Is too much calcium and vitamin D bad? Understanding the dangers of over-supplementation
                                
                                
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                                    4 min read                                
                            
                                According to the National Institutes of Health, exceeding the Tolerable Upper Intake Level for vitamin D can lead to toxicity, with intakes at certain levels being a common cause of symptoms related to too much calcium in the blood. This raises a critical question: is too much calcium and vitamin D bad, and how can you ensure you are staying within a safe range?