I got 50 free pens from a friend that had a script. I’ve always used slin pins doing 4 IU a day.
What mg is equivalent to 4 IU on these pens? It has a ton of different options when I twist it. Never used these.
Also, a ton of these expired in 2017 and 2018. Good to use or throw them out?
What mg is equivalent to 4 IU on these pens? It has a ton of different options when I twist it. Never used these.
Also, a ton of these expired in 2017 and 2018. Good to use or throw them out?