DMAU (dimethandrolone undecanoate )
Early Study of Male Birth Control Pill Finds it's Safe and Effective. A new study found a once-daily pill was effective in lowering hormones required for sperm production. ... The new pill, known as DMAU for its chemical name, dimethandrolone undecanoate, is similar to the female birth control pill.
RISUG (Reversible inhibition of sperm under guidance)
Reversible inhibition of sperm under guidance (RISUG), formerly referred to as the synthetic polymer styrene maleic anhydride (SMA), is the development name of a male contraceptive injection developed at IIT Kharagpur in India by the team of Dr. Sujoy K Guha.
VasalgelTM is a long-acting, nonhormonal contraceptive with a significant advantage over vasectomy: it is likely to be more reversible. The procedure is similar to a no-scalpel vasectomy, except a gel is injected into the vas deferens (the tube the sperm swim through), rather than cutting the vas (as is done in vasectomy). If a man wishes to restore flow of sperm, whether after months or years, the polymer is flushed out of the vas with another injection.https://www.medscape.com/viewarticle/775627
EP055 is a small organic compound electrically hyper-polarizes a sperm cell membrane, disabling the sperm’s normal functions.
Avoid this, right?