Some had bacterial contaminants
Trends Biochem Sci 35:505513 Heitzer T, Finckh B, Albers S, Krohn K, Kohlschutter A, Meinertz T (2001) Beneficial effects of alpha-lipoic acid and ascorbic acid on endothelium-dependent, nitric oxide-mediated vasodilation in diabetic patients: relation to parameters of oxidative stress
Additionally, DOPA decarboxylase (DDC) enzyme inhibitors, dopamine agonists (DA), monoamine oxidase B (MAO-B) inhibitors, catechol-O-methyl transferase (COMT) inhibitors, and centrally acting anticholinergics are employed to modulate dopaminergic/cholinergic signaling and improve quality of life
Liu J, Khan S, Hu Y et al (2023c) Physiological mechanisms of exogenous organic acids to alleviate aluminum toxicity in seedlings of mungbean, buckwheat, and rice