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 11 minutes ago
Availability
| Warehouse | Price | Stock | Updated | |
|---|---|---|---|---|
| Santa Clara, CA3.3 mi | $16.99 +$3.50 | In stock | 5 days ago | Show |
| NE San Jose · San Jose, CA6.2 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| San Jose, CA9.0 mi | $16.99 +$3.50 | In stock | 5 days ago | Show |
| Fremont, CA9.1 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| Newark, CA10.6 mi | $16.99 +$3.50 | In stock | 4 days ago | Show |
| Great Oaks · San Jose, CA14.5 mi | $13.49 | In stock | 1 day ago | Show |
| Hayward, CA17.6 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| Pleasanton, CA22.7 mi | $16.99 +$3.50 | In stock | 5 days ago | Show |
| Livermore, CA24.9 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| San Leandro, CA26.1 mi | $16.99 +$3.50 | In stock | 6 days ago | Show |
| Santa Cruz, CA26.9 mi | $16.99 +$3.50 | In stock | 5 days ago | Show |
| Danville, CA28.4 mi | $16.99 +$3.50 | In stock | 3 days ago | Show |
| El Camino · South San Francisco, CA32.0 mi | $13.49 | In stock | 1 hour ago | Show |
| Gilroy, CA34.9 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| San Francisco, CA35.7 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| Tracy, CA38.7 mi | $16.99 +$3.50 | In stock | 3 weeks ago | Show |
| Richmond CA40.5 mi | $16.99 +$3.50 | In stock | 3 weeks ago | Show |
| Concord, CA40.5 mi | $16.99 +$3.50 | In stock | 3 weeks ago | Show |
| Brentwood CA42.6 mi | $16.99 +$3.50 | In stock | 4 days ago | Show |
| Antioch, CA44.8 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| Manteca, CA49.3 mi | $16.99 +$3.50 | In stock | 1 week ago | Show |
| Salinas, CA49.6 mi | $13.49 | In stock | 2 hours ago | Show |
| Mountain View, CA6.4 mi | $16.99 +$3.50 | Low stock | 1 week ago | Show |
| Almaden · San Jose, CA10.4 mi | $16.99 +$3.50 | Low stock | 2 weeks ago | Show |
| Redwood City, CA14.2 mi | $16.99 +$3.50 | Low stock | 1 week ago | Show |
| Foster City, CA20.1 mi | $16.99 +$3.50 | Low stock | 5 days ago | Show |
| S San Francisco · South San Francisco, CA29.0 mi | $13.49 | Low stock | 8 hours ago | Show |
27 within 50 mi
Show fewer
624 of 624 tracked warehouses report stock nationwide
View all warehousesProduct 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 |