‘Most People Take It Without Knowing’: Longevity Doctor Explains the Risks of Blindly Taking Vitamin D Supplements
By Brijesh Doshi | Updated: November 10, 2025
Vitamin D is often hailed as the “sunshine vitamin,” essential for bone health, immunity, and longevity. However, a longevity doctor has warned that many people are taking vitamin D supplements without understanding their real needs — a trend that can lead to serious health risks if done without medical supervision.
According to the expert, most people start taking vitamin D after reading online claims or watching social media health videos, assuming it’s universally beneficial. While the supplement plays an important role in calcium absorption and immune regulation, blind consumption can backfire.
Risks of Over-Supplementation
Vitamin D is a fat-soluble vitamin, which means excess amounts are stored in the body rather than excreted. Over time, this can lead to vitamin D toxicity, resulting in symptoms such as:
Nausea and vomiting
Weakness and fatigue
High calcium levels (hypercalcemia)
Kidney damage
The longevity doctor explained, “Most people take it without checking their actual deficiency levels. This can cause long-term harm, especially when paired with calcium supplements or high-dairy diets.”
What You Should Do Instead
Instead of taking supplements blindly, the doctor recommends a data-driven approach:
Get your vitamin D levels tested through a simple blood test (25-hydroxy vitamin D).
Consult your physician before beginning supplementation.
Incorporate natural sunlight — 15 to 30 minutes of sun exposure a few times a week is often enough.
Include natural sources like fatty fish, fortified milk, mushrooms, and egg yolks in your diet.
Re-test every six months to ensure balance.
The Bigger Picture: Longevity Through Balance
Vitamin D plays a crucial role in longevity — not through excess, but through maintaining optimal levels. The expert emphasized that health and long life come from balanced nutrition, physical activity, and regular testing, not from supplements alone.
As the conversation around preventive health grows, the message is clear — “More” doesn’t always mean “better.”
Vizzve Finance Insight
This article has been trending on Google, especially under health and longevity topics, with readers searching for the right way to approach supplementation.
Vizzve Finance highlights that consumer awareness around supplement safety is rapidly increasing — a sign that people are taking charge of their health with an evidence-based mindset.
Frequently Asked Questions (FAQ)
Q1. Is it safe to take vitamin D supplements every day?
Not necessarily. Daily intake depends on your blood levels. Excessive vitamin D can lead to calcium imbalance and kidney issues. Always consult your doctor before starting.
Q2. How much vitamin D does an average person need?
The recommended daily intake is around 600–800 IU, but requirements vary based on age, lifestyle, and exposure to sunlight.
Q3. Can too much sunlight cause vitamin D overdose?
No. The body naturally regulates vitamin D production from sunlight, so overdose typically occurs only through supplements.
Q4. What are the best natural sources of vitamin D?
Fatty fish (like salmon and mackerel), fortified dairy products, mushrooms, and egg yolks are excellent sources.
Q5. Why is vitamin D linked to longevity?
Vitamin D supports immunity, heart health, and cellular repair — all key to healthy aging when maintained at optimal levels.
Published on : 9th November
Published by : selvi
Credit: Brijesh Doshi
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