self medication ?

A friend asked about herbs. It is wise to leave the preparation and administration of medicine to doctor. In the case of herbs leave the task to good doctor or really good, and qualified herb specialist.
Quoted the rules of UK Medicines Act( regulation)1968: Preparations made from Herbs and any drug should not be used for self medication; Without the supervision of a physician they may prove fatal. Its use is restricted under the Medicines Act 1968.
How about use it for my friends or family members?...Oh, no. Many countries including one famous south Pacific developed country charges the convict as man slaughter. It is not allowed even for yourself as the rule indicate 'no self medication'