Human l-carnitine is found in the diet and also through endogenous biosynthesis
Clinical Benefits: Supports cellular energy production via the Krebs cycle and mitochondrial function Assists in the metabolism of carbohydrates, fats, and proteins Supports peripheral and central nervous system function Provides antioxidant protection against oxidative stress Supports immune function and recovery from illness May help address fatigue, low mood, and cognitive difficulties This combination is often recommended as part of a broader treatment plan for patients with chronic fatigue, nutritional deficiencies, or those who are not responding adequately to oral supplementation alone
L-theanine, an amino acid found in green tea that is being evaluated for potential benefit for some stress related symptoms as well as for cognitive function, was also added to the Category 1list
doi: 10.1128/aac.00721-22 104 EdrisA
Ren W, Wang K, Yin J, Chen S, Liu G, Tan B, Wu G, Bazer FW, Peng Y, Yin Y