Vendor COAs are a starting point
This is why time-based guidelines matter as much as visual checks
Our team has followed the science on this for years
L-theanine may improve sleep quality by promoting relaxation and reducing anxiety without causing drowsiness during the day
While two studies sourced their controls by community advertising [75, 86], most were sourced from hospitals, clinics or schools [71, 72, 77, 79, 83, 85, 88, 92, 93] and fourteen studies did not provide information on the source of their controls [48, 59, 60, 63, 6870, 73, 74, 76, 78, 81, 84]
This is especially important for people with active cancer, a history of cancer, or anyone receiving cancer treatment, since NACs relationship with cancer biology is complicated