And, in general, despite successfully increasing the amount of NAD + , high doses of NR, as an example, havent translated into the expected NAD+ benefits in metabolic health in humans.[51,52] In keeping with the Goldilocks principle and complexity science tenets, a more moderate dose, while also optimizing how NAD is made and used in the body, might be a more sound approach
The mTOR Pathway in Hearing Disorders: Mechanistic Links to Aging, Regeneration, and Neurodegeneration
[1] Beyond its well-known utility in peripheral nerve block and infiltration anesthesia, lidocaine injection is routinely used intravenously to blunt the sympathetic response to laryngoscopy, to supplement multimodal analgesia in gastrointestinal surgery
However, it is known that many prescription drugs and pain relievers such as Tylenol (acetaminophen) do place strain on the liver