Montana YewTip Products Sustainably wildcrafted herbal dietary supplements and cosmetics. The Natural Taxane Source. We are the only company in the world offering a complete line of products made from the legendary Pacific Yew, (Taxus brevifolia) for internal and external use. The only plants on earth that produce naturally occurring compounds called “Taxanes” Taxanes have been shown through scientific biological studies to inhibit harmful cell development and replication. Four generations of our family have utilized our Montana YewTip products for over two decades to maintain our health and longevity. Use coupon code (New2023) for free shipping.