Comparison

Psyllium Seed Husks and Hi-Fiber Psyllium Husk Capsules 3 g

Psyllium Seed Husks (Douglas Laboratories) lists 5 distinct ingredients and Hi-Fiber Psyllium Husk Capsules 3 g (Carlson) 4 (rows of one ingredient counted once); 4 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 0.86.

Amount per serving (and % of the Daily Value)
IngredientPsyllium Seed HusksHi-Fiber Psyllium Husk Capsules 3 g
Carbohydrate9.6 g2 g
Protein0.5 g1 g
Fiber9.6 g2 g
Psyllium fiber12 g3 g
Sodium7.2 mg

Amounts are per serving as DSLD gives them: Psyllium Seed Husks, 12 g; Hi-Fiber Psyllium Husk Capsules 3 g, 6 capsules. Current labels entered June 2012 and March 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own