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Calcium pour 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

        

        

            
En conclusion

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

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
13

        
Études

    

    

        
1500

        
Participants

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        C

        
Note

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Posologies couramment utilisées

                

                    
                    

                        
note:

                        
Prefer dietary sources; limit supplements to 500 mg/dose

                    

                    
                    

                        
general:

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

                    

                    
                

                
                

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

                
            

            

            

            
            

                Moment optimal de prise : Divide doses (500 mg max per dose); carbonate with meals; citrate any time
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effets indésirables signalés

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

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

                

                

                
                

                    

                        Apport maximal tolérable : 2,000-2,500 mg/day (total from diet and supplements)
                    

                

                
            

            

                Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.
            

        

        

        
        
        

            

  
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





            

                
                
                

                
            

        

        

    


    
    












    

        Avertissement FDA:
        Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.