 [ Symptoms ] how can i produce more semen volume when i ejaculate does hypothyroidism affect testosterone levels  i am 55 years old and i do not produce as much semen volume when i ejaculate this is somewhat concerning to me i want to produce more or increase my semen volume i have hypothyroidism and i take synthroid 125mcg daily does low testosterone levels affect semen volume does hypothyroidism affect testosterone levels i am not dehydrated [ Disease ] hi here is some bits of info that i have put together for you this starts with hypogonadism hypogonadism – a condition that affects the production of the male sex hormone testosterone causing abnormally low levels an overactive thyroid gland hyperthyroidism – where too much thyroid hormone is produced an underactive thyroid gland hypothyroidism – where not enough thyroid hormone is produced 125 mcg synthroid so by taken this means that your thyroid is underactive this drug boosts it back up just like if your thyroid was working as normal as for seamen volume some guys produce around 10cc is or what some guys call the loving spoonful ring any bells there are a couple of herbs that may help increase your load trwo well know are muira puama and catuaba these are from south america and there used as a sex drink boosts sex libido and volume they say tongkat ali also helps volume but have a read up on this one it is the side effects hope something here helps you good luck