Answer
Feb 03, 2024 - 01:40 PM
PureBulk's Chaga Mushroom Extract 4:1, Siberian is a botanical product and we ensure its quality by retesting every 2 years. We frequently receive new product batches, each with a unique retest date listed on the COA. To obtain a Certificate of Analysis (COA) for our Siberian Chaga Mushroom Extract, please submit a request using the link below. If you have further inquiries about this specific product, feel free to mention them in the "comments" section. https://purebulk.com/coa-request/