Provillus side effects seem quite minimal or even positive. As with any vitamin and supplements for hair loss or any other purpose, it’s possible to have an allergy to them. So when you first start taking Provillius, be on the look out for reactions. It could be that one of the elements in the supplement cause a reaction, therefore you might switch to vitamins not in mixes. You can buy the elements of Provillus individually.
But seriously – allergic reactions can be deadly. If you’re a person sensitive to herbs and supplements, be really aware of what your body is telling you. Yes, vitamins and supplements are natural remedies for hair loss, but that doesn’t mean you still can’t have some sort of reaction to them!