THORNE - Magnesium Bisglycinate - Powdered Magnesium Formula - Supports Restful Sleep, Muscle Relaxation, Heart Health & Metabolism* - NSF Certified for Sport - Gluten, Dairy & Soy-Free - 60 Servings Review
Our verdict
THORNE's Magnesium Bisglycinate is a powdered formula sold in a 60 serving container, notable for its NSF Certified for Sport label, a detail that matters to athletes subject to drug testing.
Check price on AmazonBest for
Athletes or buyers who specifically want a magnesium product that is NSF Certified for Sport, and who prefer a powder over capsules.
Skip if
You want a lower-priced option or a capsule or gummy format, since this is a premium-priced powder.
- Priced 140% above the category median ($21.67 across 108 tracked models)
Pros
- NSF Certified for Sport labeling, useful for athletes subject to testing
- Powdered format for buyers who prefer mixing over swallowing capsules
- Gluten, dairy and soy free labeling
- High recent purchase volume of about 10,000 units a month
Cons
- Premium price relative to many other magnesium products
- Powder requires mixing rather than a grab-and-go capsule
- Review count is smaller than some competing bestsellers
Our scorecard
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Owner rating4.3/5
4.3 average across 2,500 owner ratings
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Popularity1.9/5
2,500 owner reviews, fewer than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
['THORNE sells this as a powdered magnesium bisglycinate formula, packaged for 60 servings and labeled gluten, dairy and soy free. A standout detail on the label is the NSF Certified for Sport designation, which signals third-party testing that matters most to competitive athletes concerned about banned substances.', "At $52, this is a premium-priced option compared to many other magnesium products in this category, reflecting THORNE's positioning as a supplement brand aimed at higher scrutiny use cases like sport certification. The maker frames the formula around restful sleep, muscle relaxation, heart health and metabolism, presented as general wellness claims. As always, talk with a healthcare professional before starting a new supplement, especially if you take medications or have a heart condition.", 'Buyer response includes a 4.3 rating from 2,500 reviews and a reported 10,000 units bought in the past month, a strong purchase volume relative to its review count and price point.']
Performance notes
This is a powdered magnesium bisglycinate formula sold in a 60 serving container, labeled gluten, dairy and soy free and certified NSF Certified for Sport. The maker markets it around restful sleep, muscle relaxation, heart health and metabolism support.
What buyers say
A 4.3 rating from 2,500 reviews, combined with about 10,000 units reportedly bought in the past month, suggests healthy demand even though the review count trails some lower-priced competitors.
More from THORNE
Similar home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters to consider
Frequently asked questions
What does NSF Certified for Sport mean?
It means the product has gone through third-party testing for banned substances, a certification that matters most to competitive athletes. It is a label claim from the manufacturer, not a medical endorsement.
What form does this magnesium come in?
It is a powdered formula sold in a container meant to provide 60 servings.
What does THORNE say this product is for?
The maker markets it around restful sleep, muscle relaxation, heart health and metabolism support, framed as general wellness claims. Talk with a healthcare professional before starting a new supplement.