I stumbled on this and thought its worth sharing here. If I'm reading this right, taurine can inhibit LH (& testosterone) at the HPTA much like melatonin, at least in vivo & rats. I have been taking magnesium taurate 3x day... might be worth switching to mag glycinate just in case.
Effects of taurine on basal and stimulated luteini...[Brain Res. 1994] - PubMed Result
Effects of taurine on basal and stimulated luteini...[Brain Res. 1994] - PubMed Result