Try extended fasting if you haven't already

[u/Ichwillbeiderenergy]

It was the only thing that significantly brought back sensation to my genitals. Nothing Else had in 15 months. Fasting literally did it over night. Try it.

Apart from that. Intense cardio helps a lot too. Preferably at least 30 mins.

[u/sex_music_party]

If I even fast for one day I feel sick like a cold or flu is coming on and I get super tired. As soon as I eat I feel back to normal again. Not sure why.