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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics

Diet

Side Effects of Taking Excess Vitamin D

Vitamin D, often hailed as the "sunshine vitamin," plays a crucial role in supporting your bone health, immune system, and overall well-being. While maintaining adequate vitamin D levels is important, it's also essential to be aware that excess intake can lead to potential side effects.  

Introduction

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Consuming too much vitamin D can lead to excessive calcium buildup in the blood, causing nausea, vomiting, and even kidney problems.  

1. Hypercalcemia 

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Excess vitamin D can lead to gastrointestinal discomfort, including symptoms like stomach pain, constipation, and diarrhea. 

2. Digestive Issues   

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Surprisingly, too much vitamin D can negatively impact bone health, leading to bone pain and weakness. 

3. Bone Pain  

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Elevated levels of vitamin D can strain the kidneys and potentially result in kidney stones or impaired kidney function. 

4. Kidney Problems   

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Excessive vitamin D can cause excessive thirst and frequent urination, as your body attempts to rid itself of the excess calcium. 

5. Increased Thirst and Urination   

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Paradoxically, too much vitamin D can lead to muscle weakness, rather than strength, due to imbalances in calcium levels. 

6.  Muscle Weakness   

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Some studies suggest a link between excessive vitamin D intake and an increased risk of cardiovascular issues. 

7. Cardiovascular Issues 

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Overconsumption of vitamin D can cause nausea, vomiting, and a general feeling of discomfort. 

8. Nausea and Vomiting   

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Excess vitamin D may result in loss of appetite, adding to the array of digestive disturbances. 

9. Poor Appetite    

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There's emerging research indicating that excessively high levels of vitamin D could potentially impact cognitive function. 

10. Cognitive Issues  

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While vitamin D is vital for your health, maintaining a balance is key. Too much of a good thing can lead to unwanted side effects, ranging from digestive distress to potential issues with bones, kidneys, and more. It's crucial to consult with a healthcare professional to determine your optimal vitamin D intake, especially if you're considering supplements.  

Conclusion

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