For the past 3 months, I have unknowingly been taking a supplement that can lead to PFS. That supplement is saw palmetto. Australia's leading vitamin supplement company, Swisse, has a product called Men's Ultivite. Each MU pill contains 200mg of saw palmetto. This dosage is HIGHER than what is usually found in even straight-up saw palmetto capsules (around 160mg). Please don't make the same mistake I did and take Swisse, and always read through labels very carefully.