Comparison
HydroxyCal and Fem Cal Citrate
HydroxyCal (Karuna) lists 9 distinct ingredients and Fem Cal Citrate (Freeda) 7 (rows of one ingredient counted once); 7 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 0.80.
| Ingredient | HydroxyCal | Fem Cal Citrate |
|---|---|---|
| Calcium | 272 mg (21%) | 1,000 mg (77%) |
| Vitamin D | 25 mcg (125%) | 25 mcg (125%) |
| Magnesium | 136 mg (32%) | 500 mg (119%) |
| Manganese | 1 mg (43%) | 2.3 mg (100%) |
| Vitamin K | 330 mcg (275%) | 100 mcg (83%) |
| Boron | 1 mg | 2 mg |
| Horsetail | 20 mg | 10 mg |
| Vitamin C | 150 mg (167%) | |
| Phosphorus | 80 mg (6%) |
Amounts are per serving as DSLD gives them: HydroxyCal, 2 capsules; Fem Cal Citrate, 5 coated tablets. Current labels entered May 2025 and April 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- HydroxyCalKaruna: every row against all products listing it
- Fem Cal CitrateFreeda: every row against all products listing it