Skip to content
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)
ThorneRanked #1

Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)

One scoop supplies 200 mg of elemental magnesium as magnesium bisglycinate, and the container provides 60 servings. The exact 187 g powder is listed by NSF Certified for Sport and contains citric acid and monk fruit concentrate, with no melatonin or L-theanine.

We may earn a commission when you buy through our links.

Our Verdict

Its NSF Certified for Sport listing gives it a decisive advantage on the highest-weighted criterion, while the pure bisglycinate form and transparent 200 mg elemental dose remain strong. The premium price prevents a higher Value score but does not outweigh its certification advantage.

Score Breakdown

Third-Party Testing10/10
Form & Bioavailability10/10
Dose vs Research8/10
Label Transparency9/10
Value4/10

Pros & Cons

Pros

  • The exact 187 g powder appears in the NSF Certified for Sport database.
  • The panel clearly states 200 mg of elemental magnesium as magnesium bisglycinate.
  • One scoop provides the complete serving without a multi-capsule or multi-tablet dose.

Cons

  • At $0.87 per 200 mg serving, it has the highest cost per active ingredient in the list.
  • Citric acid and monk fruit concentrate make it unsuitable for buyers wanting an unsweetened, single-ingredient powder.

Specifications

Magnesium FormMagnesium bisglycinate
Elemental Magnesium200 mg per serving
Serving Size1 scoop (3.11 g)
Servings Per Container60
Added Sleep IngredientsNone; no melatonin or L-theanine
Third-Party VerificationNSF Certified for Sport
Other IngredientsCitric acid; monk fruit concentrate
Allergen/Diet NotesGluten-free

Who Is This For?

Best For

  • Buyers prioritizing the strongest independent certification
  • People who prefer one mixed scoop instead of tablets or capsules

Not For

  • Budget-focused buyers
  • People avoiding monk fruit or citric acid

Where to Buy

Appears In

Customer Reviews

Alternatives to Consider