There have been several studies conducted on amorphous silica over the years. Here are some key findings from these studies:

• Amorphous silica is generally considered to be non-toxic and safe for human exposure.
• Unlike crystalline silica, amorphous silica does not cause lung disease or other respiratory problems when inhaled.
• Amorphous silica is commonly used in a variety of products, including food additives, cosmetics, and pharmaceuticals, and has been deemed safe by regulatory agencies.
• Some studies have suggested that amorphous silica may have beneficial effects on bone health and may help prevent osteoporosis.

Current evidence suggests that amorphous silica is a safe and useful substance with a range of applications.