l carnitine more plates more dates To optimize testosterone (or hormone health generally), focus on zinc L-Carnitine doesn't magically burn fat,

52 Inflammation also activates enzyme pathways that increase production of neurotoxins, alters signaling along neural networks by increasing glutamate release in the brain, and may contribute to decreased neuronal growth and plasticity by reducing production of a growth factor called brain-derived neurotrophic factor (BDNF)

In animals and humans, growth hormone (GH) is created and dispersed by cells in the pituitary gland, which helps regulate the bodys natural hormone levels for the endocrine system [3]

While not the only critical parameter relative to male fertility, higher numbers bode well for conception

Chopra I, Hawkey PM, Hinton M (1992) Tetracyclines, molecular and clinical aspects