Comparison
Seasonal Shield and Natural D-Hist
Seasonal Shield (NuMedica) lists 11 distinct ingredients and Natural D-Hist (Ortho Molecular Products) 5 (rows of one ingredient counted once); 5 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 0.46.
| Ingredient | Seasonal Shield | Natural D-Hist |
|---|---|---|
| Vitamin C | 200 mg (222%) | 300 mg (333%) |
| Bromelain | 200 mg | 100 mg |
| Quercetin | 500 mg | 400 mg |
| N-Acetyl Cysteine | 250 mg | 50 mg |
| Stinging Nettle | 300 mg | 400 mg |
| Vitamin D | 25 mcg (125%) | |
| Zinc | 25 mg (227%) | |
| Grape | 20 mg | |
| Flavonoid | 222 mg | |
| Boswellia | 300 mg | |
| Betaine | 15 mg |
Amounts are per serving as DSLD gives them: Seasonal Shield, 4 capsules; Natural D-Hist, 2 capsules. Current labels entered December 2024 and May 2018. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Seasonal ShieldNuMedica: every row against all products listing it
- Natural D-HistOrtho Molecular Products: every row against all products listing it