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.
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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
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 Form | Magnesium bisglycinate |
| Elemental Magnesium | 200 mg per serving |
| Serving Size | 1 scoop (3.11 g) |
| Servings Per Container | 60 |
| Added Sleep Ingredients | None; no melatonin or L-theanine |
| Third-Party Verification | NSF Certified for Sport |
| Other Ingredients | Citric acid; monk fruit concentrate |
| Allergen/Diet Notes | Gluten-free |
Quick Answers
What is the magnesium form of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) magnesium form: Magnesium bisglycinate.
What is the elemental magnesium of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) elemental magnesium: 200 mg per serving.
What is the serving size of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) serving size: 1 scoop (3.11 g).
What is the servings per container of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) servings per container: 60.
What is the added sleep ingredients of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) added sleep ingredients: None; no melatonin or L-theanine.
What is the third-party verification of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) third-party verification: NSF Certified for Sport.
What is the other ingredients of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) other ingredients: Citric acid; monk fruit concentrate.
What is the allergen/diet notes of the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g)?
Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) allergen/diet notes: Gluten-free.
How much does the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) cost?
The Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) lists at $52 at iHerb as of August 5, 2026. Prices change often, so the merchant page shows the current figure.
Who is the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) for?
It suits buyers prioritizing the strongest independent certification, people who prefer one mixed scoop instead of tablets or capsules. It is not the right pick for budget-focused buyers, people avoiding monk fruit or citric acid.
Is the Thorne, Magnesium Bisglycinate, 6.5 oz (187 g) worth buying?
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. It ranks #1 in our Top 5 Magnesium Glycinate for Sleep. 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.
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
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Alternatives to Consider
Natural Factors, Stress-Relax Nighttime Magnesium Bisglycinate Powder with Melatonin, GABA & L-Theanine, Tropical Fruit, 4.23 oz (120 g)
Natural Factors
One scoop supplies 200 mg of magnesium as bisglycinate plus 2.5 mg melatonin, 50 mg L-theanine and 100 mg GABA from PharmaGABA. It carries the ISURA Verified Clean seal and provides 30 fully disclosed servings.
NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g)
NOW Foods
One level teaspoon supplies 300 mg of elemental magnesium from Albion magnesium bisglycinate, with approximately 76 servings per container. Citric acid is the only other ingredient, and the $0.19 serving cost is the list's best value per active ingredient.
Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets
Doctor's Best
Two tablets supply 200 mg of elemental magnesium from 2,000 mg of Albion magnesium lysinate glycinate chelate, and the bottle contains 120 servings. The panel distinguishes elemental and compound weight clearly; the full suggested daily use is two tablets twice daily rather than one serving.
NOW Foods, Magnesium Glycinate, 100 mg, 180 Tablets
NOW Foods
Two tablets provide 200 mg of elemental magnesium from 2,000 mg of Albion magnesium bisglycinate, with 90 servings per bottle. The formula contains no melatonin or L-theanine and is listed as in stock with 90,000-plus units sold in 30 days.