Comparison

Brewer's Yeast 500 mg and Brewer's Yeast 7 1/2 Grains With Vitamin B 12

Brewer's Yeast 500 mg (Swanson Premium Brand) lists 6 distinct ingredients and Brewer's Yeast 7 1/2 Grains With Vitamin B 12 (Solgar) 6 (rows of one ingredient counted once); 5 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 0.82.

Amount per serving (and % of the Daily Value)
IngredientBrewer's Yeast 500 mgBrewer's Yeast 7 1/2 Grains With Vitamin B 12
Vitamin B121,000 mcg (41667%)5 mcg (208%)
Niacin0.3 mg (2%)0.72 mg (5%)
Riboflavin1 mg (77%)0.09 mg (7%)
Thiamin0.14 mg (12%)0.28 mg (23%)
Brewer's Yeast1,000 mg3,000 mg
Carbohydrate2 g
Vitamin B60.02 mg (1%)

Amounts are per serving as DSLD gives them: Brewer's Yeast 500 mg, 2 tablets; Brewer's Yeast 7 1/2 Grains With Vitamin B 12, 6 tablets. Current labels entered May 2019 and April 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own