Comparison

Stress-Plex-Forte and Optimal Vitamin B

Stress-Plex-Forte (Douglas Laboratories) lists 12 distinct ingredients and Optimal Vitamin B (Longevity Medical Clinic) 12 (rows of one ingredient counted once); 12 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)
IngredientStress-Plex-ForteOptimal Vitamin B
Vitamin C200 mg (222%)250 mg (278%)
Vitamin B655 mg (3235%)50 mg (2941%)
Vitamin B12100 mcg (4167%)100 mcg (4167%)
Niacin200 mg (1250%)50 mg (313%)
Folate400 mcg200 mcg
Pantothenic Acid (Vitamin B5)55 mg (1100%)100 mg (2000%)
Riboflavin55 mg (4231%)50 mg (3846%)
Thiamin55 mg (4583%)50 mg (4167%)
Biotin200 mcg (667%)50 mcg (167%)
Choline26 mg (5%)50 mg (9%)
Inositol55 mg50 mg
PABA55 mg50 mg

Amounts are per serving as DSLD gives them: Stress-Plex-Forte, 1 tablet; Optimal Vitamin B, 1 capsule. Current labels entered June 2012 and July 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own