glutathione increases libido levels in patients with erectile dysfunction, with or without diabetes mellitus - TAGLIABUE - 2005 - International Journal of Andrology Effect of N-Acetylcysteine on Sleep:
Description
Mechanisms of ascorbic acid stimulation of norepinephrine synthesis in neuronal cells

Individual and combined coatings of chitosan and carnauba wax with oregano essential oil to avoid water loss and microbial decay of fresh cucumber

Int J Mol Sci 21:21:5737

Plant-based options like CollaGEMV work well for people who avoid animal products

R.MohammedY
