Comparison

Glucosamine & Chondroitin Sulfates 900 mg and Extra Strength Glucosamine & Chondroitin

Glucosamine & Chondroitin Sulfates 900 mg (Natural Factors) lists 4 distinct ingredients and Extra Strength Glucosamine & Chondroitin (NOW) 4 (rows of one ingredient counted once); 4 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine & Chondroitin Sulfates 900 mgExtra Strength Glucosamine & Chondroitin
Carbohydrate1 g2 g
Sodium15 mg110 mg
Chondroitin Sulfate400 mg1,200 mg
Glucosamine Sulfate0.5 g1.5 g

Amounts are per serving as DSLD gives them: Glucosamine & Chondroitin Sulfates 900 mg, 1 capsule; Extra Strength Glucosamine & Chondroitin, 2 tablets. Current labels entered June 2012 and March 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own