[Nature of ingredients].
Polyamines ( found in breast milk immediately after parturition and involved in cell growth and proliferation. Decreases with age.) Intermediate in synthesis. Neurotransmitter that dilates blood vessels and increases blood flow. In the USA, it is distributed as a supplement during muscle training.
In addition, many findings relating to ageing and brain function have been produced and their effects are being studied worldwide.
Sake contains more agmatine than other liquors, such as wine and beer, and therefore more of it will remain in sake lees.
It is produced by rice malt, yeast and bacteria during the brewing process, and yellow yeast (Japanese koji mold) used in the brewing of sake in particular is believed to have the ability to produce agmatine using arginine as a substrate.
...fermented foods such as Korean miso.
Supplements for muscle training (*primarily in the USA).
'Hacco to go!'
Japanese fermentation in Japanese bellies.