Dr. Mercola Magnesium Advanced - Supports Bone, Joint & Brain Health - Contributes to More Restful Sleep - Non-GMO, Gluten-Free & Soy-Free - 90 Capsules (30 Servings)
Product listing explicitly states gluten-free; no gluten-containing ingredients are documented in the provided data; no explicit cross-contact or facility information is provided; no third-party certifications are evidenced.
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- Gluten-free and soy-free labeling (gluten safety for celiac/sensitivity)
- Strong user satisfaction and perceived efficacy for sleep and cramps
- Gentle on the stomach and preferred over magnesium oxide by some users
- High rating with a large review count (4.7 rating, 3,422 reviews)
- Possible advantage of Magtein L-Threonate form for brain health and absorption
- Premium price noted by buyers
- Reports of bottle breakage or packaging issues
- Unflavored capsules may be less palatable for some users
Gluten safety details
Product listing explicitly states gluten-free; no gluten-containing ingredients are documented in the provided data; no explicit cross-contact or facility information is provided; no third-party certifications are evidenced.
What to expect
A 90-capsule bottle providing 30 servings, with claims of high bioavailability (Magtein L-Threonate). Buyers typically report improved sleep quality, reduced night-time muscle cramps, and perceived brain health benefits; some experience frequent urination at night and note the product is relatively pricey. No ingredient list or external certifications are provided in the supplied data.
- Sleep support and restful sleep
- Night-time muscle cramp relief
- Brain health support
- Budget-conscious buyers
- Those seeking flavored magnesium products
The full guide
What it is and how it works
Dr. Mercola Magnesium Advanced is marketed as a gluten-free, soy-free magnesium L-threonate supplement (Magtein) in a 90-capsule bottle, providing 30 servings. The data notes high bioavailability claims for Magtein L-threonate and positions it as potentially for bone, joint, and brain health, as well as sleep support. Ingredient lists are not provided in the supplied data, and no independent third-party certifications are documented within the sources provided.
Who it's for and usage considerations
This product targets adults seeking sleep support, relief from night-time muscle cramps, and brain-health support, with gluten-free and soy-free labeling that may be relevant for individuals with celiac disease or gluten sensitivity. Buyers often report improved sleep and cramps relief, but some mention the price as a drawback and occasional packaging issues. The formulation is unflavored in capsule form, which may affect palatability for some users.
Gluten safety and certifications
Gluten-free labeling is stated in the product data, and the listing notes gluten-free and soy-free attributes. There are no explicit third-party certifications documented in the provided data. No cross-contact or facility details are included, so the gluten safety information is based on labeling rather than independent verification within the supplied sources.
Taste, texture, and use cases
The capsules are unflavored, and some users find magnesium L-threonate easier on the stomach compared with magnesium oxide forms. The product provides a 30-day supply (90 capsules total), which may fit daily use for sleep or cramp relief aligned with individual dosing. Use cases cited by reviewers include sleep improvement, cramp relief, and perceived neuro-supportive effects.
What shoppers say
💚 People liked
Sleep improvements reported by many users
Relief from night-time muscle cramps
Perceived brain health support and 'neuro-supportive' effects
Gentle on the stomach compared with some other Mg forms
Brand perceived as high-quality by some reviewers
⚠ People flagged
High price relative to similar supplements
Occasional packaging issues like bottle breakage
Some users experience increased night-time urination
Key takeaways
- Contains gluten-free and soy-free Magtein magnesium L-threonate
- 90 capsules provide a 30-day supply
- Generally high user ratings with reports of sleep and cramp relief
- Premium price and occasional packaging issues; no third-party certifications documented
Evidence gaps for this product:
- Ingredient list not provided in the supplied data
- No explicit third-party certifications documented in the data
- No independent lab test results or cross-contact/facility details provided
- Limited contextual comparisons to other magnesium forms beyond user opinions