How much D3 should I take per day for optimal health?
                                
                                
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                                    3 min read                                
                            
                                According to the National Institutes of Health, vitamin D levels below 30 nmol/L are too low and can weaken bones. Knowing exactly how much D3 should I take per day is crucial for maintaining proper levels, especially considering that individual needs vary based on age, lifestyle, and other factors.