Guava’s edible seeds provide soluble fiber that stabilizes blood sugar. Spikes can affect retinal blood flow. The American Journal of Clinical Nutrition highlights fiber’s role in vascular health. Sarah noticed steadier energy—and sharper morning vision. Curious about the colorful flesh next?
5. Beta-Carotene Boost from Pink Varieties
That vibrant hue comes from beta-carotene, converting to vitamin A in your body. Vitamin A deficiency affects night vision in millions. A World Health Organization report ties it to eye health globally. John savored the sweet-tart flavor, picturing stronger twilight drives. Still, one compound steals the show…
4. Lutein and Zeaxanthin: Nature’s Sunglasses