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The Best Magnesium Citrate 400 Mg of 2025 – Reviewed and Top Rated

2,125 Reviews Scanned

Rank No. #1
Magnesium Citrate Powder Capsules 400mg - 180 Count Veg Caps - PhiNaturals Supplements - Nervous System Support and Enzyme Function
  • Nervous System & Muscle Support: Magnesium is an essential mineral for the function of the nervous system as well as the relaxation function of the muscles, including the heart.
  • Enhanced digestive support: Mag citrate at the 400 mg dose can provide gentle yet effective relief for those who struggle with occasional irregularity. Less intestinal discomfort compared to magnesium oxide or magnesium sulfate.
  • Easy-Swallow Small Capsules: Our pure magnesium citrate capsules are formulated for maximum absorption, allowing you to enjoy the benefits without the hassle of powders or liquids, perfect for busy lifestyles.
  • Vegan Friendly and Quality You Can Trust: Each capsule is made with high-quality ingredients in vegetarian capsules, ensuring you receive pure magnesium citrate without inferior ingredients, giving you peace of mind with every dose.
  • Energy and Stress Support: Beyond digestive health, magnesium citrate supports overall wellness, including muscle relaxation and stress relief, making it a valuable addition to your daily supplement routine.
Rank No. #2
Nature Made Magnesium Oxide 400 mg Softgels, Extra Strength Magnesium Supplements for Men and Women, Support for Muscle, Nerve, Bone and Heart, 110 Day Supply
  • Nerve, bone and heart support supplement: contains one 110 count bottle of Nature Made Extra Strength Magnesium 400mg Softgels for a 110-day supply
  • Nature Made Magnesium Oxide 400 mg is a magnesium supplement for women and men that helps support nerve health, heart health, and bone health
  • This Nature Made 400mg Magnesium Oxide supplement also supports muscle relaxation and comes in a higher potency, extra strength dose
  • Magnesium helps support the production of Melatonin
  • Adults take one of these Nature Made Magnesium 400mg softgels daily with water and a meal
Rank No. #3
NOW Supplements, Magnesium Citrate, Enzyme Function*, Nervous System Support*, 120 Veg Capsules
  • SUPPORTS ENERGY PRODUCTION*: Magnesium is a mineral that is critical for energy production and metabolism, muscle contraction, nerve impulse transmission, and bone mineralization*
  • CRITICAL FOR ENZYME FUNCTION*: It is a required cofactor for an estimated 300 enzymes.* Among the reactions catalyzed by these enzymes are fatty acid synthesis, protein synthesis, and glucose metabolism*
  • CLASSIFICATIONS/CERTIFICATIONS: Kosher, Vegan, Soy Free, Keto Friendly, Non-GMO, Halal
  • GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Rank No. #4
Magnesium Citrate 400mg Per Serving, 300 Veggie Capsules – Chelated, Easily Absorbed, Purified Trace Mineral – Muscle, Heart, & Digestive Support – Non-GMO
  • Special Features – Extra strength elemental magnesium citrate contained in natural vegetarian capsules. One of the gentlest forms of magnesium that exists and uses high concentrated chelated magnesium for easy digestion and absorption.
  • Benefits & Use – This high absorption magnesium provides benefits to over 300 different functions around the body for overall general wellness. Taking it on a regular basis may support bone, heart, joint, digestive, and muscle heath.
  • Dosage & Servings – 3 vegetarian capsules per serving to receive 400mg of pure magnesium citrate. Each bottle offers 300 veg capsules and over a 3-month supply.
  • Purpose – Minerals are an essential micronutrient and chelated magnesium offers an easy and efficient way to up your levels. This version is more stable and can be digested in a more complete form that minimizes waste.
  • Quality Ensured – Non-GMO magnesium supplements that are 3rd party lab tested and passed. Made without gluten, dairy, eggs, peanuts, soy, wheat, & yeast.
Rank No. #5
Magnesium Citrate Supplement for Sleep, Relaxation & Muscle Support – 400mg High Absorption Magnesium Capsules for Women & Men – Vegan, Non-GMO, Easy to Swallow Small Capsules – 200 Capsules
  • MAGNESIUM SUPPLEMENT FOR SLEEP & RELAXATION: High absorption magnesium citrate capsules for men and women seeking magnesium for sleep, relaxation, calm mood support, and overall daily wellness in easy to swallow small capsules.*
  • MUSCLE, LEG CRAMP & NERVE SUPPORT: Magnesium citrate is commonly used in wellness routines to support healthy muscle function, nerve function, muscle comfort, post-workout recovery, and leg cramps for active adults and everyday wellness support.*
  • HIGH ABSORPTION MAGNESIUM CITRATE – 400MG PER SERVING: Contains 400mg magnesium citrate per serving in a highly bioavailable form designed for efficient magnesium supplementation, digestion support, regularity and bowel wellness, and daily nutrient absorption support.*
  • EASY TO SWALLOW SMALL CAPSULES – 200 CAPSULES: Small capsule magnesium citrate formula designed for convenient daily use with a long lasting 200 capsule supply. Suitable magnesium for men and women while at home, work or on the go.*
  • VEGAN, NON-GMO & THIRD PARTY TESTED: Your health matters. Our Magnesium Citrate is made in the USA with global ingredients in a cGMP certified facility and third party tested for purity, potency, and quality with trusted, clean ingredients.

Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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