Atrial Fibrillation Incidence: How diet, lifestyle, and supplements may provide benefits.

Examine Database: Atrial Fibrillation Incidence

Intervention	Grade	Evidence	Effect
Magnesium	B	Participants: 3373	Small Improvement
Fish Oil	C	Participants: 401	Mixed effect
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B

Participants: 3373

Small Improvement

C

Participants: 401

Mixed effect

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Intervention	Grade	Effect	Detail
Magnesium	B
Fish Oil	C
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Intravenous magnesium reduces atrial fibrillation risk

In this meta-analysis of 24 randomized controlled trials, supplementing with magnesium decreased the risk of atrial fibrillation after heart surgery.

Reeling in the risk: Omega-3s and atrial fibrillation

The effect of omega−3s on heart arrhythmias in people with acute coronary syndrome

Alpha-linolenic acid intake and atrial fibrillation risk

Are higher blood omega-6 fatty acid levels associated with an increased risk of atrial fibrillation?

Fish Oil - Ali Vasheghani Farahani, Awat Yousefi Azar, Hamid Reza Goodarzynejad, Elnaz Khorrami, Mohammad Javad Hosseinzadeh-Attar, Sima Oshnouei, Alireza Alizadeh Ghavidel, Elham Golfeshan, Fateme Ghourban PourFish oil supplementation for primary prevention of atrial fibrillation after coronary artery bypass graft surgery: A randomized clinical trialInt J Surg.(2017 Jun)
Magnesium - Ghazizadeh S, Malektojari A, Javidfar Z, Lahuti S, Shokraei R, Zeinaee M, Badele A, Mirzadeh R, Ashrafi M, Afra F, Hamed Ersi M, Heydari M, Ziaei A, Rezvani Z, Mah J, Zeraatkar D, Abbaszadeh S, Pitre TMagnesium for Prevention of New-onset Postoperative Atrial Fibrillation Following Cardiac Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Trials.Heart Int.(2025)