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Beyond its role in serotonin synthesis, tryptophan plays a central role in the kynurenine pathway, a metabolic pathway critical for the production of nicotinamide adenine dinucleotide (NAD+), a molecule essential for ATP generation in cellular metabolism (Savitz, 2020) (Figure 5)
PIP 3 then activates Akt (Protein Kinase B), initiating various metabolic processes: GLUT4 translocates to the cell membrane to facilitate glucose uptake, glycogen synthase kinase 3 (GSK3) is inhibited to promote glycogen synthesis, and FOXO1 is phosphorylated, which reduces gluconeogenesis
Symptoms include persistent redness, breakouts, and worsening skin quality
Great for minimizing the apperance if age spots & sun damage
A: Yes, very safe
