Calories in Nopal: Nutritional facts for Nopal Types

A 100g serving of raw nopal contains 16 calories, while a 100g serving of steamed nopal provides 22 calories. A 100g serving of canned nopal contains 15 calories.

One kilogram (1000g) of raw nopal contains 160 calories, whereas one kilogram (1000g) of steamed nopal provides 220 calories. One kilogram (1000g) of canned nopal contains 150 calories.

A single medium raw nopal pad (103g) contains 16 calories. A small raw nopal pad (50g) provides 8 calories. Commercial packaged options vary, as a serving of Doña Maria Nopalitos (30g or 1.1oz) contains 10 calories, while a serving of La Costeña Tender Cactus Nopalitos (30g or 1.1oz) provides 5 calories. A serving of Goya Nopalitos (30g or 1.1oz) has 10 calories.

The nutritional value of nopal is linked to the high concentration of fiber, antioxidants, and bioactive compounds that support various physiological functions. An account of these potential upsides is provided here.

• Regulates Blood Sugar Levels: Nopal consumption is linked to better glycemic control, particularly in individuals with type 2 diabetes. A study by Frati-Munari, A. C., et al. (1988), "Hypoglycemic effect of Opuntia streptacantha Lem. in NIDDM," found that the ingestion of broiled nopal stems significantly reduced serum glucose levels in diabetic patients compared to a control group.
• Lowers Cholesterol: The fiber content in nopal helps reduce low-density lipoprotein (LDL) cholesterol levels. A study by Wolfram, R. M., et al. (2002), "Effect of prickly pear (Opuntia robusta) on glucose- and lipid-metabolism in non-diabetics with hyperlipidemia," demonstrated that daily consumption of the cactus led to a significant decrease in total cholesterol and LDL cholesterol levels.
• Reduces Oxidative Stress: The plant contains betalains and vitamin C, which function as potent antioxidants. A study by Tesoriere, L., et al. (2004), "Supplementation with cactus pear (Opuntia ficus-indica) fruit decreases oxidative stress in healthy humans," confirmed that consumption of the fruit pulp reduced oxidative damage to lipids and improved the antioxidant status of red blood cells.

Nopal contains a comprehensive profile of amino acids, including leucine, valine, and isoleucine. The plant provides 17 amino acids in total, eight of which are essential for human protein synthesis. A study by El-Mostafa, K., et al. (2014), "Nopal cactus (Opuntia ficus-indica) as a source of bioactive compounds for nutrition, health and disease management," confirmed the presence of these protein building blocks, noting that the amino acid content rivals that of other plant-based proteins.

Nopal’s potent chemical composition and high fiber content present specific health risks for certain populations. The table below shows the potential negative effects associated with nopal consumption.

• Risk of Hypoglycemia: Nopal possesses strong hypoglycemic properties, which can cause blood sugar levels to drop too low when combined with diabetes medications. A study by Frati-Munari, A. C., et al. (1989), "Duration of the hypoglycemic action of Opuntia streptacantha Lem.," indicated that the plant's potency can sustain reduced glucose levels for hours, potentially leading to unpredictable interactions with insulin or metformin. A safer alternative for individuals on strict glucose management is cooked green beans, and the daily limit for nopal should not exceed 100g without medical monitoring.
• Digestive Discomfort: The high mucilage and fiber content can cause bloating, gas, and diarrhea in individuals unaccustomed to the vegetable. A review by El-Mostafa, K., et al. (2014), "Nopal cactus (Opuntia ficus-indica) as a source of bioactive compounds for nutrition, health and disease management," noted that excessive consumption often leads to mild diarrhea, increased stool volume, and abdominal fullness. A suggested alternative is cooked zucchini, and consumption should be limited to 150g per day to allow the digestive system to adapt.

Yes, nopals are a highly beneficial food because the nutrient density and bioactive compounds provide systemic support for metabolic, gastric, and cellular health. The gastric system benefits from the mucilage, which protects the stomach lining. A study by Galati, E. M., et al. (2007), "Opuntia ficus indica (L.) Mill. mucilages show cytoprotective effect on gastric mucosa," demonstrated that the plant's mucilage prevents gastric ulcers and protects against ethanol-induced damage. Metabolic health improves through the regulation of glucose and lipids. A study by Godard, M. P., et al. (2010), "Acute blood glucose lowering effects of Opuntia ficus-indica steamed cladodes in the management of type 2 diabetes mellitus," found that consumption of steamed nopal significantly lowered blood glucose levels. The body also gains protection from cellular damage due to high antioxidant activity. A study by Butera, D., et al. (2002), "Antioxidant activities of sicilian prickly pear (Opuntia ficus indica) fruit extracts and reducing properties of its betalains: betanin and indicaxanthin," confirmed the strong free-radical scavenging capacity of the plant's extracts.

The specific part of the cactus determines the caloric density based on the sugar content. Prickly Pear Fruit (Tuna) has the highest calorie value at 41 calories per 100 grams, a consequence of the natural fructose accumulated during ripening. Xoconostle falls in the middle range with 25 calories per 100 grams. Vegetable Nopal (Nopalitos) contains the lowest calorie value at 16 calories per 100 grams, representing the baseline for this plant due to the low carbohydrate content of the green pads. The difference in biological function, specifically energy storage in the fruit versus structure in the pad, is the primary factor that dictates the final calorie count.

The plant originated in the volcanic regions of central Mexico and remains a fundamental symbol of Mexican culture, appearing on the national flag. Ancient Aztec mythology identifies the nopal as the site where the wandering tribes witnessed an eagle devouring a snake, the sign to establish the city of Tenochtitlan. Archaeological evidence suggests that humans in the Tehuacán Valley consumed nopal seeds and pads as early as 9,000 years ago. Spanish explorers exported the plant to Europe, North Africa, and the Mediterranean during the 16th century, where the cactus adapted quickly to arid climates. The vegetable continues to thrive in semi-arid environments worldwide, though Mexico remains the primary center of culinary and cultural significance.