Active substance
Black Mustard Seed
2 products from 1 companies contain this in United States.
2 without prescriptionPellet
Available without a prescription
Sinapis Nigra30CWithout prescription Boiron · Black Mustard SeedSinapis Nigra200CWithout prescription Boiron · Black Mustard Seed
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.