Lots of people want to buy of only to repackage and resell these products themselves.
As with most things worth doing, this requires a tiny bit of practice. Pollen harvested from polluted areas may be contaminated with heavy metals and inorganic bug sprays. https://www.pressadvantage.com/story/67470-house-call-chiros-expands-mobile-chiropractic-service-in-gilbert-to-fitness-and-wellness-centers