does l carnitine raise cholesterol Mechanism of L-carnitine deficiency in maintenance hemodialysis Differential effects of oral and

doi: 10.1007/s00262-019-02457-y 52 MarijtKASluijterMBlijlevenL

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The survey data were tested by chi-square test and it was concluded that the prevalence of MCI was lower in occasional tea drinkers, which may be related to the caffeine and catechins contained in tea, caffeine can reduce the level of A in the brain, which is beneficial for improving cognitive function, while catechins have strong antioxidant capacity, but the study did not prove the relationship between tea drinking and AD prevalence

This is not supported entirely by in-vitro studies, with evidence both for and against its effectiveness 20,21