Olives are small fruits that grow on olive trees .

They belong to a group of fruit called drupes, or stone fruits, and are related to mangoes, cherries, peaches, almonds, and pistachios.

Olives are very high in vitamin E and other powerful antioxidants. Studies show that they are good for the heart and may protect against osteoporosis and cancer.

The healthy fats in olives are extracted to produce olive oil, one of the key components of the incredibly healthy Mediterranean diet.

Olives are often enjoyed in salads, sandwiches, and tapenades. The average olive weighs about 3–5 grams .

Some immature olives are green and turn black when they ripen. Others remain green even when fully ripe.

In the Mediterranean region, 90% of olives are used to make olive oil .

This article tells you everything you need to know about olives.

Nutrition facts
Olives contain 115–145 calories per 3.5 ounces (100 grams), or about 59 calories for 10 olives.

The nutrition facts for 3.5 ounces (100 grams) of ripe, canned olives are :
Calories: 115
Water: 80%
Protein: 0.8 grams
Carbs: 6.3 grams
Sugar: 0 grams
Fiber: 3.2 grams
Fat: 10.7 grams
Saturated: 1.42 grams
Monounsaturated: 7.89 grams
Polyunsaturated: 0.91 grams