Can tryptophan supplement intake at breakfast enhance melatonin secretion at night?

Tryptophan (TRP) is an essential amino acid, and it has been suggested that TRP intake at breakfast combined with daytime bright light exposure can increase nocturnal melatonin secretion. However, the mechanis...

Source: Journal of Physiological Anthropology - February 28, 2017 Category: Physiology Authors: Shunsuke Nagashima, Makoto Yamashita, Chiaki Tojo, Masayuki Kondo, Takeshi Morita and Tomoko Wakamura Source Type: research