B6 does help as does the herb mucuna pruriens (which is more effective). However, nothing is as potent as cabergoline. As far as lasting side effects are concerned, I have zero and none were shown in clinical trials. It has been used in parkinson\'s patients for years. The combo of cabergoline and PT-141 is great and very effective. The great thing about mucuna pruriens is that it also boosts dopamine in the brain and reduces SHBG (sex hormone binding globulin) which binds/cleaves to testosterone rendering it inactive. Most testosterone is bound by SHBG or is converted by aromatase into estrogen, DHT, etc. Free testosterone is what you are after. Stinging nettle root is also a potent SHBG binding herb. Mucuna pruriens is the herbal equivalent of cabergoline. I use it and love it (small amounts). Keeping all of your hormones optimized (testosterone (and it\'s metabolites), estrogen, DHEA, thyroid, growth hormone, etc) drastically effect erectile performance and libido. Eat healthy and exercise to keep blood flow in check and you are good to go. I too prefer the natural route and have managed to fully restore my T levels to that of my early twenties. Staying lean/trim/cut also reduces aromatase and boosts your T levels. For the first time in decades, at 39, I have a six pack and can f*ck like a machine. It has not been an easy journey but was well, well, well worth it. Put down your cell phone, get off the computer, stay away from plastics (xenoestrogens) and soy (phytoestrogens), take your shirt off and chase down a deer in the woods. Be a man. There\'s a reason that low testosterone is such an epidemic in today\'s society. Modern living turns most of us into a shadow of our former selves. Man wasn\'t created to live in a cubicle under artificial lighting only to come home and crash on the couch and eat potato chips and update Facebook status.