Comparison
Bone Strength Collagen Formula and Bone Strength Formula With KoAct
Bone Strength Collagen Formula (Life Extension) lists 7 distinct ingredients and Bone Strength Formula With KoAct (Life Extension) 7 (rows of one ingredient counted once); 6 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 0.59.
| Ingredient | Bone Strength Collagen Formula | Bone Strength Formula With KoAct |
|---|---|---|
| Calcium | 300 mg (23%) | 300 mg (23%) |
| Vitamin D | 25 mcg (125%) | 25 mcg (125%) |
| Magnesium | 100 mg (24%) | 100 mg (24%) |
| Boron | 3 mg | 3 mg |
| Silicon | 5 mg | 5 mg |
| Plum | 100 mg | 100 mg |
| Polyphenols | 50 mg | |
| Calcium Fructoborate | not disclosed |
Amounts are per serving as DSLD gives them: Bone Strength Collagen Formula, 4 capsules; Bone Strength Formula With KoAct, 4 capsules. Current labels entered March 2025 and July 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Bone Strength Collagen FormulaLife Extension: every row against all products listing it
- Bone Strength Formula With KoActLife Extension: every row against all products listing it