l carnitine heart failure The Role of L-Carnitine in Kidney Disease and Related Metabolic Dysfunctions Usefulness of Carnitine Supplementation for

doi: 10.1186/s13099-016-0146-9

10.1038/s41467-019-13014-7

Vitamin B12 injections are said to be effective at increasing blood levels of B12, preventing or reversing deficiency of the same

Besides, after taking L-theanine-containing beverage, the subjective stress response of 34 healthy adults aged 1840 who were subjected to a multitasking cognitive stressor was significantly decreased, and the response of salivary cortisol to stressors was also decreased after positive treatment (68)

The agitation from vigorous shaking creates mechanical forces that can break peptide bonds, so gentle handling of the vial at all times protects medication effectiveness

doi: 10.4103/2230-8210.163172