Know2eat

Nopales

Opuntia ficus-indica

What nopales has been studied for

2 associations assessed — 2 with at least some human evidence behind them. Strongest first.

  • 1 Moderate
  • 1 Limited
3 things to know first — allergies, interactions and intake limits

About nopales

The young flattened stem segments of the prickly pear cactus, de-spined and cooked as a vegetable across Mexico. They are tart and slightly mucilaginous, somewhere between green bean and okra.

Also known as Cactus pads, Nopal, Prickly pear pads, Nopalitos

Blood Sugar & Metabolic HealthHeart Health

The evidence in depth

Best supported: Moderate

What each association actually rests on, and the papers behind it. A rating describes the state of the research, not how impressive the food is. How we rate evidence.

Blood glucose response

Blood Sugar & Metabolic Health
Moderate evidence

Trials in people with type 2 diabetes report meaningfully lower post-meal glucose when nopal is eaten with a meal, and this is one of the better-studied single vegetables for that outcome. Most trials are small, short and conducted in Mexico, and effects on longer-term markers such as HbA1c are much less consistent.

What may be going on: The viscous soluble fibre slows gastric emptying and glucose absorption; effects on incretin response have also been reported.

Moderate evidence. Several human studies point the same way, with real caveats.

1 source

Deep research mode adds each paper’s own conclusion and stated limitations.

Blood lipid profile

Heart Health
Limited evidence

Some trials report modest reductions in total and LDL cholesterol with nopal, consistent with what viscous soluble fibre generally does. The trials are small, results vary, and the effect sizes are not large.

Limited evidence. Early human work, or mostly lab and animal research.

4 sources

Deep research mode adds each paper’s own conclusion and stated limitations.

Ask about Nopales

Ask about Nopales

Answers are written only from the entries on this page — the same nutrients, compounds, claims and citations you can read above. Nothing is added from outside the database, and every answer lists what it was built from.

AI explanations are not switched on for this site, so there is nothing to ask here. Everything above is read straight from the database and does not need them.

Key nutrients

Nutrient content per 100 grams
NutrientAmount% DV
Macronutrients
Calories16 kcal1%
Protein1.32 g3%
Total fat0.09 g0%
Carbohydrate3.33 g1%
Fibre2.2 g8%
Total sugars1.15 g—
Water94.1 g—
Fats
Saturated fat0.016 g0%
Monounsaturated fat0.018 g—
Polyunsaturated fat0.05 g—
Cholesterol0 mg0%
EPA (omega-3)0 g—
DHA (omega-3)0 g—
DPA (omega-3)0 g—
Linoleic acid (omega-6)0.044 g—
Vitamins
Vitamin A23 µg3%
Vitamin C9.3 mg10%
Vitamin D0 µg0%
Vitamin E0 mg0%
Vitamin K5.3 µg4%
Thiamin (B1)0.012 mg1%
Riboflavin (B2)0.041 mg3%
Niacin (B3)0.41 mg3%
Pantothenic acid (B5)0.167 mg3%
Vitamin B60.07 mg4%
Folate3 µg1%
Vitamin B120 µg0%
Choline7.3 mg1%
Minerals
Calcium164 mg13%
Iron0.59 mg3%
Magnesium52 mg12%
Phosphorus16 mg1%
Potassium257 mg5%
Sodium21 mg1%
Zinc0.25 mg2%
Copper0.052 mg6%
Manganese0.457 mg20%
Selenium0.7 µg1%
Other measured compounds
Beta-carotene250 µg—
Alpha-carotene48 µg—
Lycopene0 µg—
Lutein + zeaxanthin0 µg—
Caffeine0 mg—
Ash1.14 g—

Nutrient values are per 100 g of the USDA reference entry named on this page and vary with variety, growing conditions, storage and preparation.

Source record: Nopales, raw (USDA FoodData Central, FDC ID 168571).

% DV uses the FDA Daily Values for adults and children aged 4 and over. A dash means no Daily Value has been established for that nutrient.

Bioactive compounds

Compounds present in meaningful amounts. Presence is banded rather than quantified, because whole-food levels vary enormously with variety, growing conditions, storage and preparation.

How preparation changes things

Only effects with real support are listed. If a preparation method is missing, it is because nothing dependable is documented — not because it makes no difference.

  • boiledReduces mucilage and soluble oxalate

    Boiling and rinsing removes much of the slippery mucilage, which is the usual reason cooks do it. That will also reduce the viscous fibre thought to be responsible for the effect on glucose.

Things to know

Allergies, interactions and intake concerns. Every food gets this section — a reference where everything is uniformly good is not a reference.

  • Interaction

    Additive effect with glucose-lowering medication

    Nopal lowers post-meal glucose reliably enough that combining large amounts with insulin or a sulfonylurea could push blood sugar too low. This is a reason to monitor and to tell your prescriber, not a reason to avoid the vegetable.

  • Too much

    Diarrhoea, bloating and nausea

    Trials of prickly pear preparations consistently report gastrointestinal side effects at higher doses — loose stools, increased stool volume, bloating and nausea. The mucilage that produces the metabolic effect is the same thing producing these.

  • Worth knowing

    Glochids

    Beyond the obvious spines, cactus pads carry glochids, tiny barbed hairs that lodge painfully in skin and are difficult to remove. Pads must be properly cleaned before cooking.