Comparison
Arthri-Flex Advantage and Arthri-Flex Advantage + Vitamin D3
Arthri-Flex Advantage (21st Century) lists 9 distinct ingredients and Arthri-Flex Advantage + Vitamin D3 (21st Century HealthCare) 15 (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 0.51.
| Ingredient | Arthri-Flex Advantage | Arthri-Flex Advantage + Vitamin D3 |
|---|---|---|
| Vitamin C | 100 mg (111%) | 100 mg (111%) |
| Magnesium | 200 mg (48%) | 200 mg (48%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
| Manganese | 5 mg (217%) | 5 mg (217%) |
| Copper | 0.5 mg (56%) | 0.5 mg (56%) |
| Molybdenum | 220 mcg (489%) | 220 mcg (489%) |
| Methylsulfonylmethane | 1,500 mg | 1,500 mg |
| Hyaluronic acid | 80 mg | 80 mg |
| Glucosamine Sulfate | 1.5 g | 1.5 g |
| Vitamin D | 50 mcg (250%) | |
| Grape | not disclosed | |
| Boron | not disclosed | |
| Boswellia | not disclosed | |
| White Willow | not disclosed | |
| Chicken collagen | not disclosed |
Amounts are per serving as DSLD gives them: Arthri-Flex Advantage, 4 tablets; Arthri-Flex Advantage + Vitamin D3, 4 tablets. Current labels entered July 2012 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Arthri-Flex Advantage21st Century: every row against all products listing it
- Arthri-Flex Advantage + Vitamin D321st Century HealthCare: every row against all products listing it