Q4: Can I get some samples?
A: Yes, we can provide the free sample, but the shipping cost is borne by our customers.
Q5:Do you have guarantee on your products?
A:1. Our products are 100% pure natural with high quality.
2. The products are conformed to European standard.
3. We are sure that every batch comes with the unique COA.
4. All extracts are tested in-house;random extracts are tested by authoritative analytical labs.Echinacea Purpurea Extract in stock
website:http://www.nutreherb.com/dietary-supplement-ingredients/echinacea-purpurea-extract/