All their products are manufactured in line with current Good Manufacturing Practice (cGMP) and comply with UK and EU regulations. For each product, the ingredients undergo a thorough approvals process. This includes setting limits and testing for factors such as purity, residual pesticides, heavy-metal contaminants, and micro-organisms. They do not use any ingredients that have been genetically modified or irradiated, and none of their products is tested on animals. At Higher Nature, they never use artificial colours, flavours or preservatives.