The best magnesium supplements of 2026
Updated June 2026Independently researchedNo paid placement.
For most people, Doctor’s Best High Absorption Magnesium Glycinate Lysinate offers the best balance of absorption, dose, and value.
Nature Made Magnesium Glycinate is the runner-up for those who prioritize a trusted, USP-verified brand, while NOW Foods Magnesium Citrate is the budget pick for those seeking digestive regularity.
Magnesium supports hundreds of bodily functions, from muscle relaxation and sleep to blood pressure regulation. But with so many forms on shelves, choosing the right one can feel overwhelming. Glycinate (bonded to glycine) is generally the most absorbable and gentle on the stomach, making it ideal for daily supplementation and sleep support. Citrate (bonded to citric acid) is also well-absorbed but can have a mild laxative effect, which some people welcome for digestive regularity. This roundup focuses on two of the most popular, research-backed forms: magnesium glycinate and magnesium citrate. We’ve gathered owner feedback and expert reviews to highlight the top five picks, covering different budgets, purity needs, and use cases. Every product here is a high-quality option, but the right one depends on your specific goals and tolerance.
Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 mg, 240 Count
the do-it-all default
4.8out of 5Doctor’s Best uses a well-studied, chelated form (magnesium glycinate lysinate) that consistently ranks high in absorption studies. At 240 mg per two-capsule serving, it delivers a solid dose without causing significant GI upset for most users. Longtime enthusiasts praise its consistency and value.
Price range: $$
Check price on Amazon →Nature Made Magnesium Glycinate 200 mg per serving, 100% Chelated, 90 Tablets
the trusted-label runner-up
4.7out of 5Nature Made brings its familiar USP-verified seal to a fully chelated glycinate. Each serving provides 200 mg of elemental magnesium, and user reviews consistently note zero stomach upset. It’s a slightly lower dose per serving than Doctor’s Best, but the brand’s transparency and third-party testing appeal to many.
Price range: $$
Check price on Amazon →NOW Foods Magnesium Citrate, 200 mg, 180 Capsules
the budget-friendly digestive aid
4.5out of 5NOW Foods Magnesium Citrate delivers a well-absorbed citrate form at a very accessible price. Many users turn to it for its gentle laxative effect, which can help with occasional constipation. It’s not chelated, so absorption is still good but may be slightly less predictable than glycinate.
Price range: $
Check price on Amazon →| Award | Model | Our score | Price | Best for | |
|---|---|---|---|---|---|
| Best overall | Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 mg, 240 Count | 4.8 / 5 | $$ | Anyone looking for a reliable, well-dosed magnesium glycinate to support overall wellness, | Check price → |
| Runner-up | Nature Made Magnesium Glycinate 200 mg per serving, 100% Chelated, 90 Tablets | 4.7 / 5 | $$ | Someone who prioritizes third-party verification and a brand with a long history of qualit | Check price → |
| Best value | NOW Foods Magnesium Citrate, 200 mg, 180 Capsules | 4.5 / 5 | $ | Budget-conscious buyers or those specifically looking for magnesium to support digestion a | Check price → |
| Editor's pick | Klaire Labs Magnesium Glycinate, 120 Capsules | 4.6 / 5 | $$ | Individuals with allergies, chemical sensitivities, or those who want a rigorously purifie | Check price → |
| Best premium | Pure Encapsulations Magnesium Glycinate - Hypoallergenic, Chelated, 180 Capsules | 4.9 / 5 | $$$ | Health-conscious individuals who prioritize purity and are willing to invest in a top-tier | Check price → |
The picks in detail
1. Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 mg, 240 Count: the do-it-all default
Best overallDoctor’s Best uses a well-studied, chelated form (magnesium glycinate lysinate) that consistently ranks high in absorption studies. At 240 mg per two-capsule serving, it delivers a solid dose without causing significant GI upset for most users. Longtime enthusiasts praise its consistency and value.
Pros
- Chelated form with strong absorption research
- Generous 240 mg serving size per two capsules
- Consistently positive long-term user feedback
- Competitive price per serving for a quality glycinate
Cons
- Capsules are slightly larger than some competitors
- Some users report mild digestive discomfort when taken on an empty stomach
- Not third-party certified (though manufacturer has good quality-control reputation)
Who it’s for
Anyone looking for a reliable, well-dosed magnesium glycinate to support overall wellness, sleep, or muscle recovery.Who should skip it
You prefer very small pills or have a history of strong GI reactions to magnesium supplements.2. Nature Made Magnesium Glycinate 200 mg per serving, 100% Chelated, 90 Tablets: the trusted-label runner-up
Runner-upNature Made brings its familiar USP-verified seal to a fully chelated glycinate. Each serving provides 200 mg of elemental magnesium, and user reviews consistently note zero stomach upset. It’s a slightly lower dose per serving than Doctor’s Best, but the brand’s transparency and third-party testing appeal to many.
Pros
- USP verified for purity and potency
- Fully chelated (magnesium glycinate) for gentle absorption
- Widely available in stores and online
- Well-tolerated even by those with sensitive stomachs
Cons
- Lower elemental magnesium per serving (200 mg vs. 240 mg in some competitors)
- Requires two tablets per serving, so a bottle may not last as long
- Slightly pricier per milligram than some generic options
Who it’s for
Someone who prioritizes third-party verification and a brand with a long history of quality supplements.Who should skip it
You need a higher dose per pill (more than 100 mg per capsule) or prefer a vegan capsule (Nature Made uses gelatin).3. NOW Foods Magnesium Citrate, 200 mg, 180 Capsules: the budget-friendly digestive aid
Best valueNOW Foods Magnesium Citrate delivers a well-absorbed citrate form at a very accessible price. Many users turn to it for its gentle laxative effect, which can help with occasional constipation. It’s not chelated, so absorption is still good but may be slightly less predictable than glycinate.
Pros
- Very affordable, especially per capsule
- Citrate form supports healthy bowel movements for many users
- Long-standing brand with solid production standards
Cons
- May cause loose stools or cramping in people not accustomed to citrate
- Not chelated, so absorption may vary more among individuals
- 200 mg serving requires two capsules (some competitors offer higher per-capsule doses)
Who it’s for
Budget-conscious buyers or those specifically looking for magnesium to support digestion and regularity.Who should skip it
You have a sensitive stomach or are seeking a form of magnesium that is least likely to cause digestive side effects.4. Klaire Labs Magnesium Glycinate, 120 Capsules: the purity-focused editor’s choice
Editor's pickKlaire Labs is a favorite among practitioners and those with chemical sensitivities. Their magnesium glycinate is hypoallergenic, free from common allergens, and third-party tested for contaminants. Each capsule provides 120 mg of elemental magnesium, making it easy to adjust dosage. The only real drawback is the price per milligram.
Pros
- Hypoallergenic formula: no gluten, dairy, soy, or corn
- Third-party tested for purity and potency
- Flexible dosing with 120 mg per capsule
- Highly rated by users with multiple food sensitivities
Cons
- More expensive per milligram than most competitors
- Two capsules needed for a typical 240 mg dose, reducing bottle life
- Smaller bottle size (120 capsules) requires more frequent repurchases
Who it’s for
Individuals with allergies, chemical sensitivities, or those who want a rigorously purified supplement.Who should skip it
You’re on a tight budget or prefer a higher dose per capsule to minimize the number of pills.5. Pure Encapsulations Magnesium Glycinate - Hypoallergenic, Chelated, 180 Capsules: the premium hypoallergenic option
Best premiumPure Encapsulations is the gold standard for purity. Their magnesium glycinate is chelated, hypoallergenic, and free of nearly all common excipients. User reviews repeatedly mention zero GI side effects and excellent tolerance. The cost is significantly higher, but for those who need the cleanest possible supplement, it’s often worth it.
Pros
- Hypoallergenic and free of common allergens (gluten, dairy, soy, etc.)
- Chelated glycinate for superior absorption
- Consistently praised for causing no digestive upset
- Manufactured under strict quality controls with extensive third-party testing
Cons
- Very expensive compared to most other magnesium supplements
- Low dose per capsule (120 mg) means several capsules per serving
- Less widely available in brick-and-mortar stores
Who it’s for
Health-conscious individuals who prioritize purity and are willing to invest in a top-tier product.Who should skip it
You need a budget-friendly option or want a higher dose per capsule to reduce pill count.Best for specific needs
Best for improving sleep quality
Magnesium glycinate is often recommended for better sleep because glycine itself has calming effects on the brain. Among the glycinate options, Doctor’s Best High Absorption Magnesium Glycinate Lysinate stands out due to its well-absorbed lysinate form and generous 240 mg serving, which many users report helps them fall asleep faster and wake up refreshed. If you have allergies or sensitivities, Pure Encapsulations or Klaire Labs are excellent alternatives with equally gentle profiles. Our pick: Doctor's Best High Absorption Magnesium Glycinate Lysinate.
Best for easing occasional constipation
Magnesium citrate draws water into the intestines, which can help soften stools and promote regularity. NOW Foods Magnesium Citrate is the top budget-friendly pick for this purpose, offering a reliable citrate form at a very low cost. Users commonly report gentle results without the harshness of stimulant laxatives. Start with one capsule and adjust as needed to avoid overly loose stools. Our pick: NOW Foods Magnesium Citrate.
Best for those with multiple food sensitivities
When you react to common fillers and excipients, a hypoallergenic formula is essential. Klaire Labs Magnesium Glycinate is specifically designed for sensitive individuals, with rigorous third-party testing and no gluten, dairy, soy, or corn. Many users with chemical sensitivities or autoimmune conditions find it the only magnesium they can tolerate. Pure Encapsulations is an equally pristine alternative, though at a higher price point. Our pick: Klaire Labs Magnesium Glycinate.
Our verdict
If you’re looking for a single, all-purpose magnesium supplement, Doctor’s Best High Absorption Magnesium Glycinate Lysinate remains our top recommendation thanks to its proven form, effective dose, and strong reputation. For those on a tight budget or seeking digestive support, NOW Foods Magnesium Citrate is a smart choice. Whatever your needs, stick with a form and brand that matches your body’s tolerance, consistency matters more than perfecting the label. Start with a lower dose and increase gradually to find your sweet spot.