
Can Sunlight Protect Your Kidneys From Sugar Damage?
Physionic
Oct 6, 2025
Mindsip insights from this episode:
Reconsider regular vitamin D3 supplements for kidney health
Studies using regular, over-the-counter vitamin D3 supplements tend to find mild to no benefit for improving kidney health.
Raise blood vitamin D level to 30 ng/mL to reduce kidney inflammation
You should aim to raise your blood vitamin D level to at least 30 nanograms per milliliter to help reduce the risk of kidney inflammation.
Avoid NSAID abuse to protect kidney health
Abusing certain over-the-counter pain relief medications like NSAIDs (e.g., ibuprofen) is toxic to your kidneys.
Preserve kidney function by controlling blood sugar and blood pressure
Your best bet for preserving kidney function is to control blood sugar, maintain normal blood pressure, and avoid over-consuming kidney-toxic substances.
Reduce blood sugar to protect kidney cells
High blood sugar causes immune cells to release a molecule called TNF alpha, which kills critical kidney filtering cells known as podocytes.
Utilize prescribed activated vitamin D for chronic kidney disease benefits
Only a prescribed, 'activated' form of vitamin D shows potential benefits, and this is primarily for people already diagnosed with chronic kidney disease.
Address vitamin D deficiency to reduce inflammation
Immune cells from people with low vitamin D secrete more of the harmful TNF alpha molecule when exposed to high glucose.
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