Nature's Bounty
Magnesium 500 mg
$0.01Cost / 100 mg elemental Mg
500 mg elemental Mg / serving · 100 servings
Magnesium / reviewed label
Double Wood Supplements
Magtein Magnesium L-Threonate 2000 mg
A closer look at this reviewed label. Numbers are normalized per serving so you can see what is disclosed and what is not.
Elemental Mg / serving144 mgBased on 4 capsules per serving
Amounts are taken from the linked label and reviewed by an editor; they are not independent laboratory measurements. Seller prices may change.
01 / THE FACTS
What the label says
- Serving size
- 4 capsules
- Servings per container
- 30
- Elemental Mg per serving
- 144 mg
- Magnesium compound form
- L-threonate
- Product form
- Capsule
- Ingredients
- Magnesium (144 mg elemental, from 2000 mg Magtein magnesium L-threonate), gelatin capsule, rice flour, vegetable stearate
Elemental magnesium is the comparable amount. Front-of-bottle compound weight (e.g. "glycinate 400 mg") can be several times higher.
02 / THE MATH
On the same scale
- Elemental Mg / serving
- 144 mg
- Cost per serving
- $1.00
- Cost / 100 mg elemental Mg
- $0.69
Unit cost compares disclosed amounts, not absorption, effectiveness or product quality. Missing disclosure is not zero.
03 / IN THE SAME CATEGORY
See all 10 Magnesium products How it stacks up
This product: $0.69 per 100 mg elemental Mg — 10th lowest of 10 in this category. The three lowest-cost options are shown below.
Nutricost
Magnesium Glycinate 210 mg
$0.12Cost / 100 mg elemental Mg
210 mg elemental Mg / serving · 60 servings
Double Wood Supplements
Magnesium Glycinate 400 mg
$0.16Cost / 100 mg elemental Mg
60 mg elemental Mg / serving · 180 servings