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L-theanine is a naturally occurring amino acid found in green tea and some mushrooms
Both collagen and glutathione support healthy aging, but they work differently
Journal of internal medicine 278, 16673 (2015)
Sleep disruption changes the microbiome, as is shown in experiments where alterations in gut bacterial profiles were found in mice with circadian rhythm mutations or rats with chronic sleep deprivation (Chandra et al., 2023)
Bioelectromagnetics 39 (8), 595603
The results showed that 15 g ID glutamine significantly enhanced GLP-1 and glucagon concentrations with modest increments in insulin levels and phasic pyloric pressures in both groups [36]
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