Comparison
One 'N' Only and One 'n' Only Prenatal
One 'N' Only (Pure Essence Labs) lists 53 distinct ingredients and One 'n' Only Prenatal (Pure Essence) 58 (rows of one ingredient counted once); 46 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 0.66.
| Ingredient | One 'N' Only | One 'n' Only Prenatal |
|---|---|---|
| Vitamin C | 100 mg (111%) | 100 mg (111%) |
| Vitamin B6 | 15 mg (882%) | 15.5 mg (912%) |
| Vitamin D | 20 mcg (100%) | 20 mcg (100%) |
| Magnesium | 10 mg (2%) | 10 mg (2%) |
| Vitamin B12 | 48 mcg (2000%) | 48 mcg (2000%) |
| Zinc | 11.25 mg (102%) | 11.3 mg (103%) |
| Niacin | 30 mg (188%) | 30 mg (188%) |
| Vitamin E | 100 IU | 83 mg (553%) |
| Potassium | 10 mg (under 1%) | 10 mg (under 1%) |
| Folate | 600 mcg | 600 mcg |
| Vitamin A | 6,000 IU | 1.8 mg |
| Pantothenic Acid (Vitamin B5) | 20 mg (400%) | 15 mg (300%) |
| Riboflavin | 12 mg (923%) | 12 mg (923%) |
| Thiamin | 10.2 mg (850%) | 10.5 mg (875%) |
| Biotin | 300 mcg (1000%) | 300 mcg (1000%) |
| Iron | 20 mg (111%) | 20 mg (111%) |
| Chromium | 120 mcg (343%) | 120 mcg (343%) |
| Selenium | 70 mcg (127%) | 70 mcg (127%) |
| Manganese | 1.5 mg (65%) | 1.5 mg (65%) |
| Copper | 1 mg (111%) | 1 mg (111%) |
| Iodine | 150 mcg (100%) | 150 mcg (100%) |
| Ginger | 100 mg | not disclosed |
| Vitamin K | 70 mcg (58%) | 70 mcg (58%) |
| Molybdenum | 75 mcg (167%) | 75 mcg (167%) |
| Inositol | 20 mg | not disclosed |
| Grape | not disclosed | not disclosed |
| Boron | 0.5 mg | not disclosed |
| Black Pepper | 2 mg | not disclosed |
| Cranberry | not disclosed | not disclosed |
| Blueberry | not disclosed | not disclosed |
| Pomegranate | not disclosed | not disclosed |
| Quercetin | 10 mg | not disclosed |
| Vanadium | 20 mcg | not disclosed |
| Blue-Green Algae | 150 mg | not disclosed |
| Stinging Nettle | 40 mg | not disclosed |
| Chlorella | 150 mg | not disclosed |
| Rutin | 10 mg | not disclosed |
| Strawberry | not disclosed | not disclosed |
| Aloe | 20 mg | not disclosed |
| Oats | 140 mg | not disclosed |
| Hesperidin | 10 mg | not disclosed |
| Blackberry | not disclosed | not disclosed |
| Red Clover | 30 mg | not disclosed |
| Mangosteen | 20 mg | not disclosed |
| Quinoa | 30 mg | not disclosed |
| Laminaria | 37.5 mg | not disclosed |
| Calcium | 10 mg (under 1%) | |
| Sodium | not disclosed | |
| Leucine | 0.02 g | |
| Proteolytic Enzymes (Proteases) | not disclosed | |
| Lipase | not disclosed | |
| Amylase | not disclosed | |
| Cellulase | not disclosed | |
| Bilberry | not disclosed | |
| Lactase | not disclosed | |
| Raspberry | not disclosed | |
| Silicon | 10 mg | |
| Apple | not disclosed | |
| Lecithin | not disclosed | |
| Sucrase | not disclosed | |
| Red Raspberry | 40 mg | |
| Phosphatidylcholine | 20 mg | |
| Camu Camu | not disclosed | |
| Bamboo | not disclosed | |
| Chlorophyllin | 7.5 mg |
Amounts are per serving as DSLD gives them: One 'N' Only, 1 tablet; One 'n' Only Prenatal, 1 tablet. Current labels entered September 2013 and March 2025. 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 Labs: every row against all products listing it
- One 'n' Only PrenatalPure Essence: every row against all products listing it