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Document And Entity Information
 6 Months Ended
Jul. 31, 2021
Document Information Line Items  
Entity Registrant Name Nutriband Inc.
Document Type S-1/A
Amendment Flag true
Amendment Description AMENDMENT NO. 2
Entity Central Index Key 0001676047
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Incorporation, State or Country Code NV