The CBD oil tincture for sale by Elixinol follows high standards for quality. The company obtains hemp from a variety of sources and focuses on quality when selecting a source for their products. It goes through rigorous testing using pharmaceutical grade equipment to ensure the safety and quality of the product. They also go through a strict practice of testing samples of their tincture and products against a dummy product to double-check their results. The company has a high level of transparency and explains the entire testing process. They provide a certificate of analysis of their products on the products page for customers to evaluate and compare their tinctures.