Comparison

Mega Stress 100 and Stress Vitamin B Complex With Vitamin C

Mega Stress 100 (Only Natural) lists 15 distinct ingredients and Stress Vitamin B Complex With Vitamin C (Nature's Harmony) 13 (rows of one ingredient counted once); 13 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 0.80.

Amount per serving (and % of the Daily Value)
IngredientMega Stress 100Stress Vitamin B Complex With Vitamin C
Vitamin C500 mg (556%)300 mg (333%)
Vitamin B6100 mg (5882%)15 mg (882%)
Vitamin B12500 mcg (20833%)10 mcg (417%)
Niacin40 mg (250%)100 mg (625%)
Folate400 mcg100 mcg
Pantothenic Acid (Vitamin B5)100 mg (2000%)46 mg (920%)
Riboflavin100 mg (7692%)25 mg (1923%)
Thiamin100 mg (8333%)25 mg (2083%)
Biotin150 mcg (500%)5 mcg (17%)
Choline100 mg (18%)15 mg (3%)
Inositol100 mg15 mg
PABA100 mg25 mg
Liver50 mg50 mg
Flavonoid250 mg
Rice Bran100 mg

Amounts are per serving as DSLD gives them: Mega Stress 100, 1 tablet; Stress Vitamin B Complex With Vitamin C, 1 tablet. Current labels entered October 2014 and May 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own