PoshanSenseAre dates low GI? Yes in a small study, but portions still matter
A UAE experiment found relatively low glycaemic indices for five date varieties. Low GI does not mean sugar-free, unlimited portions or diabetes treatment.
Research explained · Published 2011
Dates sit in an awkward corner of food advice: sweet enough to be called “basically sugar”, yet natural enough to be marketed as a guilt-free substitute. Neither description answers the practical question of what they contribute to a meal.
What low GI actually tells you
Glycaemic index compares the glucose response to a fixed amount of available carbohydrate in a food with a glucose reference. It is about the response under that test condition, not the absence of carbohydrate.
In a UAE experiment, five date varieties had average GI values around 46–55 in healthy participants and around 43–53 in the small diabetes group. This supports a relatively low average GI for those tested varieties. It does not mean participants had no rise in glucose.
The test portion was chosen for research
The researchers needed fifty grams of available carbohydrate for each food test. Depending on the variety, that required approximately 73–76 grams of dates. This was a standardized comparison, not an instruction to eat that quantity.
Counting “two dates” is also less precise than it sounds. Fruits differ considerably in size. A larger date and a smaller date do not necessarily contribute the same carbohydrate amount. The meal around them matters too.
For someone managing blood glucose, amount and individual response remain relevant alongside GI. The study does not provide a universal personal serving, and medication or a clinician's nutrition plan should not be changed because a fruit carries a low-GI label.
Low GI does not remove the portion question
GI
Response to a fixed carbohydrate amount compared with glucose.
Dates
Five tested varieties averaged roughly forty-six to fifty-five in healthy adults.
Amount
A larger portion still supplies more carbohydrate.
Personal context
A small acute experiment cannot prescribe a diabetes serving.
A useful result with a narrow reach
The diabetes participants were well controlled and used diet or metformin. People with substantially different glucose control or other treatment patterns were not represented. There were only ten people in that group.
Foods were tested in a fixed sequence rather than a randomized order. The experiment followed glucose for hours, not months. It cannot establish whether adding dates to an existing diet changes HbA1c, weight or complications.
The small sample also leaves uncertainty around each average. Two people can respond differently even when a food has one published GI number. A food table should help understanding, not overrule personal clinical information.
Whole dates and date sweeteners are different uses
Eating a date as a snack is different from adding date paste to a dessert while leaving the rest of the recipe unchanged. A natural ingredient can still increase the carbohydrate and energy in what you eat.
The lead experiment tested particular whole date varieties. It did not test every syrup, powder, energy ball or “no refined sugar” product. Do not transfer its GI values automatically to a packaged recipe.
Ask the substitution question
Are dates replacing another snack, or being added on top of it? Are they a small component of a meal, or a large bowl eaten repeatedly? Those ordinary details can matter more to your intake than the headline “low GI”.
Our broader dried-fruit explainer asks a different question: what happens when dried fruit replaces a comparison snack in a longer experiment? The present article focuses on how to interpret dates' acute GI values. Neither makes dates a treatment.
The answer worth keeping
Dates can belong in an eating pattern without being either forbidden or unlimited. The UAE study challenges the idea that every sweet fruit behaves like an equal-carbohydrate glucose drink, while also leaving the portion and long-term questions open.
Keep the enjoyable food, the actual amount and the wider meal together. That is more useful than assigning dates a magical exemption from carbohydrate—or condemning them solely because they taste sweet.
Evidence context: funded by the Abu Dhabi Food Control Authority; a date factory supplied dates in kind. Authors declared no competing interests. Educational information; not clinically reviewed.
Sources & further reading
Study years differ from this article’s publication date. We reviewed full primary papers and relevant supporting material; access limitations are kept out of efficacy claims. Original illustrations and diagrams; no publisher figures reproduced. Educational writing, not clinical review.
Published 11 October 2026 · Sources checked 11 October 2026. Suggest a correction.