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SierraSil is most widely known for its flagship product Joint Formula 14, which is for the relief of joint pain. Joint Formula 14 is aptly named as it calms inflammation and detoxifies with results showing in as little as 14 days. The product carries a NPN (Health Canada Natural Product Number) which approves its use in treating temporary joint pain. It is also vegetarian, vegan and celiac-friendly. Our most popular SierraSil products include Sierrasil Joint Formula14 Capsules and SierraSil Leaps and Bounds Soft Chews.