The Dalai Lama, who lives under tight security in Dharamsala, said in an interview to the Sunday Telegraph that his aides had not been able to confirm the reports, but they had highlighted his need for high security.
"We received some sort of information from Tibet. Some Chinese agents training some Tibetans, especially women, you see, using poison the hair poisoned, and the scarf poisoned they were supposed to seek blessing from me, and my hand touch," the 76-year-old Nobel laureate said.
Dalai Lama, who will be in London tomorrow to receive the Templeton Prize at the St Paul's Cathedral, said suspicion of Chinese interference in finding his reincarnation following his death meant he may be the last Dalai Lama and that Tibetans could decided to abandon the institution.
He confessed in the interview that he sometimes struggles to control his own temper.
He said: "Advisers, secretaries, other people around me, when they make some little, little mistake, then sometimes I burst. Oh yes! Anger and shout! Oh! And some harsh words.
But that remains a few minutes, then finished." The Dalai Lama fled Tibet along with many of his supporters and took refuge in India when Chinese troops moved in and took control of Lhasa in 1959.