Prescribed For Life Horsetail Powder 7:1

What the brand says

Sold as “Prescribed For Life Horsetail Powder 7:1 | Natural Source of Silica | Vegan, Gluten Free, Non GMO | Equisetum arvense (25 kg / 55 lb)”

Horsetail (also called Shavegrass) is a perennial plant that has been used since ancient Greek and Roman times. Horsetail is a rich source of silicon and antioxidants. It can be used to support healthy cognitive function and a healthy immune system. It can also be used for healthy skin, hair, bones and joints.