Comparison

Flex-A-Min Super Glucosamine 2000 Plus and Triple Strength Glucosamine 1500 mg MSM 1000 mg Vitamin D 1000 IU

Flex-A-Min Super Glucosamine 2000 Plus (Nature's Bounty) lists 8 distinct ingredients and Triple Strength Glucosamine 1500 mg MSM 1000 mg Vitamin D 1000 IU (Berkley & Jensen) 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 0.93.

Amount per serving (and % of the Daily Value)
IngredientFlex-A-Min Super Glucosamine 2000 PlusTriple Strength Glucosamine 1500 mg MSM 1000 mg Vitamin D 1000 IU
Vitamin C60 mg (67%)60 mg (67%)
Sodium15 mg10 mg
Vitamin D50 mcg (250%)25 mcg (125%)
Manganese4 mg (174%)2 mg (87%)
Boron6 mg1 mg
Methylsulfonylmethane1,000 mg1,000 mg
Glucosamine Hydrochloride2 g1.5 g
Carbohydrate2 g

Amounts are per serving as DSLD gives them: Flex-A-Min Super Glucosamine 2000 Plus, 2 tablets; Triple Strength Glucosamine 1500 mg MSM 1000 mg Vitamin D 1000 IU, 2 tablets. Current labels entered January 2013 and October 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own