Nectarine Glycemic Index: Nutritional Facts

The glycemic index of nectarines is estimated to be around 43.¹ Considering a serving size of 100 grams, nectarines typically contain approximately 8.9 grams of carbohydrates. By applying the formula for Glycemic Load (GL), which is the product of the glycemic index and the amount of available carbohydrate in a given serving, the GL per serving of nectarines can be calculated as 3.8.

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The glycemic index of a food reflects its impact on blood sugar levels. Foods with a high glycemic index cause a rapid spike in blood sugar, while those with a low glycemic index result in a slower and more gradual rise. Cooking methods can affect the glycemic index of foods, potentially altering their digestibility and, consequently, their impact on blood sugar. Boiling, for example, can decrease the glycemic index of some foods by softening their structure, thus slowing down the rate of digestion.

Nectarines are a rich source of essential vitamins and minerals, making them a valuable addition to a healthy diet. With a 100-gram serving providing approximately 44 calories, they offer moderate dietary fiber, vitamins A and C, and beneficial compounds like beta-carotene and potassium.² These nutrients contribute to improved immune function, healthy skin, and overall well-being. 

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The nutritional information below is for 100 g of nectarine.²

Nectarines can be a valuable addition to a weight loss diet due to their low-calorie content and high fiber composition. With approximately 44 calories per 100-gram serving and a notable amount of dietary fiber, nectarines can promote a feeling of fullness, potentially reducing overall calorie intake.² 

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Their natural sweetness can also satisfy cravings for sugary snacks, providing a healthier alternative to high-calorie desserts. Incorporating nectarines into a well-balanced, calorie-controlled diet, alongside regular physical activity, may support weight loss efforts.

Nectarines can be a safe and beneficial fruit choice for individuals with diabetes when consumed in moderation as part of a well-balanced diet. With a relatively low glycemic index, nectarines have a minimal impact on blood sugar levels compared to higher-sugar fruits, making them a suitable option for those managing their blood glucose. 

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Additionally, their rich fiber content can aid in slowing the absorption of sugars and promote satiety, which may help control blood sugar levels. However, individuals living with diabetes need to monitor their carbohydrate intake from all sources, including nectarines, as part of an overall meal plan tailored to their individual needs.

Allergies to nectarines can occur in individuals with sensitivities to certain proteins found in the fruit, particularly those with existing allergies to related fruits such as peaches, plums, and cherries. 

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Symptoms can range from oral allergy syndrome, which typically involves itching or swelling of the lips, mouth, and throat, to more severe reactions such as hives, digestive issues, or even anaphylaxis in rare cases.³ 

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It is crucial for individuals with known sensitivities to these fruits to exercise caution and consult with a healthcare professional if they experience adverse reactions.