Yes. I've been taking supplements for my hair for years.
Although I have a list of all the great things I should be taking for my hair, to stop and buy them all individually would take forever and cost a fortune.
I've been taking a hair vitamin you can buy on Amazon and it includes the amino acids, all the hair nutrients and herbs. It's not inexpensive, but it works for me and many of my friends who have long hair.
Ultimately everyone needs to decide for themselves whether they should take a special hair vitamin or just amp up their regular daily formulas.