A milkshake containing a mix of nutrients needed to build new connections in the brain will go on sale today.
Said to reduce the symptoms of early Alzheimer's, Souvenaid costs £3.49 per 125 ml bottle.
Makers Nutricia claim that the once-a-day product has been clinically shown to improve memory in mildly affected patients.
More top news
David Cameron will try to convince MPs that Britain should be striking so-called Islamic State targets in Syria on Thursday.
Prince Harry has paid tribute to his mother, Princess Diana, and his nanny by naming buildings at a new African charity centre after them.
Strike action by doctors does not create a greater risk of patients dying, a new study has found.