Kiwi

Bio-Activity Analysis
Protein Digestion Efficiency with Actinidin
SCIENTIFIC DATA VISUALIZATION
Health Benefits & Sources
Why You Need It
- Immune System Boost: Packed with Vitamin C, it helps protect cells from damage and supports the production of white blood cells.
- Improved Digestion: Contains a natural enzyme called actinidin which helps break down proteins, reducing bloating and discomfort.
- Better Heart Health: High in potassium and fiber, which work together to maintain healthy blood pressure and cholesterol levels.
- Enhanced Sleep Quality: Contains serotonin, which helps regulate your sleep-wake cycle.
Deep Dive
The kiwi is a nutritional heavyweight. Just one medium fruit provides over 100% of your daily Vitamin C needs, a potent antioxidant that fights inflammation and strengthens your immune defenses. Beyond Vitamin C, kiwis are rich in Vitamin K (essential for bone health and blood clotting) and Vitamin E. The presence of the unique enzyme actinidin makes kiwis particularly effective at digesting proteins, making them an excellent post-meal fruit. Furthermore, kiwis are a great source of dietary fiber, including soluble fiber which helps manage blood sugar levels and supports a healthy gut microbiome.
Natural Food Sources
The best way to get the benefits of kiwi is by eating the whole fruit. The skin is actually edible and contains extra fiber and antioxidants, though many prefer to peel it.
| Food | Serving Size | Vitamin C (% DV) |
|---|---|---|
| Kiwi (Gold) | 1 medium (approx. 76g) | ~150% |
| Kiwi (Green) | 1 medium (approx. 76g) | ~115% |
| Orange | 1 medium | ~100% |
| Strawberries | 1 cup, halves | ~85% |
Supplementation
While whole fruit is superior, you can find kiwi extract in some digestive enzyme complexes or immune support blends. However, eating fresh or frozen kiwi ensures you get the full spectrum of fiber and nutrients without processing. Aim for 1-2 whole kiwis daily to meet your Vitamin C requirements.
Top Food Sources
Frequently Asked Questions
Safety & Side Effects
Kiwi is generally very safe, but there are specific considerations:
- Allergies: Some individuals may be allergic to kiwi, especially those with a latex allergy (cross-reactivity is common). Symptoms can include itching, swelling, or difficulty breathing.
- Blood Thinners: If you take blood-thinning medication (like Warfarin), consult your doctor. Kiwi contains Vitamin K and natural anti-platelet properties that can interact with these medications.
- Kidney Stones: Kiwi contains moderate levels of oxalates. If you are prone to calcium-oxalate kidney stones, consume in moderation.
Scientific References
- [1]Carr, A. C., & Maggini, S. (2017). Vitamin C and Immune Function. Nutrients.
- [2]Bull, M. K., et al. (2004). Actinidin, the protease of kiwifruit, aids digestion. Journal of Nutritional Biochemistry.
- [3]Richardson, D. P., et al. (2021). The nutritional profile of kiwifruit. British Journal of Nutrition.