Comparison
Basic Prenatal and Z
Basic Prenatal (Thorne) lists 24 distinct ingredients and Z (Essential Beginnings) 25 (rows of one ingredient counted once); 24 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 0.95.
| Ingredient | Basic Prenatal | Z |
|---|---|---|
| Vitamin C | 150 mg (167%) | 150 mg (167%) |
| Calcium | 180 mg (14%) | 256.84 mg (20%) |
| Vitamin B6 | 12 mg (706%) | 50 mg (2941%) |
| Vitamin D | 25 mcg (125%) | 50 mcg (250%) |
| Magnesium | 90 mg (21%) | 300 mg (71%) |
| Vitamin B12 | 200 mcg (8333%) | 20 mcg (833%) |
| Zinc | 25 mg (227%) | 25 mg (227%) |
| Niacin | 30 mg (188%) | 30 mg (188%) |
| Vitamin E | 33.5 mg (223%) | 100 IU |
| Folate | 1,700 mcg DFE (425%) | 1,000 mcg |
| Vitamin A | 1.05 mg | 4,000 IU |
| Pantothenic Acid (Vitamin B5) | 18 mg (360%) | 20 mg (400%) |
| Riboflavin | 5 mg (385%) | 4 mg (308%) |
| Thiamin | 5 mg (417%) | 3 mg (250%) |
| Biotin | 50 mcg (167%) | 300 mcg (1000%) |
| Iron | 45 mg (250%) | 27 mg (150%) |
| Chromium | 100 mcg (286%) | 100 mcg (286%) |
| Selenium | 50 mcg (91%) | 200 mcg (364%) |
| Manganese | 5 mg (217%) | 2 mg (87%) |
| Copper | 2 mg (222%) | 2 mg (222%) |
| Iodine | 150 mcg (100%) | 220 mcg (147%) |
| Choline | 110 mg (20%) | 10 mg (2%) |
| Vitamin K | 100 mcg (83%) | 100 mcg (83%) |
| Boron | 1 mg | 1 mg |
| Molybdenum | 50 mcg (111%) |
Amounts are per serving as DSLD gives them: Basic Prenatal, 3 capsules; Z, 1 tablet. Current labels entered June 2025 and July 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Basic PrenatalThorne: every row against all products listing it
- ZEssential Beginnings: every row against all products listing it