They usually are packed raw and comes frozen or freeze dry.
For example, pollen must be tested for microbiological and high metal contamination at the source of collection, and each and every batch of product is definitely produced. https://www.pressadvantage.com/story/67507-unlock-the-healing-potential-with-craniosacral-therapy-in-puyallup-at-unlocking-the-body-massage-the