Comparison

Premier Limonene and Quantum Limonene

Premier Limonene (Premier Research Labs) lists 1 distinct ingredients and Quantum Limonene (Quantum Nutrition Labs) 1 (rows of one ingredient counted once); 1 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)
Ingredient	Premier Limonene	Quantum Limonene
Sweet Orange	40 mg	40 mg

Amounts are per serving as DSLD gives them: Premier Limonene, 0.05 ml; Quantum Limonene, 0.05 ml. Current labels entered June 2022 and April 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Premier LimonenePremier Research Labs: every row against all products listing it
Quantum LimoneneQuantum Nutrition Labs: every row against all products listing it