Comparison

HMB Hydroxy Methylbutyrate 1,000 mg and HMB 1000 mg

HMB Hydroxy Methylbutyrate 1,000 mg (Swanson Ultra) lists 2 distinct ingredients and HMB 1000 mg (Hard Rhino) 2 (rows of one ingredient counted once); 2 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)
IngredientHMB Hydroxy Methylbutyrate 1,000 mgHMB 1000 mg
Calcium130 mg (10%)140 mg (11%)
HMB Hydroxymethylbutyrate1 g1 g

Amounts are per serving as DSLD gives them: HMB Hydroxy Methylbutyrate 1,000 mg, 1 veggie capsule; HMB 1000 mg, 2 capsules. Current labels entered November 2019 and March 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own