too much l carnitine causes Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health L-Carnitine
Description
Smaller studies estimated average daily intakes of pantothenic acid to be between 4 and 7 mg/day in adults

Age-associated mitochondrial oxidative decay: Improvement of carnitine acetyltransferase substrate binding affinity and activity in brain by feeding old rats acetyl-L-carnitine and/or R-?-lipoic acid

Vitamin C: a wound healing perspective

L-Theanine First discovered in 1949 as an important constituent of green tea, L-Theanine is an amino-acid analogue of L-Glutamate and L-Glutamine (Proteinogenic amino acids)

[DOI] [PubMed] [Google Scholar] 121.Tam J., Nash E.F., Ratjen F., Tullis E., Stephenson A

This is further supported by improved outcomes in the matched cohort comparisons within the study group relative to the control group
