Olive oil is widely recognised as a source of healthy unsaturated fats, but a new wave of online health advice suggests that drinking a spoonful before meals may help prevent blood sugar spikes. Research involving mice has brought attention to this idea, although the evidence is not strong enough to recommend olive oil shots as a treatment for diabetes.
What Did the Study Find?
In the experiment, researchers gave mice olive oil about 15 minutes before they received glucose. They then compared their blood sugar responses with those of mice given water beforehand or olive oil afterward.
The mice that received oil before glucose showed a smaller initial rise in blood sugar. Similar effects were observed with other fats, suggesting that the response may not be unique to olive oil.
One possible explanation is that fat slows the rate at which the stomach empties. As a result, glucose may enter the small intestine and bloodstream more gradually, delaying the rise in blood sugar rather than preventing the body from absorbing the carbohydrates.
Does Olive Oil Work the Same Way in Humans?
Evidence in humans remains limited. A small study involving six men with type 2 diabetes also found that consuming olive oil before a potato meal delayed stomach emptying and the peak in blood glucose.
However, these findings do not establish that taking olive oil before every meal improves long-term blood sugar control. A lower early reading does not necessarily mean that overall glucose exposure has decreased.
More research involving larger groups of people is needed before this practice can be recommended for managing diabetes.
Is Drinking Olive Oil Before Meals a Good Idea?
Olive oil contains predominantly monounsaturated fats and can be part of a balanced eating pattern. Replacing some saturated fats, such as butter, with unsaturated fats may also support healthier cholesterol levels.
However, olive oil is energy-dense. One tablespoon contains approximately 120 calories, so drinking it on top of regular meals adds extra energy without guaranteeing better blood sugar control or weight management.
Its benefits depend on the overall diet and how it is used. Adding olive oil to vegetables, salads or other meals is different from consuming extra oil as a separate daily shot.
What Is a Better Approach to Blood Sugar Management?
Rather than relying on a single food or online trend, focus on balanced meals that include vegetables, fibre-rich foods, suitable protein sources and appropriate portions of carbohydrates.
Regular physical activity and following prescribed diabetes treatment are also important. Anyone managing diabetes should speak with a qualified healthcare professional before making dietary changes intended to control glucose levels.
