About this episode

The episode discusses the importance of vitamin D3 for eye health and provides guidance on testing and intake.

We explain why vitamin D3 matters for eye health, where research points across dry eye, glaucoma, macular degeneration, diabetic retinopathy, and cataracts, and how to make smart, test-guided choices. We share target intake ranges, personal practices, and a simple plan: don’t guess, test. • vitamin D3 as a hormone shaping inflammation, immunity and oxidative stress • widespread deficiency due to limited sun, diet and indoor life • target serum 25(OH)D levels and common intake ranges for seni...

More episodes of Natural Eye Care with Dr. Marc Grossman, Holistic Optometrist

• The MIND Diet For Eye Health · April 16, 2026 · 7 min
• Nutrition That Protects Vision And Memory · April 2, 2026 · 9 min
• Natural Ways To Help Prevent And Manage Cataracts · March 5, 2026 · 8 min
• How Hyaluronic Acid Protects Your Vision And Eases Dry Eye · February 20, 2026 · 6 min
• The Eye’s Master Antioxidant: How Glutathione Protects Sight And Slows Aging · February 6, 2026 · 6 min
• Why I Take Resveratrol And Ubiquinol Every Day For Eye And Heart Health · January 22, 2026 · 6 min

Explore listener stats, chart rankings, contacts and more on the Natural Eye Care with Dr. Marc Grossman, Holistic Optometrist podcast page.