Comparison
Power-Zinc Plus and Purely-Zinc Plus
Power-Zinc Plus (Physician's Strength) lists 21 distinct ingredients and Purely-Zinc Plus (North American Herb & Spice) 21 (rows of one ingredient counted once); 21 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.
| Ingredient | Power-Zinc Plus | Purely-Zinc Plus |
|---|---|---|
| Carbohydrate | 7 g | 7 g |
| Vitamin C | 168 mg (187%) | 268 mg (298%) |
| Vitamin B6 | 0.21 mg (12%) | 0.9 mg (53%) |
| Sodium | 132.5 mg | 110 mg |
| Sugar | 1 g | 1 g |
| Magnesium | 312.47 mg (74%) | 218 mg (52%) |
| Fat (unspecified) | not disclosed | 3 g |
| Zinc | 4.14 mg (38%) | 3.03 mg (28%) |
| Niacin | 1.81 mg (11%) | 5.12 mg (32%) |
| Potassium | 494.45 mg (11%) | 424 mg (9%) |
| Folate | 3.34 mcg | 34.7 mcg |
| Thiamin | 0.15 mg (13%) | 0.292 mg (24%) |
| Protein | 14 g | 12 g |
| Fiber | 3 g | 3 g |
| Iron | 5.69 mg (32%) | 3.68 mg (20%) |
| Saturated fat | 0 g | 0 g |
| Cholesterol | 0 mg | 0 mg |
| Manganese | 2.51 mg (109%) | 2.49 mg (108%) |
| Copper | 0.38 mg (42%) | 0.48 mg (53%) |
| Phosphorus | 556.43 mg (45%) | 513 mg (41%) |
| Trans fat | 0 mg | 0 mg |
Amounts are per serving as DSLD gives them: Power-Zinc Plus, 28 g; Purely-Zinc Plus, 28 g. Current labels entered September 2023 and March 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Power-Zinc PlusPhysician's Strength: every row against all products listing it
- Purely-Zinc PlusNorth American Herb & Spice: every row against all products listing it