Best Magnesium Supplements for Heart Health of 2026

Pure Encapsulations Magnesium (Glycinate) is a supplement designed to support stress relief, sleep, heart health, nerves, muscles, and metabolism. It activates the enzymes necessary for a number of physiological functions, helps the metabolism and utilization of essential nutrients, and is necessary for the metabolism of carbohydrates, amino acids, and energy production. It is made with premium ingredients, free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Get your daily dose of Magnesium with Double Wood Supplements' Magnesium Glycinate 400mg capsules. This supplement contains Magnesium Bisglycinate which is better absorbed by the body, making it easier on the stomach and less likely to cause side effects. Each bottle contains 180 capsules, providing a six-month supply. Manufactured and third-party tested in the USA, these capsules are gluten-free, Non-GMO, and vegan safe.

THORNE Magnesium Glycinate is designed to support your overall wellness by helping your brain, bones, muscles, and lungs function well. It also aids in maintaining a healthy metabolism, which can keep your body energized. If you have an active lifestyle, this supplement can help you relax and enjoy better sleep, making it easier to unwind after a busy day. Additionally, it supports your body's natural energy production by assisting enzymes that create cellular energy. Plus, you can trust this product’s quality because it’s third-party tested to ensure it matches the label and contains no harmful contaminants.

Nature Made Magnesium Glycinate is a dietary supplement that provides heart, nerve, and bone support. It contains 200mg of magnesium per serving and is gentle on the stomach. This supplement helps relax the body, support muscle relaxation and heart health. It comes in a bottle of 60 capsules for a 30-day supply, without any artificial flavors and color. The recommended dosage is two capsules daily with water and a meal.

Nature Made Extra Strength Magnesium Oxide 400 mg is a dietary supplement that helps support nerve health, muscle health and heart health. It also supports healthy bones and teeth and helps convert the food you eat into cellular energy. This gluten free supplement has no synthetic dyes, no artificial flavors, and no preservatives. Customers have found it to be helpful in relaxing, staying asleep longer, and reducing leg cramps.

The Vitalibre Magnesium Complex offers a unique blend of 10 different types of magnesium in one convenient capsule, making it easier for you to get a full spectrum of this essential mineral without juggling multiple supplements. Each serving provides 420mg of elemental magnesium, meeting 100% of your daily needs to help fill nutritional gaps common in many diets. This supplement supports your overall well-being by promoting nerve relaxation for better sleep, strengthening bones for improved exercise, and supporting heart health. Plus, it’s made in the U.S. with strict quality standards, ensuring you receive a safe and effective product.

The Nature Made Magnesium Citrate 250mg Softgels supplement is a 60-day supply that supports muscle relaxation, nerve health, heart health, and bone health. It helps convert food into cellular energy and has a better absorption rate due to its Citrate form. Adults can take two softgels daily with a meal and water. This gluten-free supplement contains no synthetic dyes or artificial flavors and is USP verified.

Nature Made Magnesium Oxide 250 mg is a dietary supplement that provides muscle, heart, bone and nerve health support. It contains one 200 count bottle of Nature Made Magnesium Oxide 250 mg Tablets for a 200-day supply. Magnesium 250mg helps relax the body and supports muscle relaxation, nerve, heart and bone health. Adults take one Nature Made 250 mg Magnesium tablet daily with water and a meal. These Magnesium Oxide 250mg tablets are gluten free and contain no synthetic dyes and no artificial flavors.

Solaray Magnesium Glycinate with BioPerine is a high absorption formula that contains fully chelated magnesium plus 5mg BioPerine for better bioavailability and gentle digestion. The supplement is specially formulated to help support healthy relaxation support for those exposed to occasional stress, as well as healthy bones and muscle function. The product comes in 100% PCR bottles made from plastic removed from oceans & landfills, and the company has partnered with One Million Trees to ensure eco-friendliness. The product is manufactured in a state-of-the-art lab in Utah and comes with a 60-day money-back guarantee.

Organics Ocean Magnesium Capsules offer you the unmatched Chelamax Power with a bigger dose of pure magnesium glycinate and zinc. Sourced from the Dead Sea, this formula ensures maximum results and absorption. Its high-absorption formulation supports muscle cramps, sleep, and heart health. The exclusive blend of ingredients helps fight fatigue, ease mental strain, and promote restorative sleep. With 50% smaller capsules, you get 40% more magnesium per serving, making it easier to digest and more effective.