Comparison
One 'n' Only and Just 1 Daily
One 'n' Only (Pure Essence) lists 47 distinct ingredients and Just 1 Daily (Bairn Biologics) 42 (rows of one ingredient counted once); 41 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 0.83.
| Ingredient | One 'n' Only | Just 1 Daily |
|---|---|---|
| Vitamin C | 240 mg (267%) | 240 mg (267%) |
| Calcium | 32 mg (2%) | 30 mg (2%) |
| Vitamin B6 | 30 mg (1765%) | 30 mg (1765%) |
| Vitamin D | 25 mcg (125%) | 25 mcg (125%) |
| Magnesium | 25 mg (6%) | 25 mg (6%) |
| Vitamin B12 | 100 mcg (4167%) | 100 mcg (4167%) |
| Zinc | 15 mg (136%) | 15 mg (136%) |
| Niacin | 25 mg (156%) | 25 mg (156%) |
| Vitamin E | 83 mg (553%) | 100 IU |
| Potassium | 5 mg (under 1%) | 5 mg (under 1%) |
| Folate | 400 mcg | 400 mcg |
| Vitamin A | 3 mg | 10,000 IU |
| Pantothenic Acid (Vitamin B5) | 30 mg (600%) | 30 mg (600%) |
| Riboflavin | 25.5 mg (1962%) | 26 mg (2000%) |
| Thiamin | 22.5 mg (1875%) | 23 mg (1917%) |
| Biotin | 100 mcg (333%) | 100 mcg (333%) |
| Chromium | 100 mcg (286%) | 100 mcg (286%) |
| Selenium | 100 mcg (182%) | 100,000 mcg (181818%) |
| Manganese | 2.5 mg (109%) | 3 mg (130%) |
| Copper | 1 mg (111%) | 1 mg (111%) |
| Iodine | 150 mcg (100%) | 150 mcg (100%) |
| Choline | 50 mg (9%) | 50 mg (9%) |
| Vitamin K | 20 mcg (17%) | 20 mcg (17%) |
| Molybdenum | 30 mcg (67%) | 30 mcg (67%) |
| Inositol | not disclosed | 25 mg |
| Boron | not disclosed | 1 mg |
| Flavonoid | 50 mg | 50 mg |
| Quercetin | not disclosed | 10 mg |
| Vanadium | not disclosed | 20 mcg |
| Blue-Green Algae | not disclosed | 125 mg |
| Eleuthero | not disclosed | 40 mg |
| Astragalus | not disclosed | 40 mg |
| Chlorella | not disclosed | 125 mg |
| Rutin | not disclosed | 15 mg |
| Schisandra | not disclosed | 40 mg |
| Oats | not disclosed | 100 mg |
| Hesperidin | not disclosed | 25 mg |
| Fo-Ti | not disclosed | 30 mg |
| Codonopsis | not disclosed | 50 mg |
| Jiaogulan | not disclosed | 20 mg |
| Laminaria | not disclosed | 38 mg |
| Leucine | 0.02 g | |
| Proteolytic Enzymes (Proteases) | not disclosed | |
| Lipase | not disclosed | |
| Amylase | not disclosed | |
| Cellulase | not disclosed | |
| Lactase | not disclosed | |
| Sucrase | not disclosed |
Amounts are per serving as DSLD gives them: One 'n' Only, 1 tablet; Just 1 Daily, 1 tablet. Current labels entered June 2025 and July 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- One 'n' OnlyPure Essence: every row against all products listing it
- Just 1 DailyBairn Biologics: every row against all products listing it