Hello to you user , multi vitamins are a myth and are required only in serious conditions or bed ridden condition .
If you eat essential amino acids which are proteins , you can grow your hair to required thickness.
Next Steps
start eating paneer , soya milk , spinach , lemon , beet roots , fish , chicken , eggs , sprouts on daily basis.
Health Tips
avoid eating junks , cold drinks . you an connect with me on chat to discuss your requirements and get a customized plan.