Magnesium para High Blood Pressure (Hypertension)

B Evidências Pelo menos um ensaio aleatorizado apoia esta conclusão, com resultados maioritariamente consistentes.

Meta-analysis of 34 RCTs: systolic -2.0 mmHg, diastolic -1.78 mmHg at 368 mg/day. Greater effects in magnesium-deficient populations. Approximately 50% of US adults consume below the estimated average requirement.

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Conclusão

Key Study Findings

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

Case Reports 13.0 weeks

A case report of Gitelman syndrome in children.

Dose: 3 g vs: None Outcome: pain reduction Efeito: None None

População: Hypokalemia

Review

Nutritional prevention of cognitive decline and dementia.

Dose: None vs: None Outcome: Cognitive decline prevention Efeito: None None

População: Older adults at risk of cognitive decline

Systematic Review

The impact of essential fatty acid, B vitamins, vitamin C, magnesium and zinc supplementation on …

Dose: varied: EFAs, B vitamins, vitamin C, magnesium, zinc as dietary supplements vs: Placebo Efeito: None None

Review

Prevention of hypokalemia caused by diuretics.

Dose: None vs: None Outcome: mineral status Efeito: None None

População: hypertensive patients

Randomized Controlled Trial n=48 26.0 weeks

Effects of spironolactone on serum and muscle electrolytes in patients on long-term diuretic therapy for …

Dose: 100 mg/d vs: control group Outcome: blood pressure Efeito: None None

População: hypertensive patients

Key Statistics

Estudos

2028

Participantes

↑

Positive

Nota

Referenced Papers

Dietary supplements and prevention of preeclampsia. Review

Hypertension research : … 2025 10 citações

A case report of Gitelman syndrome in children. Case Report

Medicine 2023

Nutritional prevention of cognitive decline and dementia. Review

Acta bio-medica : … 2018 103 citações

The impact of essential fatty acid, B vitamins, vitamin C, magnesium and zinc supplementation on stress levels in women: a … Systematic Review

JBI database of … 2017 38 citações

Prevention of hypokalemia caused by diuretics. Review

Heart disease and … 1994

Effects of spironolactone on serum and muscle electrolytes in patients on long-term diuretic therapy for congestive heart failure and/or arterial … RCT

European journal of … 1986 22 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

general:: 310-420 mg/day
bloodpressuresupport:: 300-500 mg/day
cardiovascularsupport:: 300-400 mg/day elemental magnesium

Limite superior: 350 mg/day from supplements only (no UL for food magnesium)

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	N
500 mg daily	--	Positive	--
3 g	13.0 weeks	Mixed	--
None	--	Mixed	--
varied: EFAs, B vitamins, vitamin C, magnesium, zinc as dietary supplements	--	Mixed	--
None	--	Mixed	--
100 mg/d	26.0 weeks	Mixed	48

Melhor horário: With meals to reduce GI side effects; evening dosing may support sleep

Safety & Side Effects

Efeitos Colaterais Relatados

⚠ Diarrhea (especially magnesium oxide and citrate)
⚠ Nausea
⚠ Abdominal cramping
⚠ Excessive doses may cause hypotension or cardiac depression

Interações Conhecidas

● Bisphosphonates (reduced absorption — separate by 2 hours)
● Antibiotics (tetracyclines, fluoroquinolones — separate by 2-4 hours)
● Diuretics (thiazides reduce, loop diuretics increase magnesium loss)
● Proton pump inhibitors (long-term use may cause hypomagnesemia)

Ingestão máxima tolerável: 350 mg/day from supplements only (no UL for food magnesium)

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 Magnesium help with High Blood Pressure (Hypertension)?

Based on 34 studies with 2,028 participants, there is moderate evidence from clinical studies that Magnesium may support High Blood Pressure (Hypertension) management. Our evidence grade is B (Good Evidence).

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

Studies have used various dosages. A commonly studied range is 310-420 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Magnesium?

Reported side effects may include Diarrhea (especially magnesium oxide and citrate), Nausea, Abdominal cramping, Excessive doses may cause hypotension or cardiac depression. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

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

We rate the evidence as Grade B (Good Evidence). This rating is based on 34 peer-reviewed studies with 2,028 total participants. The overall direction of effect is positive.

Outros ingredientes para High Blood Pressure (Hypertension)

Beetroot Extract A Garlic A Potassium B Quercetin B Grape Seed Extract B Coenzyme Q10 (CoQ10) B

Magnesium para outras condições

Cardiac Arrhythmia B Coronary Artery Disease (CAD) C

Veredito Rápido

Evidence Strength72%

High confidence

Detalhamento dos Estudos

RCT (1)Meta (0)Other (33)

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] Jing Ying et al.. Medicine (Baltimore). 2023. A case report of Gitelman syndrome in children. doi:10.1097/MD.0000000000033509 PubMed
[3] Ligia J Dominguez et al.. Acta Biomed. 2018. Nutritional prevention of cognitive decline and dementia. doi:10.23750/abm.v89i2.7401 PubMed
[4] Delia McCabe et al.. JBI Database System Rev Implement Rep. 2017. The impact of essential fatty acid, B vitamins, vitamin C, magnesium and zinc supplementation on stress levels in women: a … doi:10.11124/JBISRIR-2016-002965 PubMed
[5] E Bourke et al.. Heart Dis Stroke. 1994. Prevention of hypokalemia caused by diuretics. PubMed
[6] T Dyckner et al.. Eur J Clin Pharmacol. 1986. Effects of spironolactone on serum and muscle electrolytes in patients on long-term diuretic therapy for congestive heart failure and/or arterial … doi:10.1007/BF00542411 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.

Magnesium 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)

Magnesium para outras condições

References