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These ingredients may provide complementary support for some patients, though individual responses can vary

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Efficacy of melatonin for sleep disturbance in middle-aged primary insomnia: a double-blind, randomised clinical trial

In an initial attempt to transform the highly active AngIV analog, Nle 1 -AngIV, into an effective drug, we evaluated the procognitive activity of a series of C-terminal truncated peptides derived from Nle 1 -AngIV (Benoist et al., 2011)