Comparison

Sustained Release High Potency B "100" and Sustained Release High Potency B "50"

Sustained Release High Potency B "100" (Trader Joe's) lists 15 distinct ingredients and Sustained Release High Potency B "50" (Trader Joe's) 15 (rows of one ingredient counted once); 15 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)
IngredientSustained Release High Potency B "100"Sustained Release High Potency B "50"
Calcium100 mg (8%)90 mg (7%)
Vitamin B6100 mg (5882%)50 mg (2941%)
Vitamin B12100 mcg (4167%)50 mcg (2083%)
Niacin100 mg (625%)50 mg (313%)
Folate400 mcg400 mcg
Pantothenic Acid (Vitamin B5)100 mg (2000%)50 mg (1000%)
Riboflavin100 mg (7692%)50 mg (3846%)
Thiamin100 mg (8333%)50 mg (4167%)
Biotin100 mcg (333%)50 mcg (167%)
Cholinenot disclosednot disclosed
Inositolnot disclosednot disclosed
Alfalfanot disclosednot disclosed
Parsleynot disclosednot disclosed
Rice Brannot disclosednot disclosed
Watercressnot disclosednot disclosed

Amounts are per serving as DSLD gives them: Sustained Release High Potency B "100", 1 tablet; Sustained Release High Potency B "50", 1 tablet. Current labels entered October 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