Skin brightening from melanin regulation is a gradual, cumulative process visible change typically requires 8-12 weeks of consistent daily use, not days or even 2-3 weeks
[55] reported that L-Theanine stimulated the expression of CAT1 ( solute carrier family 7 member 1 , SLC7A1 ), b 0,+ A ( solute carrier family 7 member 9 , SLC7A9 ), ASCT2, TAT1 ( solute carrier family 16 member 10 , SLC16A10 ), and EAAT3 ( solute carrier family 1 member 1 , SLC1A1 ) in the intestinal tract of mice, yet it remains unclear whether these transport carriers are implicated in the transport of L-Theanine (Figure 2)
In medical and wellness applications, synthetic peptides are used for specific therapeutic effects
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Antioxidant A substance that protects cells from damage caused by harmful molecules called free radicals
Ba, 2018)