If you havent recently eaten when taking L-theanine, you may feel the effects a bit more quickly and intensely (similar to drinking caffeine with a meal versus on its own/on an empty stomach)
For example, high-dose biotin supplementation can interfere with certain lab tests used to monitor peptide therapy
BCAA, Branched-Chain Amino Acid
Peaux hyperpigmentes
doi: 10.3390/ijms21186973
Concluding remarks The levels and compartmentalization of NAD + dictate energy state that impinges on normal physiological and biological responses, as indicated by the regulatory role of NAD + in proper redox homeostasis, genomic stability, gene expression, circadian clock, inflammation, metabolism, cellular bioenergetics, mitochondrial homeostasis and adaptive stress responses