The Field Guide
Is honey high FODMAP?
Honey is high FODMAP at a tablespoon and low at a teaspoon. The reason is excess fructose: honey carries more fructose than glucose, and that gap is what your small intestine struggles to absorb. The serving size is the whole answer.
The sweetener that's mostly the wrong sugar
Honey is roughly half fructose and a bit less glucose, and that imbalance is the whole problem. The FODMAP that matters here is excess fructose: fructose present in greater amount than glucose. Monash classifies honey as high FODMAP at a standard tablespoon, where both excess fructose and some fructan show up, and low FODMAP at a single teaspoon.
Your small intestine absorbs fructose through a slow, low-capacity door called GLUT5. Glucose holds a second, faster door open alongside it, so when a food carries fructose and glucose in equal measure the glucose pulls the fructose through with it and little is left behind. Honey breaks that pairing. The leftover fructose travels on to the colon, where bacteria ferment it into gas, and it pulls water in along the way. Gas plus water stretches the bowel wall, and a sensitive gut reads that stretch as bloating or cramping.
This is why a teaspoon and a tablespoon land so differently. The mechanism is dose-dependent, not pass or fail. A small serving leaves little unabsorbed fructose; quadruple it and the surplus your GLUT5 door cannot keep up with arrives at the colon all at once.
| Serving | Amount | Monash rating | What's driving it |
|---|---|---|---|
| 1 teaspoon | 7 g | Low FODMAP | Surplus fructose stays small |
| 1 tablespoon | 28 g | High FODMAP | Excess fructose plus some fructan |
| Honey vs. table sugar | — | Sugar is low FODMAP | Sucrose is fructose and glucose locked 1:1, so they balance |
| Honey + glucose source | — | May sit easier | Added glucose can help carry the fructose through |
Your teaspoon isn't the same as the test kitchen's
Monash sets that 7 g cutoff conservatively, to sit under most people's threshold on its own. Yours is your own. How much honey you tolerate depends on how well your GLUT5 absorption works, whether honey arrives alone or stacked with other fructose foods like apple or mango, and even your stress and sleep that week. Plenty of people with fructose malabsorption handle a teaspoon fine and react to a tablespoon; some react lower; a few never notice it.
The only way to find your line is to watch honey against how you actually feel, not against a chart built on a population average. Log the spoon, the meal it rode in on, and the hours after, and your real threshold stops being a guess. Bellyweather is built to surface that pattern across days, so the amount that tips you becomes a lead to test rather than a food you cut on principle.
- Keep honey to a teaspoon (about 7 g) at a sitting if you're sensitive to fructose; that's the tested low-FODMAP serving.
- Swap to pure maple syrup, table sugar, or rice malt syrup when you need a bigger drizzle, since their sugars are balanced and low FODMAP.
- Don't stack honey with other excess-fructose foods in one window: apple, mango, and high-fructose corn syrup add to the same load.
- Eat honey alongside a glucose source rather than on an empty stomach, which may help your gut carry the surplus fructose through.
Frequently asked questions
Is a teaspoon of honey low FODMAP?
Yes. Monash rates 1 teaspoon (7 g) of generic honey as low FODMAP. It climbs to high FODMAP by a tablespoon (28 g), where excess fructose and some fructan both register. The amount, not the food, decides it.
Why is honey high FODMAP but table sugar isn't?
Table sugar (sucrose) is fructose and glucose bound one to one, so the glucose carries the fructose through absorption and nothing is left to ferment. Honey holds more fructose than glucose, and that surplus is the excess fructose your gut struggles with.
What's a good low-FODMAP swap for honey?
Pure maple syrup, table sugar, brown sugar, and rice malt syrup are all low FODMAP at normal serving sizes because their sugars are balanced. Maple syrup is the closest match when you want a pourable sweetener for tea, oats, or baking.
Does manuka or raw honey change the FODMAP content?
Not in a way that's well established. The excess-fructose problem comes from honey's basic sugar profile, which is similar across types, and Monash tests generic honey. Some varietal honeys may differ slightly, but treat any honey as the same trigger until you've tested your own response.
Sources
Bellyweather is a wellness and food-tracking app, not a medical device. This article is for general information only and is not medical advice. Individual tolerances vary — talk to a qualified healthcare professional before making dietary changes related to a health condition.