About the Author

Monica Reinagel, MS, LD/N, CNS

Monica Reinagel is a board-certified licensed nutritionist, author, and the creator of one of iTunes' most highly ranked health and fitness podcasts. Her advice is regularly featured on the TODAY show, Dr. Oz, NPR, and in the nation's leading newspapers, magazines, and websites. Do you have a nutrition question? Call the Nutrition Diva listener line at 443-961-6206. Your question could be featured on the show.