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People often think metabolism is only about diet and exercise, but in reality its shaped by many factors, including sleep, stress and everyday hormonal shifts, said Dr
The confusion is not your fault
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The microbiota-gut-brain axis
Aging (Reduced Synthesis Capacity) As you age, production of glutathione declines due to: Reduced activity of gamma-glutamylcysteine ligase (GCL) , the rate-limiting enzyme in glutathione synthesis Decreased cellular energy (ATP) to fuel glutathione recycling Lower levels of precursor amino acids (especially cysteine and glycine) Studies show glutathione levels drop 10-15% per decade after age 40 [3]
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