I found this on the Brooke Bond site:
'Brooke Bond first launched PG tips in 1930.
Today the brand is established as one of the UK's number 1 tea brand and is a market leader in the UK tea bag market.
In the 1930s tea was sometimes sold on its medicinal properties - indeed, one blend had become successful through a campaign directed towards doctors and nurses and was even sold in chemist shops. Tea was deemed to be an aid to the digestion.
To challenge this competition, Brooke Bond introduced a blend known as "Digestive". After the second world war, however, the Ministry of Food would not allow Digestive as a trade description of tea, so Brooke Bond changed the name to PRE-GESTEE with, on the label, a disclaimer to the effect that "Brooke Bond do not claim any medicinal, nutritional or dietary value for their tea." '
'Brooke Bond first launched PG tips in 1930.
Today the brand is established as one of the UK's number 1 tea brand and is a market leader in the UK tea bag market.
In the 1930s tea was sometimes sold on its medicinal properties - indeed, one blend had become successful through a campaign directed towards doctors and nurses and was even sold in chemist shops. Tea was deemed to be an aid to the digestion.
To challenge this competition, Brooke Bond introduced a blend known as "Digestive". After the second world war, however, the Ministry of Food would not allow Digestive as a trade description of tea, so Brooke Bond changed the name to PRE-GESTEE with, on the label, a disclaimer to the effect that "Brooke Bond do not claim any medicinal, nutritional or dietary value for their tea." '