Increase water definitely helps. Diet plays a big role. Supplements like those mentioned help for sure, I also take Soy free sunflower Lecithin (Soy has estrogen and is thought not to be best for men trying to do pe, hence why I take the soy free version. It’s harder to find sometimes, I too have it in the “now” brand”. I don’t think it increases pre cum a lot, but Defiantly effects volume which I love.
Start: Nov. 2017 - FL: 3.5", FG: 4", BPEL: 6.813, EL: 6.25", MSEG: 4.75"
Current: Feb. 2018 - FL: 4.75", FG: 4.625", BPEL: 7.375", EL: 6.8125", MSEG: 5.25"
Short term: NBPEL: 7"x5.25" - Ideal: NBPEL: 7.5"x5.5" - Dream: NBPEL:8"x6"