I started a few months before on some vitamins after looking into it. Conceived the first month, although not sure if that’s the reason of course. I took the following:

(2 daily) Conception Men Fertility Vitamins – https://www.amazon.com/dp/B07BJM7V8H/ref=cm_sw_r_cp_api_glc_fabc_gqKbGbYNNMN97?_encoding=UTF8&psc=1

(4 daily=3,000mg) D-Aspartic Acid, https://www.amazon.com/dp/B07NZ7XXLW/ref=cm_sw_r_cp_api_glc_fabc_7rKbGbJPN4AC6?_encoding=UTF8&psc=1

(1,000mg) Vitamin C - https://www.amazon.com/dp/B0083H9W10/ref=cm_sw_r_cp_api_glc_fabc_puKbGb2SDWYNM?_encoding=UTF8&psc=1