Comparison

HMB 1000 mg and HMB Hydroxy Methylbutyrate 1,000 mg

HMB 1000 mg (Hard Rhino) lists 2 distinct ingredients and HMB Hydroxy Methylbutyrate 1,000 mg (Swanson Ultra) 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 1000 mgHMB Hydroxy Methylbutyrate 1,000 mg
Calcium140 mg (11%)130 mg (10%)
HMB Hydroxymethylbutyrate1 g1 g

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

Each product on its own