Kiwifruit

Nutrition per ~140 g · 2–3 kiwis

15.4 g net carbs after fiber.

Vitamins

Minerals & other

Bioactives estimated

Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.

What drives the score weighted inputs

These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 94.

What it feeds primary sources only

Systems

Pathways

Overview

Native to China and later cultivated extensively in New Zealand, kiwifruit has become recognized as a nutritional powerhouse for longevity-focused diets. A single medium kiwi delivers 74.7 mg of vitamin C (>80% daily value) alongside substantial amounts of dietary fiber (3g per 100g), potassium (198 mg), and vitamin K. Unique to kiwifruit is actinidin, a proteolytic enzyme that enhances protein digestion and may reduce post-meal bloating. The fruit's polyphenol content, particularly in the skin, provides antioxidant and anti-inflammatory benefits linked to cardiovascular health and cellular protection. The high fiber-to-calorie ratio makes kiwi an excellent choice for weight management and metabolic health. Research indicates regular kiwi consumption supports digestive regularity, immune function, and blood pressure regulation—all critical factors in healthy aging and longevity optimization.

Health benefits 5

Pairs with

• Pair with yogurt because actinidin enhances protein digestion while probiotics synergize with kiwi's fiber for optimal gut health
• Combine with spinach or kale because vitamin C in kiwi increases non-heme iron absorption from leafy greens by 3-4 fold
• Mix with nuts (almonds, walnuts) because healthy fats enhance absorption of fat-soluble antioxidants and polyphenols in kiwi skin
• Pair with honey or seeds in overnight oats because fiber combination supports sustained satiety and stable blood glucose

In the kitchen

• Eat kiwi with the skin on when possible—the skin contains 3x more polyphenols and fiber than flesh alone; rinse thoroughly before consuming
• Select kiwis with slight yield to gentle pressure; store at room temperature for ripening (2-3 days) then refrigerate to extend shelf life up to 2 weeks
• Consume kiwi 1-2 hours before or 30+ minutes after high-protein meals to maximize actinidin's proteolytic effect without interfering with gastric acidity
• For optimal sleep benefits, consume 1-2 kiwis 1-2 hours before bedtime rather than with meals
• Freeze kiwi slices for smoothie bowls—freezing preserves vitamin C and actinidin while increasing antioxidant stability

When to eat it anytime

Kiwi is metabolically flexible; morning consumption leverages vitamin C for immune priming and daytime energy, while evening (1-2 hours before bed) optimizes serotonin and sleep support. Post-workout timing captures protein digestion benefits from actinidin.

Fasting-compatible

Kiwi's low glycemic load (14.0g carbs, 3.0g fiber = 11g net carbs) makes it suitable for fasting windows; the enzyme and antioxidants support metabolic clarity. Ideal 1-2 hours post-workout for protein synergy.