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Calcium per High Blood Pressure (Hypertension)

C

Small meta-analytic BP reduction (-1.4 mmHg systolic). Overwhelmed by cardiovascular safety concerns from supplement studies. Dietary calcium preferred.

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            C

        

        

            
In sintesi

            
            
Small meta-analytic BP reduction (-1.4 mmHg systolic). Overwhelmed by cardiovascular safety concerns from supplement studies. Dietary calcium preferred.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
13

        
Studi

    

    

        
1500

        
Partecipanti

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        C

        
Grado

    




        


        
        

        
        
        

            

  
Dosage & Usage





            
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units


            
            

                
Dosaggi di uso comune

                

                    
                    

                        
note:

                        
Prefer dietary sources; limit supplements to 500 mg/dose

                    

                    
                    

                        
general:

                        
1,000-1,200 mg/day from diet plus supplements

                    

                    
                

                
                

                    Limite massimo: 2,000-2,500 mg/day (total from diet and supplements)
                

                
            

            

            

            
            

                Momento migliore per l'assunzione: Divide doses (500 mg max per dose); carbonate with meals; citrate any time
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effetti collaterali segnalati

                    
    
                        
                        
  • 
                            ⚠
                            Constipation (especially carbonate form)
                        
    • 
                        
                        
  • 
                            ⚠
                            Potential increased MI risk with high-dose supplements (controversial)
                        
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  • 
                            ⚠
                            Kidney stones at excessive doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Gas, bloating
                        
    • 
                        
                    

                

                

                
                

                    
Interazioni note

                    
    
                        
                        
  • 
                            ●
                            Thyroid medications (separate by 4 hours)
                        
    • 
                        
                        
  • 
                            ●
                            Bisphosphonates (separate by 30-60 minutes)
                        
    • 
                        
                        
  • 
                            ●
                            Iron supplements (reduced absorption — separate by 2 hours)
                        
    • 
                        
                        
  • 
                            ●
                            Certain antibiotics (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Vitamin K2 (may help direct supplemental calcium to bones, not arteries)
                        
    • 
                        
                    

                

                

                
                

                    

                        Livello di assunzione massimo tollerabile: 2,000-2,500 mg/day (total from diet and supplements)
                    

                

                
            

            

                Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Calcium help with High Blood Pressure (Hypertension)?
            
        
        

            Based on 13 studies with 1,500 participants, there is limited but promising evidence that Calcium may support High Blood Pressure (Hypertension) management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Calcium should I take for High Blood Pressure (Hypertension)?
            
        
        

            Studies have used various dosages. A commonly studied range is Prefer dietary sources; limit supplements to 500 mg/dose. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Calcium?
            
        
        

            Reported side effects may include Constipation (especially carbonate form), Potential increased MI risk with high-dose supplements (controversial), Kidney stones at excessive doses, Gas, bloating. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Calcium and High Blood Pressure (Hypertension)?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 13 peer-reviewed studies with 1,500 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

        Avvertenza FDA:
        Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.