Calcium para High Blood Pressure (Hypertension)

C Evidências Evidência limitada de estudos de pequena dimensão, mas existem alguns sinais positivos.

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

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Conclusão

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

Key Study Findings

Meta-Analysis

Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis.

Dose: None vs: Standard care or placebo Outcome: Global cognition in stroke survivors Efeito: SMD=0.62 (energy-protein); SMD=-0.40 (B-vitamins) 0.009 (protein); 0.02 (B-vit)

População: Adult stroke survivors (20 trials + 14 observational)

Review

Dietary supplements and prevention of preeclampsia.

Dose: 500 mg daily vs: Placebo Outcome: Preeclampsia risk reduction Efeito: ~50% risk reduction None

População: Pregnant women with low calcium intake

Review

Novel pharmacologic approaches in resistant hypertension.

Dose: Spironolactone, sacubitril/valsartan, SGLT2i vs: None Outcome: Blood pressure control in resistant HTN Efeito: None None

População: Patients with resistant hypertension

Review

Vegan Diet Health Benefits in Metabolic Syndrome.

Dose: None vs: None Outcome: None Efeito: None None

População: Adults with metabolic syndrome

cross-sectional observational study n=260

Restless leg syndrome in chronic hemodialysis patients in Mashhad hemodialysis centers.

Dose: None vs: Placebo Efeito: None None

Observational Study n=40

Efficacy and effectiveness of anti-digoxin antibodies in chronic digoxin poisonings from the DORA study (ATOM-1).

Dose: anti-digoxin antibodies (Fab) vs: pre-treatment Outcome: serum digoxin and clinical outcomes Efeito: Fab bound digoxin; no improved clinical outcomes None

População: Chronic digoxin toxicity patients

Key Statistics

Estudos

1500

Participantes

↔

Mixed

Nota

Referenced Papers

Dietary supplements and prevention of preeclampsia. Review

Hypertension research : … 2025 10 citações

Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis. Meta-Analysis

Advances in nutrition … 2025 1 citações

Novel pharmacologic approaches in resistant hypertension. Review

Wiadomosci lekarskie (Warsaw, … 2024

Vegan Diet Health Benefits in Metabolic Syndrome. Review

Nutrients 2021 113 citações

Restless leg syndrome in chronic hemodialysis patients in Mashhad hemodialysis centers. Other

Journal of renal … 2017 26 citações

Efficacy and effectiveness of anti-digoxin antibodies in chronic digoxin poisonings from the DORA study (ATOM-1). Observational

Clinical toxicology (Philadelphia, … 2016 25 citações

Emerging concepts for patients with treatment-resistant hypertension. Review

Trends in cardiovascular … 2016 19 citações

Restless leg syndrome: a neglected diagnosis. Review

Nephro-urology monthly 2014 43 citações

[Clinical characteristics and combined use of medicine analysis of 2 991 hospitalized patients with psoriasis based on real world database]. Other

Zhongguo Zhong yao … 2014 4 citações

Vitamin D in health and disease: a literature review. Review

British journal of … 2013 156 citações

Vitamin D and autoimmune disease. Review

Acta medica Indonesiana 2007 4 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

note:: Prefer dietary sources; limit supplements to 500 mg/dose
general:: 1,000-1,200 mg/day from diet plus supplements

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

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	N
None	--	Mixed	--
500 mg daily	--	Positive	--
Spironolactone, sacubitril/valsartan, SGLT2i	--	Positive	--
None	--	Mixed	--
None	--	Neutral	260
anti-digoxin antibodies (Fab)	--	Neutral	40
None	--	Mixed	--
None	--	Neutral	2991

Melhor horário: Divide doses (500 mg max per dose); carbonate with meals; citrate any time

Safety & Side Effects

Efeitos Colaterais Relatados

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

Interações Conhecidas

● 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)

Ingestão máxima tolerável: 2,000-2,500 mg/day (total from diet and supplements)

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

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.

Outros ingredientes para High Blood Pressure (Hypertension)

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Veredito Rápido

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

Evidence Strength52%

Moderate confidence

Detalhamento dos Estudos

RCT (0)Meta (1)Other (12)

Comparar Alternativas

Veja como outros ingredientes se comparam para esta condição.

Ver todos os ingredientes para High Blood Pressure (Hypertension)

Saiba Mais

References

[1] Takafumi Ushida et al.. Hypertens Res. 2025. Dietary supplements and prevention of preeclampsia. doi:10.1038/s41440-025-02144-9 PubMed
[2] Sasan Amanat et al.. Adv Nutr. 2025. Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysis. doi:10.1016/j.advnut.2025.100440 PubMed
[3] Jerzy Głuszek. Wiad Lek. 2024. Novel pharmacologic approaches in resistant hypertension. doi:10.36740/WLek/194090 PubMed
[4] Giulia Marrone et al.. Nutrients. 2021. Vegan Diet Health Benefits in Metabolic Syndrome. doi:10.3390/nu13030817 PubMed
[5] Niloufar Zadeh Saraji et al.. J Renal Inj Prev. 2017. Restless leg syndrome in chronic hemodialysis patients in Mashhad hemodialysis centers. doi:10.15171/jrip.2017.27 PubMed
[6] Betty S Chan et al.. Clin Toxicol (Phila). 2016. Efficacy and effectiveness of anti-digoxin antibodies in chronic digoxin poisonings from the DORA study (ATOM-1). doi:10.1080/15563650.2016.1175620 PubMed
[7] Alfonso Eirin et al.. Trends Cardiovasc Med. 2016. Emerging concepts for patients with treatment-resistant hypertension. doi:10.1016/j.tcm.2016.05.004 PubMed
[8] Behzad Einollahi et al.. Nephrourol Mon. 2014. Restless leg syndrome: a neglected diagnosis. doi:10.5812/numonthly.22009 PubMed
[9] Jian-hong Li et al.. Zhongguo Zhong Yao Za Zhi. 2014. [Clinical characteristics and combined use of medicine analysis of 2 991 hospitalized patients with psoriasis based on real world database]. PubMed
[10] S Basit. Br J Biomed Sci. 2013. Vitamin D in health and disease: a literature review. doi:10.1080/09674845.2013.11669951 PubMed
[11] Eka Ginanjar et al.. Acta Med Indones. 2007. Vitamin D and autoimmune disease. PubMed

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.

Calcium para High Blood Pressure (Hypertension)

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Conclusão

Key Study Findings

Key Statistics

Referenced Papers

Dosage & Usage

Dosagens Comumente Utilizadas

Dosagens Estudadas em Pesquisas

Safety & Side Effects

Efeitos Colaterais Relatados

Interações Conhecidas

Frequently Asked Questions

Related Evidence

Outros ingredientes para High Blood Pressure (Hypertension)

References