Small mammals that are herbivores, such as rabbits, chinchillas, and guinea pigs often do well with oral suspensions or gels/pastes that can be smeared on food
He said in a 2022 podcast that it's basically all geared towards "trying to be as unstimulated as possible before going to bed," and getting as much restful, restorative, deep sleep as possible
By protecting the mitochondria (the powerhouses of your cells) from damage, cysteine ensures that your cells have the energy they need to perform repair work while you sleep
doi: 10.6061/clinics/2013(sup01)08 106 HuangWJLuXLLiJTZhangJM
Approximately one-third of collagen is glycine, so adequate glycine may support collagen synthesis and may aid joint, tendon, and ligament repair or maintenance Will Glycine Injection improve sleep or mood