I don't know what vitamin is good for hair but I read a clinical study a while back that said Almonds were good for your hair...
It might be Vitamin E... but I'm not sure
try taking a health supplement based on seaweed or kelp (a type o f seaweed). Kelp is proven to help improve your hair's texture and health - did you ever notice how soft an shiney the Japanese's hair is??!!
Try Colloidal Silica, it's a mineral but its really good :)
Sunshine is the best provider for vitamin D, sunshine on your head will keep a full head of hair.
Traditionally, Vitamins B6 & B12 are best, but also Vitamins A, C, and E which are good for hair skin and nails.
Biotin and all the B's
Biotin. It works great for nails as well.
Biotin
Biotin
Have a poo regularly
Vitamin E and B are good for both hair and nails and helps your hair to grow faster, stronger and much healthier.
you can have foods high on vitamin k
All vitamin B's help to maintain skin, hair, eye, and liver health. When combined with azelaic acid, vitamin B6 can help accelerate hair growth. http://www.ehow.com/facts_5714321_vitamin-b6-hair-growth_.html
The best vitamins for hair growth are the B vitamins. They are usually found in whole grains, fresh fruit, eggs, fish, turkey, meat, and milk. Vitamin E is good for hair loss.
Vitamin E is good for hair, skin and nails, but too much of it can be fatal.
The vitamin A found in carrots, is very good for both ones vision as well as hair.
Everyone has heard of the benefits of vitamin C in preventing colds. But did you know it's also a good vitamin for your hair? Eat lots of citrus fruits, kiwis, strawberries, pineapples, tomatoes, and green and red peppers, and you'll never have a deficiency in this nutrient.Read more at Suite101: Vitamins For Hair Growth: Healthy Hair Requires Good Nutrition | Suite101.comhttp://suite101.com/article/vitamins-for-hair-growth-a60366#ixzz248ei5GXw
Vitamins B,C, and E are ideal for hair growth. Vitamin C helps prevent breakage, while vitamin B helps create protein for your body. And vitamin E prevents hair loss
vitamin e or raw eggs or lemon juice
Vitamins that contain biotin and folic acid are good to use to make your hair grow faster. Other vitamins that help include vitamin A, Vitamin C, and iron.
Healthy food is the main source of vitamins to your body. Hence it is important to maintain proper diet for shiny and healthy hair. These vitamins for hair can indeed provide longest, thickest and fastest possible hair growth. I have known vitamin B&C as good for hair growth, also vitamin B7 or vitamin H have shown as essential for hair growth.