Schneck K, Urva S
It means the agency did not have reliable human data showing what exposure they produce, whether they help, how often adverse effects occur, or how product variability affects results
You can help to regulate your mood and mental health better with a boost of vitamin b12 where there is a natural increase in levels of mood-regulating brain chemicals such as serotonin and dopamine

Store in a cool, dry environment away from direct light Keep vial tightly sealed when not in use Avoid exposure to heat, moisture, and humidity Store under stable temperature conditions Handle in a clean, controlled environment to prevent contamination Use appropriate laboratory protective equipment (gloves, eye protection) during handling Avoid repeated temperature fluctuations Store in a cool, dry environment away from direct light Keep vial tightly sealed when not in use Avoid exposure to heat, moisture, and humidity Store under stable temperature conditions Handle in a clean, controlled environment to prevent contamination Use appropriate laboratory protective equipment (gloves, eye protection) during handling Avoid repeated temperature fluctuations All products offered by US Amino Labs are intended strictly for laboratory research and analytical use only
Xue, X.-C., Wu, Y.-J., Gao, M.-T., Li, W.-G., Zhao, N., Wang, Z.-L., Bao, C.-J., Yan, Z., & Zhang, Y.-Q