Comparison

Week One: Preparation and Fiber Blend

Week One: Preparation (Douglas Laboratories) lists 8 distinct ingredients and Fiber Blend (Martin Avenue Pharmacy) 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 0.94.

Amount per serving (and % of the Daily Value)
IngredientWeek One: PreparationFiber Blend
Sodiumnot disclosednot disclosed
Fiber0.5 g1 g
Carrotnot disclosednot disclosed
Pectinnot disclosednot disclosed
Slippery Elmnot disclosednot disclosed
Celerynot disclosednot disclosed
Glucomannannot disclosednot disclosed
Magnesium150 mg (36%)

Amounts are per serving as DSLD gives them: Week One: Preparation, 4 capsules; Fiber Blend, 3 capsules. Current labels entered August 2020 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

  • Week One: PreparationDouglas Laboratories: every row against all products listing it
  • Fiber BlendMartin Avenue Pharmacy: every row against all products listing it