| General Dental Council | Professional Body of UK Dentists |
| Glue Ear Treatment | Manipulative treatment of glue ear |
| Guild of Complementary Practitioners | Information on Practitioners of CM & more |
| Genetics | UK Dept of Health Info on Genetics |
| Global Health | A major international medical resource site |
| Get Motivated | UK SITE TO Quit Smoking |
| Geriatrics | British Geriatrics Society |