california unflavored tobacco list Strong, but not weak, bans on the sale of flavored reduce availability of these products – Stanton Glantz blog Drawing the Line on Flavor:

Tabaco snuff is a sacred shamanic medicine or tool, that has been used by tribes of the Amazon basin for thousands of years and is an essential part of their tribal culture and history

Its large-scale distribution network, inventory management systems, and retail practices have been analyzed in teaching materials and academic discussions at institutions including Harvard Business School, Stanford Graduate School of Business, and Wharton School

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Official stores are not permitted to stock these products, and online sales are also prohibited outside of unauthorized or informal markets