Hi. I'm Breastfeeding My 10 Week Old. Every Night Between

Hi. I'm breastfeeding my 10 week old. Every night between 2 and 5am he bears down in gassy pain. A friend suggested that I should stop taking fenugreek and see if it gets better. I stopped taking it 4 days ago. My milk supply has plummeted. I haven't seen an improvement with my baby. I'm less gassy though. How long until it clears my milk supply? If it's already clear, I want to go back on because breastfeeding has been very frustrating with no improvement for my baby. But if its not clear, then I want to stay off to see what's going on.