Honey Sugar Content: How Much Sugar Is in a Tablespoon and Its Glycemic Effect

A tablespoon of honey contains about 17g of sugar — mostly fructose and glucose. Learn how honey compares to table sugar and what its glycemic effect means.

April 10, 2026
Author
Superpower Science Team
Reviewed by
Julija Rabcuka
PhD Candidate at Oxford University
Creative
Jarvis Wang

Quick answer: One tablespoon of honey contains approximately 17 grams of sugar, primarily as fructose (roughly 40%) and glucose (roughly 30%), with the remainder as water and trace compounds. Its glycemic index is lower than table sugar in most published values (approximately 58 vs. 65 for sucrose), but the difference is modest and the total sugar content is similar. For people monitoring blood glucose or insulin response, honey is still a concentrated sugar source and should be factored accordingly.

What is Actually in Honey?

Honey is a concentrated mixture of sugars produced by bees from flower nectar. The composition varies by floral source, geographic region, and processing method, but the typical breakdown of a tablespoon (21 grams) of raw or processed honey is approximately:

  • Total carbohydrates: approximately 17 grams
  • Fructose: approximately 40% of total sugars (roughly 7 grams)
  • Glucose: approximately 30% (roughly 5 grams)
  • Maltose and other disaccharides: approximately 7–10%
  • Water: approximately 17–20%
  • Trace minerals, antioxidants, enzymes, and organic acids: less than 1%

By comparison, a tablespoon of granulated table sugar (sucrose) weighs approximately 12.5 grams and contains approximately 12.5 grams of sugar — nearly equivalent in sugar content by weight to honey on a gram-for-gram basis, though honey is denser. Because honey is heavier per tablespoon than granulated sugar, a single tablespoon of honey delivers more total sugar than a single tablespoon of sugar (approximately 17g vs. 12.5g), even though honey is often perceived as the lighter option.

Honey's Glycemic Index: What the Research Shows

The glycemic index (GI) measures how rapidly a carbohydrate-containing food raises blood glucose compared to pure glucose. Honey has a published GI in the range of 45 to 64, depending on the variety — darker, less processed honeys such as buckwheat honey tend toward the lower end of this range. Table sugar (sucrose) has a GI of approximately 65. The difference is real but modest in practical terms.

The lower GI of honey relative to sucrose is primarily attributable to its higher fructose content. Fructose is metabolized predominantly in the liver rather than directly raising blood glucose, which produces a slower initial blood glucose rise. However, fructose metabolism in the liver has its own metabolic consequences at high intakes: it contributes to hepatic lipogenesis (fat production in the liver) and does not suppress appetite through the usual insulin-mediated mechanisms. This means that fructose's contribution to a lower GI does not necessarily translate to a metabolic advantage at the doses at which honey is typically consumed in the context of a mixed diet.

Does Honey Affect Blood Sugar Differently Than Table Sugar?

In controlled studies, honey produces a measurably lower acute blood glucose response than an equivalent amount of table sugar in most participants. However, the clinical significance of this difference in everyday use is limited by several factors. Portion size matters far more than GI in practice — honey's higher density per tablespoon means that people often use a comparable or greater mass than they would of sugar. The food context in which honey is consumed (in tea, on toast, in baking) further modulates its glycemic impact through the combined effects of fiber, fat, and protein in the meal.

For individuals with insulin resistance, pre-diabetes, or type 2 diabetes, honey remains a concentrated sugar source and should not be treated categorically differently from other sweeteners without guidance from a healthcare provider. The best available evidence suggests that the differences between honey and table sugar in their glycemic effects are small compared to the total sugar and caloric load of either. For individuals who regularly consume honey and want to understand their personal glucose and insulin response, biomarker testing provides a clearer picture than any general table of GI values.

What Honey's Fructose Content Means Metabolically

The relatively high fructose content of honey has implications beyond the glycemic index. Fructose reaches the liver at higher concentrations than glucose because it bypasses the normal intestinal regulation that limits glucose absorption rates. In individuals who consume large amounts of fructose (whether from honey, high-fructose corn syrup, agave, or fruit juice in quantity), hepatic fructose metabolism may contribute to elevated triglycerides, increased uric acid production, and — at chronically high intakes — non-alcoholic fatty liver disease. These effects are dose-dependent and are not relevant at the small amounts of honey used to sweeten tea or coffee but become more clinically meaningful in the context of high overall fructose intake across the diet.

Monitoring triglycerides, fasting glucose, and HbA1c provides a much more individual and actionable picture of how dietary sugar patterns are affecting metabolic health than any food GI comparison can offer.

Raw Honey vs. Processed Honey: Does it Matter Nutritionally?

Raw honey is minimally filtered and is not heat-treated, preserving naturally occurring enzymes, pollen, and antioxidant compounds. Processed or commercial honey is typically filtered and heat-treated to extend shelf life and prevent crystallization, which reduces some of these trace compounds. From a sugar content and glycemic standpoint, the differences between raw and processed honey are small — the sugar composition is largely preserved through processing. The argument for raw honey rests primarily on its higher antioxidant content and the presence of beneficial enzymes, which may have modest anti-inflammatory properties in concentrated research settings. These effects, while real in study conditions, do not change honey's fundamental classification as a concentrated source of sugar.

How to Put Honey's Sugar Content in Context

  • Honey — 1 tablespoon (21g) contains ~17g total sugar with a GI of 45–64
  • Table sugar (sucrose) — 1 tablespoon (12.5g) contains ~12.5g total sugar with a GI of ~65
  • Maple syrup — 1 tablespoon (20g) contains ~14g total sugar with a GI of ~54
  • Agave nectar — 1 tablespoon (21g) contains ~16g total sugar with a GI of ~15–30

Agave nectar's very low GI reflects its extremely high fructose content (up to 85%), which slows blood glucose rise but produces more pronounced hepatic fructose burden than honey. GI alone is a poor metric for comparing sweeteners without considering total sugar content and the fructose-to-glucose ratio together.

Biomarkers for Monitoring Dietary Sugar Impact

If you are interested in how your overall diet — including sweeteners like honey — affects your metabolic health, the most direct approach is measuring the relevant biomarkers rather than relying on general GI tables or nutrition labels.

  • Fasting glucose — Blood sugar regulation at baseline
  • HbA1c — Average blood glucose over 2–3 months
  • Fasting insulin — Early indicator of insulin resistance before glucose rises
  • Triglycerides — Reflects fructose metabolism and carbohydrate intake pattern

Superpower's Baseline Blood Panel includes fasting glucose, HbA1c, insulin, and triglycerides alongside other metabolic markers in a single draw, providing a comprehensive snapshot of how your body is processing dietary carbohydrates.

Frequently Asked Questions

Is honey better for you than sugar?

Honey and table sugar are both concentrated sugar sources with similar total sugar content per serving. Honey has a modestly lower glycemic index and contains trace antioxidants and enzymes not present in refined sugar. In small amounts, these differences are unlikely to be clinically significant. At typical consumption levels, honey and table sugar have comparable effects on blood glucose, insulin, and triglycerides. The health implications of either depend far more on the total amount consumed within the context of the overall diet than on which sweetener is used.

How many calories are in a tablespoon of honey?

One tablespoon of honey contains approximately 60 to 64 calories, almost entirely from carbohydrates. This is slightly higher than a tablespoon of table sugar (approximately 48 calories), reflecting honey's greater mass per tablespoon due to its density.

Can diabetics eat honey?

This is a question best answered by a healthcare provider who can consider your specific glycemic targets, medication, and overall diet. From a biochemical standpoint, honey still raises blood glucose and insulin and contributes to carbohydrate load. Its lower glycemic index relative to sucrose does not make it safe in unrestricted amounts for individuals managing blood glucose. Some research suggests honey may have a marginally more favorable acute glycemic effect than sucrose, but these studies use controlled doses and do not support unrestricted honey consumption in people with diabetes or pre-diabetes.

What type of honey has the lowest glycemic index?

Honey varieties with higher fructose content tend to have lower glycemic indices. Acacia honey is frequently cited as having one of the lowest GIs among common honey varieties (around 35 to 45), followed by buckwheat honey. Varieties with higher glucose content, such as clover honey or crystallized honey, tend toward higher GI values. All honey varieties remain concentrated sugar sources regardless of GI.


This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before making dietary changes if you have conditions affecting blood glucose management. Superpower offers blood panels that include the biomarkers discussed in this article. Links to individual tests are provided for informational context.

Latest