Comparison
Cal-Mag Complex and OsteoSelect
Cal-Mag Complex (4Life Fundamentals) lists 12 distinct ingredients and OsteoSelect (Moss Nutrition) 11 (rows of one ingredient counted once); 9 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.68.
| Ingredient | Cal-Mag Complex | OsteoSelect |
|---|---|---|
| Calcium | 630 mg (48%) | 600 mg (46%) |
| Vitamin D | 50 mcg (250%) | 15 mcg (75%) |
| Magnesium | 270 mg (64%) | 300 mg (71%) |
| Zinc | 2 mg (18%) | 10 mg (91%) |
| Manganese | 1 mg (43%) | 2 mg (87%) |
| Copper | 1 mg (111%) | 0.5 mg (56%) |
| Vitamin K | 80 mcg (67%) | 50 mcg (42%) |
| Horsetail | not disclosed | 40 mg |
| Strontium | not disclosed | 50 mg |
| Vitamin C | 20 mg (22%) | |
| Vitamin B6 | 1 mg (59%) | |
| Potassium | 150 mg (3%) | |
| Boron | 2 mg | |
| Lysine | not disclosed |
Amounts are per serving as DSLD gives them: Cal-Mag Complex, 3 tablets; OsteoSelect, 4 tablets. Current labels entered December 2023 and July 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Cal-Mag Complex4Life Fundamentals: every row against all products listing it
- OsteoSelectMoss Nutrition: every row against all products listing it