Nature Made Magnesium 250 mg (100 tablets)
Label read Sep 26, 2026. Where the data comes from
Is Nature Made third party tested? · Is Nature Made magnesium USP Verified? · Which magnesium brands are third-party tested?
Cost
- One tablet holds 250 mg of elemental magnesium, 1.3 times the 200 mg comparison dose. Tablets cannot be split.
- The panel prints "Magnesium 250 mg (as Magnesium Oxide) 60%" per serving of 1 tablet. Elemental magnesium is the comparison basis here and the panel states it directly, so 250 mg is read off the label rather than computed; the panel prints no weight for the oxide compound, so none is recorded and nothing is derived from one. This panel prints no "Servings Per Container" line. The serving it does print is 1 tablet and the front face prints "100 TABLETS", so the container holds 100 servings: the label's own count against the label's own serving.
Delivery
Buying more than one? Calculate the order
Change the quantity to see the actual container subtotal and whether it reaches the recorded free-delivery threshold.
- Container subtotal
- $6.19
- Delivery
- $8.00
- Order total, before tax
- $14.19
- Per 200mg elemental magnesium, delivery included
- $0.114
100 labeled servings in this order. Comparison doses are a price yardstick, not advice about how much to take.
Set the quantity at the retailer; this calculator does not add items to a cart. Uses the recorded unit price with no coupon or quantity discount. Tax is extra. Delivery terms apply to the contiguous US unless the policy says otherwise.
Delivery terms and limits
Free shipping within the contiguous United States on orders of $25 or more before tax, and a flat $8 fee below that, from Nature Made’s own shipping policy page read September 23, 2026: "Free shipping within the contiguous U.S. is available on: Orders $25+ (before tax)" and "A flat $8 shipping fee applies to: Orders under $25". Shipments outside the contiguous United States, including Alaska and Hawaii, carry the same $8 fee. The page calls neither term temporary. It also says some products or state requirements may add cost, shown at checkout, so a delivered total can be higher than these two figures describe.
Where to buy
Ordered by price, lowest first, and labeled so you can see what each link earns us. Commission is never an input to that ordering. If the cheapest retailer pays us nothing, that is still the one we send you to. No link on this page earns us anything; every Buy button is a plain retailer link.
Price history
Latest recorded price: $6.19 at Nature Made (direct), checked . Unchanged since we started checking on Sep 26 (21 checks).
We check each price about once a day, so this is the range we recorded, not necessarily every price there has been. It says what changed, not why, and nothing about where the price goes next.
Verification, Tier C: Claimed, not confirmed
Two different things reach this level, and the product page says which. Either the label or the product page names an independent third-party program, such as NSF Certified for Sport, NSF Contents Certified or Informed Sport, and we have not confirmed a listing for this package in that program’s own database; or the only test results available are ones the manufacturer or a lab it commissioned published, which may well be accurate and is simply not independent. A mark printed on a package is not the same thing as a listing anyone can open, and that gap is what this level records. It is not a finding against the product.
- The testing claim we recorded for this product, with where it appeared: USP Verified mark printed on the front label, and the back panel prints "USP has tested and verified ingredients, potency, and manufacturing process. USP sets official standards for dietary supplements. www.uspverified.org". USP Verified is a program whose directory names products and strengths and publishes no page for a single product; whether that directory names this product is recorded in the USP row on this page. We found no published result to check it against.
- Checked NSF Certified for Sport database on Sep 24, 2026: not listed.
- Checked USP Verified database on Sep 21, 2026: not listed.
No test reports located for this product.
Label
Other tracked packages
Same category and format and, for vitamin D, the same labeled strength. Different recorded ingredient-form lists are kept separate. Ordered by container price before delivery; only fresh recorded prices are shown. Formulas, flavors and allergens may differ: check each label. These are browsing options, not recommended substitutes.
Compare every magnesium oxide we price, per 200mg elemental magnesium →
What this rests on: prices we last recorded at the retailer named on each product page, which go stale, and each page says when it was checked; the products we track, not every product sold, and Amazon and Walmart are not among the stores; listings and labels read at the source, each linked from the page. Found an error? Tell us. The full method: How we compare.