NICE - The National Institute for Health and Care Excellence - provides information and guidance on policies, best practice advice relevant to care and support workers. https://www.nice.org.uk/
The NHS provides information and guidance on different healthcare conditions, advice on treatment and care for health care workers. https://www.england.nhs.uk/mental-health/
The Department of Health and Social Care is a government body that produces guidance on issues like consent that are relevant to health care workers. https://www.gov.uk/government/publications/reference-guide-to-consent-for-examination-or-treatment-second-edition.