Best 6 Magnesium Citrate Supplements for Sleep, Muscle, and Digestion Support (2025)

Magnesium is an essential mineral your body needs for hundreds of biological processes—yet many Americans don’t get enough. Among all magnesium forms, Magnesium Citrate stands out for its high bioavailability, making it one of the most effective options for supporting sleep, muscle recovery, and digestive regularity.

In this guide, we’ll break down the top benefits of magnesium citrate, how it works, and what to look for in a quality supplement—along with our curated list of the best Magnesium Citrate supplements (coming soon below).

Our Top Picks for Magnesium Citrate Supplements

1. Best Overall Magnesium Citrate: aSquared Nutrition Magnesium Citrate 833mg (200 Capsules)

• Why? Delivers a powerful 833 mg per serving from just two capsules—one of the highest dosages on the market. Clean formulation, vegan-friendly, and manufactured in a GMP-compliant facility.
• Key Benefits: Supports energy production, bone strength, nerve function, muscle recovery, and digestive regularity.
• Best for: Individuals needing high-dose magnesium support for energy, bone, and muscle health.

2. Best Value Magnesium Citrate: Double Wood Magnesium Citrate 800mg (180 Capsules)

• Why? Offers a great price-per-capsule ratio without sacrificing quality. Third-party tested, non-GMO, and vegetarian-safe. Ideal for daily digestive and muscle support.
• Key Benefits: Aids in regular bowel movements, muscle relaxation, and occasional constipation relief.
• Best for: Budget-conscious users seeking quality magnesium for digestion and daily wellness.

3. Best Small-Batch Capsule Formula: Nutricost Magnesium Citrate 420mg (120 Capsules)

• Why? Provides 420 mg elemental magnesium per serving in a compact 30-serving bottle. Made in an FDA-registered, GMP-compliant facility with non-GMO and soy-free ingredients.
• Key Benefits: Promotes bone and muscle health, energy production, and a healthy nervous system.
• Best for: Users who prefer shorter-term supplies or trying magnesium citrate in smaller doses.

4. Best Bulk Capsule Supply: NatureBell Magnesium Citrate 500mg (240 Capsules)

• Why? Each serving offers 500 mg elemental magnesium in citrate form, with over two months’ supply in one bottle. Third-party tested, clean label, and highly bioavailable.
• Key Benefits: Supports cardiovascular health, digestive balance, joint comfort, and energy metabolism.
• Best for: Long-term users seeking a high-purity magnesium citrate supplement with extended supply.

5. Best Magnesium Complex Blend: Nurturly Magnesium Citrate & Oxide 500mg (120 Capsules)

• Why? Combines magnesium citrate and oxide for enhanced absorption and longer-lasting effects. Made in the USA with non-GMO, gluten-free ingredients.
• Key Benefits: Supports bones, muscles, nerve health, and sleep, while also aiding in energy production.
• Best for: Individuals seeking a dual-form magnesium formula for comprehensive wellness.

6. Best Powdered Magnesium Citrate: Micro Ingredients Pure Magnesium Citrate Powder (2 lb)

• Why? Delivers 500 mg elemental magnesium per scoop in a clean, filler-free powder. Highly economical with 274 servings per bag.
• Key Benefits: Promotes relaxation, supports enzyme activity, muscle health, and digestive comfort.
• Best for: Powder lovers seeking high flexibility, fast absorption, and value in bulk magnesium supplementation.

Rank	Product	Form	Price per Count	Highlight	Key Benefits	Best For
1️⃣	aSquared Nutrition Magnesium Citrate 833mg (200ct)	Capsule	$0.13	Best Overall Magnesium Citrate	Energy, bone, muscle, and nerve support; high absorption	Users needing high-dose magnesium for full-body health
2️⃣	Double Wood Magnesium Citrate 800mg (180ct)	Capsule	$0.07	Best Value Magnesium Citrate	Occasional constipation relief, hydration, muscle function	Budget-conscious users needing digestion and wellness support
3️⃣	Nutricost Magnesium Citrate 420mg (120ct)	Capsule	$0.09	Best Small-Batch Capsule Formula	Bone and nerve support, high bioavailability	Users looking for a short-term or trial-friendly supply
4️⃣	NatureBell Magnesium Citrate 500mg (240ct)	Capsule	$0.07	Best Bulk Capsule Supply	Cardiovascular, joint, digestive and energy support	Long-term users wanting clean-label and extended supply
5️⃣	Nurturly Magnesium Citrate & Oxide 500mg (120ct)	Capsule	$0.19	Best Magnesium Complex Blend	Bone density, sleep support, muscle relaxation	Those needing both fast and extended magnesium absorption
6️⃣	Micro Ingredients Magnesium Citrate Powder (2 lb)	Powder	$0.81/oz	Best Powdered Magnesium Citrate	Relaxation, digestion, muscle and enzyme support	Powder lovers seeking flexibility, high concentration, and absorption

1. Best Overall Magnesium Citrate: aSquared Nutrition Magnesium Citrate 833mg (200 Capsules)

Price: $29.95

aSquared Nutrition delivers an ultra-strength Magnesium Citrate supplement with 833 mg per serving (2 capsules), providing 250 mg of elemental magnesium. Each bottle contains 200 vegan capsules—enough for a 100-day supply. It is ideal for users seeking a high-potency option to support muscle relaxation, energy production, digestion, and bone health.

Key Benefits

• Promotes muscle and nerve function
• Supports healthy bones and cardiovascular health
• Aids digestion and relieves occasional constipation
• Helps increase energy levels and reduce fatigue
• May support better sleep and relaxation

Key Ingredients

• Magnesium (from 833 mg Magnesium Citrate): 250 mg per serving (2 capsules)
• Capsule form: Vegetable cellulose (vegan-friendly)
• Free from preservatives, gluten, and artificial ingredients

Pros

• High dosage: 250 mg elemental magnesium per serving
• 200 capsules per bottle – long-lasting 100-day supply
• Vegan, non-GMO, and made in a GMP-certified facility
• Widely praised for muscle cramp relief and digestive support

Cons

• Some confusion on labeling: 833 mg is total compound, not elemental magnesium
• Mixed results for sleep improvement—some users expected more
• Capsules may be large for sensitive users

Customer Feedback:

• Effectiveness: Users report noticeable improvements in muscle cramps, energy levels, and digestion. One said the product “worked like clockwork,” while others found it “highly absorbable.”
• Pain Relief: Many reviewers with joint pain or muscle tension found relief, particularly post-menopause or after physical exertion.
• Quality: Multiple reviews describe it as a high-quality, reliable product that delivers results without side effects.
• Value for Money: Priced around $0.13 per capsule, it’s considered a great deal for a 100-day supply at this potency.
• Ease of Use & Dosage: Each capsule provides over 400 mg Magnesium Citrate, and most users found them easy to swallow.
• Digestibility & Absorption: The supplement is praised for being gentle on the stomach and promoting regularity.
• Sleep Quality: Mixed results—some customers reported better rest, others said it had no effect on sleep.

Best Suited For
This product is best for those seeking a high-dose magnesium supplement for muscle recovery, constipation relief, and energy support. It’s also a great fit for vegans and those looking for value-packed bulk options.

Usage Recommendations
Take 2 capsules daily with a meal, preferably in the evening if using for sleep support. If using for digestion or energy, morning use is appropriate. Adjust based on your body’s tolerance and healthcare provider’s advice.

Summary: aSquared Nutrition Magnesium Citrate offers a powerful 250 mg elemental magnesium per serving from a highly absorbable citrate form. With excellent value, clean ingredients, and broad customer satisfaction, it’s a top choice for those needing strong, daily magnesium support.

2. Best Value Magnesium Citrate: Double Wood Magnesium Citrate 800mg (180 Capsules)

Price: $14.94

Double Wood Supplements offers a magnesium citrate formula with 800 mg per serving (2 capsules), delivering 112 mg of elemental magnesium. The bottle contains 180 capsules, providing a solid 90-day supply. This product is manufactured in the USA, third-party tested, non-GMO, vegan, and designed to support digestion, relaxation, and overall magnesium balance.

Key Benefits

• Promotes deeper and more restful sleep
• Helps relieve occasional constipation and improve digestion
• Supports nerve and muscle relaxation, easing leg cramps
• Contributes to energy metabolism and calm mood
• Gentle on the stomach and easy to swallow

Key Ingredients

• Magnesium Citrate: 800 mg per serving
• Elemental Magnesium: 112 mg per 2-capsule serving
• Other ingredients: Hypromellose (capsule), rice flour, vegetable stearate, silica

Pros

• Well-tolerated and easy on digestion
• Highly rated for improving sleep quality and evening relaxation
• Non-GMO, gluten-free, and third-party tested
• Budget-friendly at only $0.07 per capsule

Cons

• Some complaints about capsules not being fully filled
• A few users felt the absorbed dose was lower than expected
• Capsules may crack in rare cases, according to reviews

Customer Feedback:

• Effectiveness: Many users report major improvements in sleep, mood, digestion, and magnesium levels. Several said it worked “better than any sleeping pill.”
• Sleep Quality: One of the most praised benefits. Customers consistently noted faster sleep onset, deeper rest, and reduced nighttime tension.
• Magnesium Content: Users feel the 112 mg elemental dose is effective, though a few expected a higher percentage.
• Ease of Use: The capsules are described as easy to swallow, gentle on the stomach, and suitable for nighttime use.
• Value for Money: Most customers consider it an excellent deal, especially with 90 servings per bottle.
• Quality: Generally seen as high-quality, but a few noted that some capsules arrived cracked.
• Cramping Relief: Effective for leg cramps, muscle tension, and joint pain, especially when taken before bed.
• Dosage: Most appreciate the 800 mg citrate (112 mg elemental) dose, though a few questioned fill consistency.

Best Suited For
People looking to improve sleep quality, ease digestion, and relax tense muscles will benefit most. It’s a great choice for those needing daily gentle magnesium support at an affordable price.

Usage Recommendations
Take 2 capsules daily, preferably in the evening for sleep benefits or with meals for digestion. Always consult a healthcare provider if using alongside medications.

Summary: Double Wood’s Magnesium Citrate is one of the best options for those prioritizing sleep support, relaxation, and digestive ease. With third-party testing, gentle formulation, and strong user feedback, it delivers solid value at a very affordable price.

3. Best Small-Batch Capsule Formula: Nutricost Magnesium Citrate 420mg (120 Capsules)

Price: $9.99

Nutricost Magnesium Citrate offers 420 mg of elemental magnesium per 4-capsule serving, formulated in a non-GMO, gluten-free, and vegetarian-friendly capsule. It supports digestion, sleep, and muscle function, and is made in a GMP-compliant, FDA-registered facility in the USA.

Key Benefits

• Supports bone and muscle strength
• Aids in relaxation and sleep quality
• Helps relieve constipation and cramps
• Contributes to nerve and heart health
• Supports magnesium absorption and overall wellness

Key Ingredients

• Magnesium (as Magnesium Citrate): 420 mg per serving (4 capsules)
• Other ingredients: Di-calcium phosphate, hypromellose (cellulose), magnesium stearate (vegetable source)

Pros

• High dose of elemental magnesium
• Made in a GMP-compliant facility
• Vegetarian, non-GMO, gluten-free
• Clean label with no unnecessary additives
• Affordable for the amount of magnesium per serving

Cons

• Requires 4 capsules per serving
• Some users report large pill size
• Digestive discomfort (e.g., choking or burning) in sensitive individuals

Customer Feedback:

• Effectiveness: Most customers find it works well for constipation, cramps, and sleep, with noticeable improvement in magnesium levels.
• Sleep Quality: Users report deeper, more restful sleep and relief from muscle tension.
• Value for Money: Considered a budget-friendly option that lasts a long time per bottle.
• Quality: Praised as a reliable, clean supplement from a trusted brand.
• Swallowability & Digestive Tolerance: Mixed reviews—some say it’s easy to take, while others complain about large capsule size and minor digestive issues (e.g., burning or constipation).
• Absorbability: Positively rated for better absorption compared to magnesium oxide.

Best Suited For

• Adults looking for bone and muscle support
• People experiencing constipation or leg cramps
• Those seeking a budget-friendly daily magnesium source
• Individuals preferring vegetarian and clean-label supplements

Usage Recommendations

Take 4 capsules daily (1 serving), preferably with a meal and plenty of water to avoid digestive discomfort. Taking it in the evening may support better sleep quality.

Summary: Nutricost Magnesium Citrate is a solid, affordable choice for boosting magnesium levels, easing cramps, and improving sleep. With 420 mg per serving and a clean label, it’s ideal for long-term use—just be mindful of the capsule size.

4. Best Bulk Capsule Supply: NatureBell Magnesium Citrate 500mg (240 Capsules)

Price: $15.29

NatureBell’s high-potency Magnesium Citrate supplement delivers 500 mg of magnesium per 3-capsule serving. With 240 capsules per bottle, it offers over 2 months of supply. It’s designed to support muscle health, sleep, digestion, and cardiovascular function. This product is Non-GMO, gluten-free, soy-free, and lab-tested for purity.

Key Benefits

• Promotes deep, restful sleep and a greater sense of calm
• Helps relieve muscle cramps and supports nerve function
• Supports digestion and regular bowel movements
• Boosts energy and helps manage stress-related fatigue
• Aids bone, heart, and joint health

Key Ingredients

• 500 mg of magnesium (as magnesium citrate) per 3 capsules
• Other ingredients: silicon dioxide, magnesium stearate, rice flour, gelatin (capsule)

Pros

• High potency with 119% DV per serving
• Excellent user-reported effects on sleep, cramps, and calmness
• No artificial additives, preservatives, or sweeteners
• Lab-tested and made in California in a GMP-certified facility
• Affordable price per count ($0.07)

Cons

• Some users report that although labeled 500 mg, the actual elemental magnesium may be closer to 90 mg per capsule
• Not suitable for vegans (contains gelatin)
• A few negative reviews mention it may not work equally for everyone

Customer Feedback:

• Value for Money: Users highlight it as a great deal for the price with long-lasting supply and clean formulation.
• Effectiveness: Most users report reliable relief from leg cramps, improved sleep, and muscle relaxation.
• Ease of Use: Capsules are generally easy to swallow, with no aftertaste.
• Sleep Quality: Many reviewers say they fall asleep faster and feel more refreshed.
• Taste & Digestibility: No unpleasant aftertaste and gentle on the stomach for most users.
• Energy & Overall Health: Some customers note improved mood, energy levels, and muscle recovery.

Best Suited For

• Individuals seeking muscle and nerve relaxation
• Those who suffer from leg cramps or poor sleep
• People needing digestive and energy support with clean ingredients

Usage Recommendations

• Suggested dose: 3 capsules per day (preferably with meals)
• Consistency is key—many users report noticeable benefits after 1–2 weeks of regular use
• Take in the evening if using primarily for sleep support

Summary: NatureBell Magnesium Citrate stands out for its strong reputation, high potency, and consistent sleep/cramp relief. If you’re looking for a trusted, clean supplement with wide-reaching health benefits, this one deserves a spot in your routine.

5. Best Magnesium Complex Blend: Nurturly Magnesium Citrate & Oxide 500mg (120 Capsules)

Price: $24.97

NURTURLY Magnesium Complex offers a powerful 2-in-1 formula with magnesium citrate and oxide. Each capsule delivers a 500 mg dose aimed at supporting bones, nerves, muscles, and sleep. It’s vegan, non-GMO, gluten-free, and made in a GMP-certified facility in the USA.

Key Benefits

• Promotes muscle relaxation and pain relief
• Supports deep, restful sleep and relaxation
• Enhances bone density and nervous system health
• Boosts energy production and metabolic function
• Non-dairy and vegetarian-friendly formula

Key Ingredients

• Magnesium (as oxide/citrate) – 500 mg per capsule
• Other ingredients: Hydroxypropyl methylcellulose (capsule), microcrystalline cellulose, vegetable magnesium stearate, and silicon dioxide

Pros

• High potency 500 mg per capsule
• Combination of citrate (fast absorption) and oxide (longer-lasting effect)
• Vegetarian capsules with clean label – no gelatin, soy, or gluten
• Manufactured in the USA under strict quality standards

Cons

• Capsule size may be large for some users
• Contains magnesium oxide, which can be less bioavailable than other forms
• Price is slightly higher per count ($0.19) compared to others

Customer Feedback:

• Effectiveness: Many users report strong benefits for immunity, energy, and general wellness, calling it “perfect” and “very effective.”
• Pain Level: Users mention feeling pain-free from muscle soreness and relief from migraines, making it a favorite for active individuals.
• Magnesium Content: Appreciated for its importance in nerve health and relaxation.
• Ease of Swallow: Most users find it easy to swallow despite its size, with fewer complaints compared to tablet forms.
• Sleep Quality: Multiple reviewers note deeper sleep, reduced anxiety, and better rest within a week.
• Value for Money: Considered a great buy by most users, especially with a high dose per capsule.
• Pill Size: Mixed feedback — some users find it manageable, others say it’s a bit large.

Best Suited For

• People with frequent leg cramps or muscle tightness
• Individuals seeking better sleep quality
• Active adults with high recovery demands
• Those wanting a clean-label, U.S.-manufactured product

Usage Recommendations

• Take 1 capsule daily, preferably with a meal, or as directed by a healthcare provider
• For best results, use consistently in the evening for sleep or post-workout for muscle support

Summary: NURTURLY Magnesium Complex delivers a powerful 500 mg dose of magnesium in a vegan-friendly capsule, blending citrate and oxide for both fast and lasting effect. Highly rated for relieving pain, supporting sleep, and being easy to swallow, it’s a great pick for muscle and nerve health—even if the pill size may not suit everyone.

6. Best Powdered Magnesium Citrate: Micro Ingredients Pure Magnesium Citrate Powder (2 lb)

Price: $28.95

This powder-form magnesium citrate from Micro Ingredients offers 500mg of magnesium per scoop, with 274 servings per 2 lb bag. It’s unflavored, filler-free, non-GMO, and vegan-friendly, making it an appealing choice for health-conscious users who prefer flexible dosing and fast absorption.

Key Benefits

• Promotes muscle relaxation and calms the nervous system
• Supports better sleep and regular bowel movements
• Enhances magnesium absorption with citrate form
• Easy to mix with smoothies or drinks
• Cost-effective with high number of servings

Key Ingredients

• Magnesium (as Magnesium Citrate) – 500 mg per 3.3g scoop
• No other ingredients (filler-free)

Pros

• Pure magnesium citrate with no additives
• Large bulk size (274 servings) = excellent long-term value
• Supports calmness, digestion, and sleep
• Non-GMO, gluten-free, vegan-friendly
• Dissolves well in warm water (for many users)

Cons

• Taste is polarizing (some say too sweet, others say tasteless)
• Doesn’t dissolve easily for everyone
• Mixed reviews on effectiveness and magnesium content clarity
• Some report it may not be actual citrate but created in solution

Customer Feedback:

• Value for Money: Customers overwhelmingly appreciate the quantity and cost-efficiency, especially when compared to other magnesium supplements.
• Muscle Relaxation: Many users report eased cramps and muscle tension, with positive effects on calmness and bowel regularity.
• Taste: Mixed reactions – some find it palatable or sweet, while others complain about lack of flavor or medicinal taste.
• Dissolves Easily: Mixed results – some users say it dissolves well, others say it clumps or remains gritty.
• Effectiveness: While many users experience noticeable health benefits, some report no effects at all.
• Magnesium Content: Mixed trust – some feel the potency is high, others doubt whether it’s true citrate or properly labeled.

Best Suited For

• People seeking an affordable bulk magnesium option
• Those with muscle cramps, stress, or poor sleep
• Users comfortable with powder supplementation over capsules
• Vegans and individuals avoiding fillers or additives

Usage Recommendations
Take 1 scoop (3,300mg) daily mixed in cold or room temperature liquid. Avoid hot water, as the powder may clump or increase liquid temperature.

Summary: Micro Ingredients Magnesium Citrate Powder is a budget-friendly, additive-free option ideal for long-term use. While it offers excellent value and solid benefits for sleep and relaxation, some users may find issues with taste or solubility.

What Is Magnesium Citrate?

Magnesium citrate is a combination of magnesium and citric acid, forming a salt that your body easily absorbs. It’s commonly used to:

• Replenish low magnesium levels
• Promote relaxation and better sleep
• Support regular bowel movements
• Prevent muscle cramps and spasms

Compared to other forms like magnesium oxide (poorly absorbed) or magnesium glycinate (calming but lower potency), magnesium citrate offers an excellent balance of absorption, effectiveness, and versatility.

Key Benefits of Magnesium Citrate

Magnesium citrate may offer the following science-backed health benefits:

• Improves Sleep Quality
  Supports melatonin production and helps calm the nervous system for deeper, uninterrupted sleep.
• Relieves Constipation Gently
  Acts as an osmotic laxative to draw water into the intestines, aiding smooth bowel movements without harsh stimulants.
• Reduces Muscle Cramps and Spasms
  Helps relax muscle fibers and regulate electrolyte balance—especially useful for athletes or people with magnesium deficiencies.
• Supports Cardiovascular Health
  Helps regulate blood pressure and supports heart rhythm by improving vascular tone and calcium balance.
• Eases Stress and Boosts Mood
  Plays a key role in regulating GABA and serotonin—neurotransmitters involved in calming the brain and managing mood.

How to Choose the Right Magnesium Citrate Supplement

When selecting a magnesium citrate supplement, consider the following:

• Elemental Magnesium Content
  Magnesium citrate typically contains 16% elemental magnesium by weight, but check the label to confirm how much actual magnesium you’re getting per serving.
• Formulation Type
  Available as capsules, powders, liquids, and chewables. Choose based on your preferences and convenience.
• Other Ingredients
  Avoid unnecessary fillers, artificial colors, or added sugars—especially in flavored powders and liquids.
• Certifications & Purity
  Look for products that are Non-GMO, third-party tested, and free from gluten, dairy, and major allergens.
• Brand Reputation
  Choose companies known for quality control and transparency, ideally with manufacturing done in cGMP-certified facilities.

Who Should Take Magnesium Citrate?

Magnesium citrate may be especially helpful for:

• Adults experiencing trouble sleeping
• People with mild constipation
• Athletes needing muscle recovery and cramp prevention
• Older adults at risk of magnesium deficiency
• Individuals with chronic stress or anxiety
• People on low-magnesium diets (common in processed food-heavy meals)

Possible Side Effects & Considerations

• Digestive effects: Magnesium citrate may cause loose stools if taken in high doses.
• Medication interactions: It may interfere with certain antibiotics, diuretics, or heart medications. Consult a healthcare provider if you’re on prescription drugs.
• Not suitable for kidney issues: Those with impaired kidney function should avoid high doses of magnesium.

FAQ – Magnesium Citrate Supplement

Final Verdict

Magnesium citrate is a powerful, well-absorbed supplement that supports everything from better sleep and smoother digestion to muscle and mood balance. Whether you’re struggling with occasional cramps, constipation, or restless nights, a high-quality magnesium citrate supplement can be a simple yet effective addition to your daily wellness routine.

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