Popular brand
Pure Encapsulations Magnesium (Glycinate) · 180 Capsules
$0.22 per 100 mg elemental
$46.50 a container
Priced per 100 mg elemental
Magnesium glycinate price comparison
As of Nov 7, 2026, the cheapest magnesium glycinate on our list is Micro Ingredients Pure Magnesium Glycinate 400mg Per Serving at $0.06 per 100 mg elemental, 73% less per 100 mg elemental than Pure Encapsulations.
- What is it?
- Magnesium bound to the amino acid glycine, a form known for being gentle on the stomach.
- Why do people take it?
- People take it to cover low magnesium intake, and many use glycinate as part of an evening wind-down.
- What does the research say?
- Moderate evidence. Moderate for topping up low intake, which is common. Evidence for sleep on its own is limited.
General information, not medical advice. Check with a doctor or pharmacist if you are pregnant, take medication or have a health condition.
Buy links are affiliate links: we may earn a commission, at no extra cost to you. It never changes the order. How we make money
Cheapest magnesium vs Pure Encapsulations
Best value. Lowest price per serving on this list.
Micro Ingredients Pure Magnesium Glycinate 400mg Per Serving · 240 Capsules
$0.06 per 100 mg elemental
73% less cost per serving than Pure Encapsulations
$19.99 a container
BuySave me money at Micro Ingredients (opens in a new tab)Best for other needs
Best third-party tested
Thorne Magnesium Glycinate · 180 Capsules
$0.21 per 100 mg elemental, 5% less
NSF Contents Certified, listed in the certifier's own database. The cheapest tested option per serving.
BuySave me money at Vitacost (opens in a new tab)Best powder
NOW Foods Magnesium Bisglycinate Powder · 8 oz
$0.06 per 100 mg elemental, 73% less
The cheapest per serving among powders.
BuySave me money at Vitacost (opens in a new tab)Best softgel
Piping Rock Magnesium Glycinate · 375 mg · 130 Quick Release Softgels
$0.07 per 100 mg elemental, 68% less
The cheapest per serving among softgels.
BuySave me money at Piping Rock (opens in a new tab)
Featured partnersAbout featured partners and affiliate links
Dr. Tobias Magnesium Bisglycinate
$0.12 per 100 mg elemental45% less than Pure Encapsulations per 100 mg elemental
MegaFood Extra Strength Magnesium Glycinate Capsules · 30 Day · 120ct
$0.17 per 100 mg elemental23% less than Pure Encapsulations per 100 mg elemental
Costs less than Pure Encapsulations
Best value. Lowest price per serving on this list.
Micro Ingredients Pure Magnesium Glycinate 400mg Per Serving · 240 CapsulesChecked less than an hour ago
$0.06 per 100 mg elemental73% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Micro Ingredients (opens in a new tab)- NOW Foods Magnesium Bisglycinate Powder · 8 oz
Checked less than an hour ago
$0.06 per 100 mg elemental73% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) Sale · 25% off. Piping Rock is running a sale on this size.
Piping Rock Magnesium Glycinate · 375 mg · 130 Quick Release SoftgelsChecked less than an hour ago
$0.07 per 100 mg elemental68% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Piping Rock (opens in a new tab)- Nutricost Magnesium Glycinate Powder · Unflavored
Checked less than an hour ago
$0.08 per 100 mg elemental64% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Nutricost (opens in a new tab) - Dr. Tobias Magnesium Bisglycinate
Checked less than an hour ago
$0.12 per 100 mg elemental45% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Dr. Tobias (opens in a new tab) - Country Life Chelated Magnesium Glycinate · 90 Tablets
Checked less than an hour ago
$0.15 per 100 mg elemental32% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) - KAL High Absorption Magnesium Glycinate 350 · 160 VegCaps
Checked less than an hour ago
$0.15 per 100 mg elemental32% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) - Solaray Magnesium Glycinate · 240 Veggie Capsules
Checked less than an hour ago
$0.15 per 100 mg elemental32% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Swanson (opens in a new tab) - MegaFood Extra Strength Magnesium Glycinate Capsules · 30 Day · 120ct
Checked less than an hour ago
$0.17 per 100 mg elemental23% less than Pure Encapsulations per 100 mg elemental
BuySave me money at MegaFood (opens in a new tab) - Protocol for Life Balance Magnesium Glycinate, High Absorption · 180 Veg Capsules
Checked less than an hour ago
$0.18 per 100 mg elemental18% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) - Life Extension Magnesium Glycinate · 90 Vegetarian Capsules
Checked less than an hour ago
$0.19 per 100 mg elemental14% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) - Nature's Bounty Magnesium Glycinate, High Absorption · 120 Capsules
Checked less than an hour ago
$0.20 per 100 mg elemental9% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab) - Thorne Magnesium Glycinate · 180 Capsules
NSF Contents Certified (opens in a new tab)Checked less than an hour ago
$0.21 per 100 mg elemental5% less than Pure Encapsulations per 100 mg elemental
BuySave me money at Vitacost (opens in a new tab)
Also on this list
- ProHealth Magnesium Glycinate · 90 capsules
Checked less than an hour ago
$0.22 per 100 mg elemental
BuySave me money at ProHealth (opens in a new tab) - Nature Made High Absorption Magnesium Glycinate Capsules 200 mg · 60 capsules
USP Verified (opens in a new tab)Checked less than an hour ago
$0.37 per 100 mg elemental
BuySave me money at Nature Made (opens in a new tab)
This list starts with a brand people already buy, then anything cheaper per 100 mg elemental. Glycinate and bisglycinate only, and only when the page states elemental magnesium. Oxide and blends stay off. Affiliate links, when we have them, don't change the price.
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Cheaper alternatives
- Cheaper alternatives to Pure Encapsulations magnesium13 products cost less per 100 mg elemental than Pure Encapsulations, up to 73% less.
- Cheaper alternatives to Thorne magnesium12 products cost less per 100 mg elemental than Thorne, up to 71% less.
- Cheaper alternatives to Nature Made magnesium15 products cost less per 100 mg elemental than Nature Made, up to 84% less.
Brand vs brand
- Pure Encapsulations vs Micro Ingredients magnesiumMicro Ingredients costs 73% less per 100 mg elemental than Pure Encapsulations: $0.06 vs $0.22.
- Thorne vs Micro Ingredients magnesiumMicro Ingredients costs 71% less per 100 mg elemental than Thorne: $0.06 vs $0.21.
- Nature Made vs Micro Ingredients magnesiumMicro Ingredients costs 84% less per 100 mg elemental than Nature Made: $0.06 vs $0.37.
Magnesium buying guides
- Best magnesium glycinate 2026: top 5 per 100 mg elementalThe best-value magnesium glycinate right now, ranked by cost per 100 mg of elemental magnesium, plus the best powder and softgel and the label traps to avoid.
- Magnesium glycinate vs citrate: which one for sleep, stress or constipation?Glycinate is gentle on the gut; citrate absorbs well but loosens stools. How they compare on elemental magnesium, side effects, uses and price per 100 mg.
- Magnesium glycinate: elemental dose, label tricks, and how much for sleep1,000 mg of magnesium glycinate gives about 140 mg of elemental magnesium (14%). How to find the elemental dose on a label and spot oxide blends.
Magnesium glycinate prices: questions
- What is the cheapest magnesium glycinate right now?
- As of Nov 7, 2026, the cheapest magnesium glycinate on our list is Micro Ingredients Pure Magnesium Glycinate 400mg Per Serving at $0.06 per 100 mg elemental, 73% less per 100 mg elemental than Pure Encapsulations. Prices on the list run from $0.06 to $0.37 per 100 mg elemental.
- What is the cheapest third-party tested magnesium glycinate?
- As of Nov 7, 2026, it is Thorne Magnesium Glycinate at $0.21 per 100 mg elemental. Tested means the product is listed in a testing program's own database (NSF, USP, Informed Sport, Informed Choice or IFOS), checked by a person, not taken from the brand's word.
- How much does magnesium glycinate cost per 100 mg elemental?
- The median price on our list is $0.15 per 100 mg elemental, across 16 prices from 9 stores. Pure Encapsulations, a brand people already buy, costs $0.22 per 100 mg elemental.
- How do you compare magnesium glycinate prices?
- Prices shown per 100 mg elemental magnesium, not the glycinate compound. Oxide and blends stay off this list. We divide each store price by the amount in the container, so a big tub and a small bottle compare fairly.
- How often are prices checked?
- Once a day, from each store's own page. The last check was Nov 7, 10:01 AM ET. We don't sell the products, and affiliate links never change the order.
Every magnesium product we price (16)
- Micro Ingredients Pure Magnesium Glycinate 400mg Per Serving · 240 Capsules$0.06 per 100 mg elemental
- NOW Foods Magnesium Bisglycinate Powder · 8 oz$0.06 per 100 mg elemental
- Piping Rock Magnesium Glycinate · 375 mg · 130 Quick Release Softgels$0.07 per 100 mg elemental
- Nutricost Magnesium Glycinate Powder · Unflavored$0.08 per 100 mg elemental
- Dr. Tobias Magnesium Bisglycinate$0.12 per 100 mg elemental
- KAL High Absorption Magnesium Glycinate 350 · 160 VegCaps$0.15 per 100 mg elemental
- Country Life Chelated Magnesium Glycinate · 90 Tablets$0.15 per 100 mg elemental
- Solaray Magnesium Glycinate · 240 Veggie Capsules$0.15 per 100 mg elemental
- MegaFood Extra Strength Magnesium Glycinate Capsules · 30 Day · 120ct$0.17 per 100 mg elemental
- Protocol for Life Balance Magnesium Glycinate, High Absorption · 180 Veg Capsules$0.18 per 100 mg elemental
- Life Extension Magnesium Glycinate · 90 Vegetarian Capsules$0.19 per 100 mg elemental
- Nature's Bounty Magnesium Glycinate, High Absorption · 120 Capsules$0.20 per 100 mg elemental
- Thorne Magnesium Glycinate · 180 Capsules$0.21 per 100 mg elemental
- ProHealth Magnesium Glycinate · 90 capsules$0.22 per 100 mg elemental
- Pure Encapsulations Magnesium (Glycinate) · 180 Capsules$0.22 per 100 mg elemental
- Nature Made High Absorption Magnesium Glycinate Capsules 200 mg · 60 capsules$0.37 per 100 mg elemental