Best to join the facebook group - smashing people from all over the world. And as you can guess - other things regarding MS gets talked about as well as the Biotin. The group is called Biotin for Progressive MS. Click onto the files section for all the advice.
Many of them have mentioned that the blood flow to their feet/legs has improved a lot. But also several of the men have noticed other benefits of increase in blood flow.
l have warm hands for the first time in 33yrs. More energy and strength. And l am also taking thiamine as well as biotin - both B vits - Biotin is B7 - Thiamine is B1.
Lots to look at and read to discover for yourselves on the facebook group. Many from here are on it.