Athletes should be especially careful
Melatonin effects on behavior: possible mediation by the central GABAergic system
Skin, Recovery, And Aesthetic Uses In aesthetic and performance settings, glutathione injections may be used to: Support skin brightness and more even tone Decrease the appearance of hyperpigmentation and fine lines Help athletes and active individuals recover from intense physical stress In some protocols, stress- and mood-focused support, such as kanna nasal spray theanine or theanine nasal spray with GABA, is layered alongside injections to support mental clarity and emotional balance during demanding phases of training or recovery
doi: 10.1093/rheumatology/ket447 157 FechtnerSSinghAKSrivastavaISzlenkCTMuenchTRNatesanSet al
It may, however, contribute to depressive symptoms when environmental toxicants, alcohol, medications, gut-derived compounds and normal metabolic waste create more oxidative and inflammatory burden than the body can safely manage