by Prairie Naturals
Prairie Naturals Cal-Mag Force 2:1 Details The 2:1 ratio in the name is the point of the formula. Calcium and magnesium compete for the same absorption pathways and work against each other physiologically — calcium contracts muscle, magnesium relaxes it — so taking calcium alone at high doses without magnesium tends to be counterproductive. Two parts calcium to one part magnesium is the ratio most
| Retailer | Size | Price (CAD) | Availability |
|---|---|---|---|
| Vitamart | 90 Tablets | $30.95 | Out of stock |
| Supplement World | 180 Caps | $39.99 | Out of stock |
| Vitamart | 180 Tablets | $56.95 | Out of stock |
Prices last synced on 2026-10-30. Confirm at the retailer before buying.