One study tested the effects of L-theanine on brain waves 45, 60, 75, 90 and 105 minutes after ingestion of 50 milligrams of L-theanine
Cultures were pulse-labeled with 10 M BrdU (a nucleoside analog that competes with thymidine for incorporation into DNA) in DMEM-10% HS for the final 2-h period of 48-h in culture, followed by immunocytochemistry for detection of BrdU using G3G4 anti-BrdU mAb (1:100 dilution) and HRP-conjugated anti-mouse IgG Ab (1:500 dilution)
[PubMed] Goldstein AL, Kleinman HK
Skin lightening, skin whitening or fairness treatment
For example, people who maintain a vegetarian or vegan diet, people with absorption disorders, and those taking prescription meds like Metformin, Proton Pump Inhibitors (PPIs), and H2 blockers like Pepcid are often at greater risk