Honey is primarily made of two simple sugars: fructose and glucose. These two sugars alone account for 85–95% of all the carbohydrates in honey, with fructose typically making up 36–43% and glucose 25–35%. The remaining fraction is a mix of water (about 17–20%), trace minerals, enzymes, organic acids, and over two dozen minor sugars.
Fructose and Glucose: The Main Two
More than 95% of the solid matter in honey is carbohydrate, and the overwhelming majority of that is fructose and glucose. These are monosaccharides, the simplest form of sugar. Your body doesn’t need to break them down further before absorbing them, which is why honey dissolves easily and tastes intensely sweet.
In nearly all honey varieties, fructose is the dominant sugar. Fructose is the same sugar that makes fruit taste sweet, and it’s about 1.2 to 1.7 times sweeter than glucose to your taste buds. A few exceptions flip the ratio: rapeseed (canola) honey and dandelion honey contain more glucose than fructose.
This fructose-to-glucose ratio isn’t just a chemistry detail. It directly controls whether the jar of honey on your counter stays liquid or turns into a thick, grainy mass. Honeys with a fructose-to-glucose ratio below 1.11 crystallize fast, sometimes within weeks. Honeys above 1.33 stay liquid for months or longer. Acacia honey, for example, is famously slow to crystallize because its fructose content is high relative to glucose. If your honey has crystallized, that’s not a sign of spoilage. It just means the glucose molecules have formed solid crystals, and gently warming the jar will return it to liquid.
How Honey Differs From Table Sugar
Table sugar is sucrose, a disaccharide made of one fructose molecule bonded to one glucose molecule. When you eat table sugar, your digestive enzymes split that bond, releasing the same fructose and glucose found in honey. So at a molecular level, your body ends up processing similar raw materials from both.
The key difference is proportion. Table sugar is 50% fructose and 50% glucose by weight after digestion. Honey skews toward fructose (often 38–40%) and has less glucose (around 30%), plus water dilutes the total sugar content per spoonful. One tablespoon of honey contains about 17 grams of sugar and 64 calories, compared to roughly 12.5 grams and 49 calories in a tablespoon of table sugar. Honey is denser, so a tablespoon holds more material.
Honey also has a lower glycemic index than table sugar. Honey averages around 55, while sucrose sits at about 68. A lower glycemic index means a slower, more gradual rise in blood sugar after eating. The higher fructose content partly explains this, since fructose is processed primarily by the liver rather than spiking blood glucose directly. That said, honey is still a concentrated source of sugar, and the difference in blood sugar response is moderate, not dramatic.
The Minor Sugars
Beyond fructose and glucose, honey contains small amounts of at least 25 other sugars. These fall into two categories: disaccharides (two sugar molecules linked together) and oligosaccharides (three or more linked molecules). Individually, each one makes up a tiny fraction of the total, but collectively they contribute to honey’s complex flavor and texture.
The most notable disaccharides in honey include maltose, sucrose, and turanose. Yes, honey naturally contains a small amount of sucrose, typically under 5%. The USDA sets a maximum of 5 grams of sucrose per 100 grams for most honey types, though certain varieties like lavender and borage honey can naturally contain up to 15 grams per 100 grams and still qualify as pure honey.
Honeydew honey, which bees make from the sugary secretions of plant-feeding insects rather than flower nectar, tends to have higher levels of oligosaccharides like melezitose and erlose. These more complex sugars give honeydew honey a less sweet, more malty flavor compared to floral honeys.
What’s in Honey Besides Sugar
Sugar dominates honey’s composition, but the remaining 3–5% of non-sugar material is what separates honey from plain sugar syrup. Water accounts for 17–20% of honey by weight, which is carefully regulated by the bees themselves. They fan the honeycomb with their wings to evaporate excess moisture until the water content drops low enough to prevent fermentation.
Organic acids make up roughly 0.5% and give honey its mildly acidic pH (typically between 3.4 and 6.1). Gluconic acid is the most abundant, produced by an enzyme that bees add to nectar during processing. Honey also contains trace amounts of amino acids, minerals like potassium and calcium, B vitamins, and enzymes. These components exist in such small quantities that honey isn’t a meaningful source of any vitamin or mineral, but they do influence flavor, color, and aroma across different honey varieties.
Why the Sugar Profile Varies
Not all honey has the same sugar breakdown. The flowers bees visit, the climate, the season, and even the species of bee all shift the ratio. Clover honey, one of the most common varieties in the U.S., tends to have a balanced fructose-to-glucose ratio and crystallizes at a moderate pace. Tupelo honey from the southeastern U.S. is exceptionally high in fructose, staying liquid almost indefinitely. Canola honey sits on the opposite end, with glucose levels high enough to crystallize within days of extraction.
If you’re choosing honey based on how it behaves in your kitchen, the fructose-to-glucose ratio is the single most useful number. Liquid honeys with high fructose work well for drizzling and mixing into drinks. Honeys that crystallize quickly tend to develop a smooth, spreadable texture, which is why creamed honey is often made from varieties with higher glucose content.