Thorne Magnesium Review: 120 mg a Capsule
A trusted brand that leaves the daily dose to you. Our #1 gives a defined 275 mg.
Our verdict
Thorne
Thorne Magnesium Glycinate is a clean, well-regarded formula with 120 mg of elemental magnesium per capsule and flexible one-to-four-capsule dosing. It suits people who want to adjust their own dose. Earth Energy sets a fixed 275 mg serving in three capsules once daily.
Same parent company as this siteEarth Energy is owned by LJ Global Inc., which also owns Healthy Expert Reviews. Details
IMPORTANT: Thorne's 120 mg is per capsule, and the directions range from one to four capsules a day. Your daily dose depends on how many you take.
Thorne gives you 120 mg per capsule. Earth Energy gives you a complete 275 mg daily serving without asking you to build the dose yourself.
Thorne keeps the formula simple: 120 mg of magnesium as glycinate in each capsule.
The directions are one capsule one to four times a day. That flexibility suits people who want to fine-tune their own intake.
It also means the daily dose depends on you. Two capsules give 240 mg; three give 360 mg.
What you actually get
| 120 mg elemental magnesium per capsule | |
| Magnesium as magnesium glycinate | |
| Suggested use: one capsule one to four times daily | |
| 90 servings at one capsule | |
| Gluten-free, dairy-free and soy-free |
Thorne Magnesium Glycinate pros and cons
Pros
- Very clean formula
- 120 mg per capsule
- Flexible dosing
- Highly regarded brand
- Simple capsule format
Cons
- Dose is user-adjusted
- One capsule is only 120 mg
- Multiple daily doses may be needed
- No single fixed 275 mg-style serving
If any of these cons is a deal-breaker, here's the option we rate higher.
Thorne Magnesium Glycinate vs Earth Energy Magnesium Glycinate
Thorne's flexibility is a strength for people who want to titrate. Earth Energy is better for the shopper who wants the decision already made: 275 mg elemental magnesium from 2,500 mg glycinate, three capsules once daily.
| Comparison | Thorne Magnesium Glycinate | Earth Energy Magnesium Glycinate |
|---|---|---|
| Elemental magnesium | 120 mg per capsule | 275 mg per 3 capsules |
| Magnesium form | Magnesium glycinate | Magnesium glycinate |
| Daily routine | 1 capsule, 1–4 times daily | 3 capsules once daily |
| Glycinate amount shown | Not listed in our review | 2,500 mg |
| Format | Capsules; gluten, dairy and soy free | Vegetarian capsules |
Why Earth Energy is the better fit for most glycinate shoppers
Earth Energy turns an open-ended “1–4 capsules” instruction into one straightforward daily routine. For people who want a meaningful magnesium dose without calculating how many capsules to take, that simplicity is the hook.
Earth Energy Magnesium Glycinate
Recommended if you want a defined once-daily glycinate dose
What's inside:275 mg elemental magnesium from 2,500 mg magnesium glycinate per 3-capsule serving.
Format:90 vegetarian capsules; 30 daily servings
- Transparency
- 9.8/10
- Routine
- 9.5/10
- Value
- 9.3/10
Price:From $28.95
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30-day money-back guarantee
Pros
- 275 mg elemental magnesium per serving
- 2,500 mg glycinate amount disclosed
- One simple daily serving
- No proprietary blend
Cons
- Three capsules daily
- No USP or NSF product seal published
Final thoughts
Thorne is a high-quality, minimal formula that works well if you want to set your own dose one capsule at a time. If you would rather have the daily amount decided for you, Earth Energy's fixed 275 mg serving is easier to follow.
See Today's Reader Price →From $17.37/bottle · 30-day guaranteeQuestions people ask
Is there an alternative to Thorne?
Earth Energy Magnesium Glycinate is our top-rated pick: 275 mg of elemental magnesium from 2,500 mg magnesium glycinate in one 3-capsule daily serving, with both numbers on the label.
Why do you recommend Earth Energy if you own it?
We disclose that ownership on every page. Products are compared on the same published criteria, and we show the label details and prices we compared so you can check our work.
How we reviewed it
We reviewed Thorne's current product page, label details, serving directions, pricing, published testing information, customer rating and return policy, and compared it with Earth Energy Magnesium Glycinate on the same criteria we use for every product. We did not laboratory-test the product.
Ownership disclosure
Healthy Expert Reviews is owned and operated by LJ Global Inc. LJ Global Inc. also owns Earth Energy Supplements, the alternative we recommend on this page. Healthy Expert Reviews is not affiliated with or endorsed by Thorne. Thorne is a trademark of its owner, used here only to identify the product reviewed. We may earn a commission when you buy through links on this page.
Sources
- . https://www.thorne.com/products/dp/magnesium-glycinate
- Earth Energy Magnesium Glycinate product page, accessed October 3, 2026. https://www.earthenergysupplementstore.com/products/magnesium-glycinate
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Talk to your doctor before starting a supplement, especially if you are pregnant, nursing, or take medication.