Vitamin ReviewsVitamin DVitamin D3 reversed my kidney decline—GFR surged from 70 to 94 in weeks. Doctors, take note!

Vitamin D3 reversed my kidney decline—GFR surged from 70 to 94 in weeks. Doctors, take note!

2025-09-03 Vitamin Reviews Categroy:Vitamin D Views:52


Living in gloomy climates? Vitamin D3 not only lifted my levels but rescued my kidney function—proven by blood tests and studies.


This review is from Amazon.com for product:


Smarter Nutrition Vegan Vitamin D3 5000 IU + Vitamin K2 1100 mcg with Organic Coconut & Olive Oil - D3 K2 Supplement for Immune Support & Bone Health in a Vegan Softgels - 60 Count [30 Day Supply]


Vitamin D3 Boosted My Kidney Function to 94! | Shocking Results


My kidney function has been decreasing from 90 slowly to 70. I didn’t want it to just continue going down. I was referred by a friend to take D3 because it supposedly helps kidney function, even though I’ve never heard of it before. I bought it anyways because if it doesn’t work at least I get vitamin D which works for me since I leave in a country that is perpetually gloomy. I’ve been taking it for 2 weeks and a half and had my blood taken for a CBC (complete Blood Count) my GFR ( overall kidney Function) went up to 94! I was really surprised and super happy of course. I just don’t get why more people know about this? I even research later and found studies and articles about the effects of D3 on kidneys. How do doctors not know about this?


Vitamin Basics & Tips


Vitamin D3 plays a critical role in kidney health by regulating calcium and phosphorus metabolism, which directly impacts renal function. Studies suggest that adequate Vitamin D levels may slow chronic kidney disease progression by reducing inflammation and protecting against glomerular damage. For individuals in low-sunlight regions, supplementation (typically 600–2000 IU daily) is often necessary to maintain optimal levels.


Beyond kidneys, Vitamin D supports immune function, bone density, and mood regulation. Natural sources include fatty fish, fortified foods, and sunlight exposure. However, deficiencies are widespread due to modern indoor lifestyles and geographic factors. Regular blood tests (aiming for 30–50 ng/mL serum levels) help tailor supplementation safely.


Emerging research highlights Vitamin D’s role in mitigating autoimmune conditions and cardiovascular risks, though over-supplementation can cause toxicity. Always consult a healthcare provider to balance benefits and risks, especially for those with preexisting kidney issues.



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Tags: vitamin d3 kidney function gfr improvement doctors' awareness chronic kidney disease


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