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What is L-theanine, and what is it used for? L-theanine (also called theanine or sometimes r-glutamylethylamide) is an amino acid that impacts nerve impulses...
During the pandemic, one vitamin really came into the spotlight: vitamin D. With many eyes on various supplements, vitamin D stood out as researchers...
Egg yolks are another fantastic source of vitamin D. One large egg yolk contains around 37 IU of vitamin D. While they may not...