Winged Bean Leave

Nutrition · per ~85 g serving · ≈ ¾ cup chopped

Score · 84/100

Overview

Winged bean (Psophocarpus tetragonolobus) leaves are a traditional vegetable in Southeast Asian and African cuisines, prized for their mild flavor and impressive mineral density. Native to tropical regions, this legume's leafy greens provide dual nutritional benefits: they deliver substantial plant-based iron (4.0 mg/100g) along with bioavailable calcium (224 mg/100g), making them particularly valuable for plant-based diets and bone health. The leaves contain approximately 5.85g of protein per 100g, supporting muscle maintenance and satiety. Rich in vitamin A (405 IU) and vitamin C (45 mg), winged bean leaves support antioxidant defenses and collagen synthesis. Their low caloric density (74 kcal/100g) combined with mineral richness makes them suitable for calorie-controlled longevity-focused eating patterns. The presence of niacin (3.47 mg) contributes to energy metabolism and cardiovascular health. While fiber content data appears understated in standard databases, culinary fiber from whole leaf consumption is substantial. In traditional medicine systems, winged bean leaves have been used for blood-building and metabolic support, though scientific validation remains emerging. Best consumed fresh or lightly cooked to preserve heat-sensitive micronutrients.

Health Benefits (5)

• Iron bioavailability and blood health support

  strong
  Winged bean leaves provide 4.0 mg of iron per 100g. When paired with vitamin C sources, plant-based iron absorption increases significantly, supporting hemoglobin synthesis and oxygen transport capacity.
• Bone mineral density support

  strong
  High calcium content (224 mg/100g) combined with magnesium (8 mg) and phosphorus (63 mg) provides mineral cofactors for bone formation and mineralization, essential for skeletal resilience with aging.
• Antioxidant defense and cellular protection

  moderate
  Vitamin C (45 mg) and vitamin A (405 IU) function as free-radical scavengers, reducing oxidative stress implicated in aging and chronic disease progression.
• Vascular and metabolic health

  moderate
  Niacin (3.47 mg) supports lipid metabolism and endothelial function, while potassium (176 mg) aids blood pressure regulation through natriuretic and vasodilatory mechanisms.
• Muscle maintenance and protein sufficiency

  moderate
  At 5.85g protein per 100g, winged bean leaves provide amino acid diversity for muscle protein synthesis, particularly valuable as protein concentration in leaves exceeds most green vegetables.

Food Pairings

• ·Pair with citrus (lemon, lime) or tomato-based dishes to enhance iron absorption through vitamin C, increasing non-heme iron bioavailability 3-4 fold.
• ·Combine with healthy fats (olive oil, coconut oil, seeds) to improve fat-soluble vitamin A absorption and support carotenoid bioavailability.
• ·Serve alongside vitamin B12 sources (if plant-based: fortified foods, nutritional yeast) to create complementary amino acid and micronutrient profiles.
• ·Mix with garlic and ginger to add antimicrobial compounds and enhance digestive efficiency while reducing phytate-related mineral binding.
• ·Pair with sesame or pumpkin seeds to add complementary minerals (zinc, copper) and boost mineral co-absorption through food matrix effects.

Practical Tips

• ·Select young, tender leaves with vibrant green coloring; older leaves may develop a slightly bitter taste. Store in a breathable bag in the refrigerator crisper for 3-5 days.
• ·Lightly steam or stir-fry winged bean leaves (1-2 minutes) to preserve heat-sensitive vitamin C while enhancing calcium and iron bioavailability compared to raw consumption.
• ·Blanch briefly before freezing to preserve color and nutritional content for longer storage (up to 3 months) without nutrient degradation.
• ·Consume with a vitamin C source in the same meal to maximize iron absorption; vitamin C increases non-heme iron absorption by 3-4 times compared to isolated consumption.
• ·If consuming regularly, balance calcium intake from other sources to maintain appropriate calcium-to-phosphorus ratios for optimal bone metabolism.

Optimal Timing

Midday consumption allows iron and calcium to be absorbed and utilized throughout the afternoon and early evening, supporting sustained energy and metabolic processes. Pairing with a mixed meal containing vitamin C enhances mineral bioavailability.

While suitable for any meal, consuming with other whole foods enhances mineral absorption. Post-workout timing is acceptable if combined with carbohydrates and protein for muscle recovery.