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Thorne

Thorne Magnesium Bisglycinate

Health & Wellness$$
88Outstanding

QuickRatey Score

Composite of certifications, ingredient analysis, and sustainability practices.

Certifications

NSF Certified for SportNon-GMOVegan

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Customer Rating

4.8 (8,450)
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Best for

Best for active individuals and those with sensitive stomachs who need a highly absorbable, vegan magnesium supplement for sleep and recovery.

AI Score Review

Thorne Magnesium Bisglycinate is a high-absorption powdered supplement that is worth it for anyone seeking to support muscle relaxation and sleep quality in 2026.

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Score Breakdown

labor
85
sourcing
92
environment
80
transparency
95
animal welfare
100

Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite QuickRatey Score above.

In-Depth Review

Thorne Magnesium Bisglycinate is a premium Health & Wellness supplement designed for optimal bioavailability and gastrointestinal comfort. This pharmaceutical-grade powder stands as the gold standard for individuals requiring highly absorbable magnesium without the laxative effects common in lower-quality salts.

Who it's for

This supplement is engineered for health-conscious individuals who prioritize purity and clinical efficacy.

  • Elite athletes needing muscle recovery support and cramping prevention.
  • Individuals struggling with sleep quality who prefer a nighttime relaxation drink.
  • Wellness enthusiasts looking for a clean, vegan-friendly magnesium source.
  • Patients with sensitive digestive systems who cannot tolerate magnesium citrate.

Key features & specs

FeatureDetail
Magnesium FormBisglycinate Chelate
Serving Size1 Scoop (approx. 4g)
Servings Per Container60
Total Magnesium200mg per serving
ManufacturingUSA-based NSF Certified facility
Dietary StatusVegan, Gluten-Free, Soy-Free

How it compares

Compared to standard magnesium oxide or citrate powders, Thorne Magnesium Bisglycinate offers significantly better absorption rates because the magnesium is bound to glycine, an amino acid that aids transport across the intestinal wall. While many competitor brands use artificial sweeteners like sucralose or animal-derived fillers, Thorne utilizes a clean, monk fruit-sweetened formula that remains 100% vegan.

In the broader market of relaxation supplements, this product avoids the heavy reliance on melatonin found in many sleep aids, focusing instead on fundamental mineral support that works with the body's natural biochemistry.

What to know before buying

  1. Check the NSF Certified for Sport seal if you are a competitive athlete to ensure it is free from banned substances.
  2. Mix the powder thoroughly in at least 8 ounces of water as it requires agitation to dissolve completely.
  3. Start with a half scoop if you are new to magnesium supplements to assess your personal tolerance.
  4. Store the container in a cool, dry place to prevent the powder from clumping over time.
  5. Consult with a healthcare provider if you are taking medications for blood pressure or kidney function.
"The mixability is much better than previous versions, and I noticed a significant improvement in my sleep latency within three days of use." — Verified buyer

Sustainability & ethics

Thorne maintains a rigorous ethical standard by sourcing raw materials that undergo four rounds of testing for contaminants and heavy metals. Their packaging is designed to minimize plastic waste, and by manufacturing in-house in the United States, they maintain a lower carbon footprint compared to brands that outsource production globally.

Pro tip

Mix your Thorne Magnesium Bisglycinate into warm water or a decaf herbal tea 30 minutes before bed to maximize the calming effects of the glycine amino acids.

Frequently asked questions

Is Thorne Magnesium Bisglycinate worth it?

Yes, it is worth it because the bisglycinate form provides superior absorption and is easier on the stomach than cheaper alternatives. The NSF certification adds a layer of trust that generic brands lack.

Does Thorne Magnesium Bisglycinate help with sleep?

Many users find it very effective for sleep as magnesium regulates neurotransmitters that calm the nervous system. It specifically helps those whose restlessness is caused by mineral deficiencies.

How does Thorne compare to magnesium citrate?

Thorne Magnesium Bisglycinate is superior for most users because it does not cause the digestive distress or laxative effects associated with citrate. It is absorbed as a dipeptide rather than competing with other minerals for transport.

Is this product 100% vegan?

Yes, Thorne Magnesium Bisglycinate contains no animal-derived ingredients and uses vegan-friendly sweeteners and flavors. It is also free from common allergens like dairy and soy.

Pros

  • The bisglycinate form offers maximum absorption without the laxative effect found in other salts.
  • NSF Certified for Sport ensures the product is free from over 200 banned substances.
  • The formula is entirely vegan and free from synthetic colors and artificial sweeteners.
  • It dissolves easily in water compared to many other magnesium glycinate powders.

Cons

  • The price point is higher than generic magnesium supplements found in local pharmacies.
  • Some users may find the monk fruit sweetener aftertaste to be too strong.
  • The powder can occasionally clump if exposed to high humidity after opening.

Key Facts

Brand
Thorne
Category
Health & Wellness
QuickRatey Score
88/100
Price Range
$$ (≈ $48)
Avg Rating
4.8/5 (8450 reviews)
origin
USA
material
Powder
packaging
Recyclable plastic bottle
magnesium type
Chelated
size or capacity
8.4 oz (238g)
Certifications
NSF Certified for Sport, Non-GMO, Vegan

🌱 Sustainability

Manufacturing occurs in a LEED-certified facility in South Carolina; strict vendor qualification program ensures high-purity raw materials.

🧪 Ingredients & Materials

Contains 200mg of Magnesium Bisglycinate; sweetened with monk fruit concentrate and evaporated cane juice; citric acid and flavors are plant-derived.

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What Reviewers Say

"Thorne is known for high-quality testing and pure ingredients, making their magnesium bisglycinate a top pick for gastrointestinal comfort."
Healthline4.5
"If you're looking for the best sleep aid that isn't melatonin, Thorne's magnesium powder is a game changer for deep relaxation."
Byrdie4.8
"We love Thorne for their commitment to science-backed formulas and their clean, vegan-friendly ingredient lists."
The Good Trade4.6

Frequently Asked Questions

Is Thorne Magnesium Bisglycinate by Thorne ethically made?+

Yes. Thorne Magnesium Bisglycinate earns an QuickRatey QuickRatey score of 88/100, backed by third-party certifications including NSF Certified for Sport, Non-GMO, Vegan. Thorne Magnesium Bisglycinate is a high-absorption powdered supplement that is worth it for anyone seeking to support muscle relaxation and sleep quality in 2026.

What certifications does Thorne Magnesium Bisglycinate hold?+

Thorne Magnesium Bisglycinate holds the following certifications: NSF Certified for Sport, Non-GMO, Vegan. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.

How sustainable is Thorne Magnesium Bisglycinate?+

Manufacturing occurs in a LEED-certified facility in South Carolina; strict vendor qualification program ensures high-purity raw materials.

What are the key ingredients or materials in Thorne Magnesium Bisglycinate?+

Contains 200mg of Magnesium Bisglycinate; sweetened with monk fruit concentrate and evaporated cane juice; citric acid and flavors are plant-derived.

How much does Thorne Magnesium Bisglycinate cost?+

Thorne Magnesium Bisglycinate is priced in the $$ range for health & wellness. Visit the retailer links above for current pricing.

Where can I buy Thorne Magnesium Bisglycinate?+

Thorne Magnesium Bisglycinate is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.

Customer Reviews

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