 [ 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 try reading up about cayenne or cayennepepper google it like that then put cayenne and cholesterol in the search box you can also look up parsley for cholesterol and your find if you mix parsley and garlic together then you now have another way these are 3 things i know of as i take all 3 and have read the facts about all 3 and just what they can do good luck