WarehouseHawk
Pharmacy (Otc)
Nature Made Extra Strength Magnesium 400 mg, 180 Softgels
Costco.com
$19.49
$22.99
In stock
$6.00 more than this warehouse
Costco.com checked 3 hours ago
Availability
Nationwide
624 of 624 warehouses reporting stock
448 In stock
176 Low stock
Low$13.49
Average$16.29
High$16.99
326–350 of 624 warehouses
| Warehouse | Price | Stock | Updated | |
|---|---|---|---|---|
| W Katy · Katy, TX1591.2 mi | $16.99 | In stock | 6 days ago | Show |
| The Woodlands · Conroe, TX1596.2 mi | $16.99 | Low stock | 1 week ago | Show |
| Willowbrook · Houston, TX1598.6 mi | $13.49 | Low stock | 5 hours ago | Show |
| Richmond TX1599.4 mi | $16.99 | In stock | 2 weeks ago | Show |
| Rochester MN1601.5 mi | $16.99 | In stock | 1 week ago | Show |
| Sugar Land, TX1604.6 mi | $16.99 | In stock | 2 weeks ago | Show |
| Bunker Hill · Houston, TX1604.6 mi | $16.99 | In stock | 1 week ago | Show |
| Galleria · Houston, TX1611.1 mi | $16.99 | In stock | 1 week ago | Show |
| Humble, TX1611.8 mi | $16.99 | In stock | 3 days ago | Show |
| Pearland, TX1619.6 mi | $16.99 | In stock | 3 days ago | Show |
| Webster, TX1633.4 mi | $16.99 | In stock | 6 days ago | Show |
| Coralville, IA1637.3 mi | $16.99 | In stock | 1 week ago | Show |
| Duluth, MN1649.8 mi | $16.99 | In stock | 1 week ago | Show |
| Little Rock, AR1653.0 mi | $16.99 | In stock | 1 week ago | Show |
| Eau Claire, WI1660.3 mi | $16.99 | In stock | 5 days ago | Show |
| Davenport, IA1693.3 mi | $16.99 | In stock | 1 week ago | Show |
| St Peters · Saint Peters, MO1701.4 mi | $13.49 | In stock | 1 day ago | Show |
| Manchester MO1708.5 mi | $16.99 | In stock | 2 weeks ago | Show |
| University City · Saint Louis, MO1715.7 mi | $16.99 | Low stock | 1 week ago | Show |
| S St Louis · Saint Louis, MO1718.2 mi | $16.99 | In stock | 1 week ago | Show |
| East Peoria, IL1744.6 mi | $16.99 | In stock | 1 week ago | Show |
| Middleton, WI1746.2 mi | $16.99 | Low stock | 1 week ago | Show |
| Verona, WI1746.6 mi | $16.99 | In stock | 5 days ago | Show |
| Sun Prairie, WI1758.9 mi | $16.99 | Low stock | 1 week ago | Show |
| Loves Park, IL1773.8 mi | $16.99 | In stock | 1 week ago | Show |
Product details
- 400 mg of Magnesium per Softgel
- Adults Take 1 Softgel Daily with Water and a Meal
- Supports Nerve, Muscle, Heart and Bone Health
- No Synthetic Dyes, No Artificial Flavors, No Preservatives, Gluten Free.
Details come from Costco and can change, so confirm specifics with the manufacturer.
Price history
at Sunnyvale · since Jul 25, 2026Current price is $3.50 below the tracked high.
Low$13.49Aug 25
Current$13.49Today
High$16.99Jul 25
View 3 price changes
| When | Price | Stock |
|---|---|---|
| Oct 20, 2026 | $13.49 | In stock |
| Sep 21, 2026 | $16.99 | In stock |
| Aug 25, 2026 | $13.49 | In stock |
| Jul 25, 2026 | $16.99 | In stock |