Hi.. Welcome to HEALTHCARE MAGIC.. I have gone through your query and can understand your concerns.. As per your complain Androgenic Aloepecia also known as Pattern Baldness occurs commonly due to androgenic hormones that damages hairfollicles and cause hairloss.. Hairfall can also occur due to other causes like Fungal infection, nutritional deficiency, stress, long standing diseases, side effects of certain medications etc.. As you are interested in known certain details I will answer them in order you asked them: 1.Follihair is nutritional supplement containing Biotin,amino acids, vitamins, minerals and can be taken once a day as it will coner up for nutritional deficiency if any present and help in improving hair growth.. It does not cause any serious side effects.. 2.Diet: You should take more of green leafy vegetables, fruits and plenty of water in your diet.. Eggs are also good source of protein and can be beneficial if you are non vegetarian.. 3.yes, you can go for serum ferritin and Vitamin B12 levels and hormonal assy done for checking for nutritional and hormonal disturbances.. Along with it you can be advised Finesteride if you have pattern baldness and it will suppress andrgens and reduce hairfall. Minoxidil lotion can be advised and it will help in reducing hairfall.. Massage the scalp with olive oil or warm coconut oil.. Hope this information helps.. Thanks and regards. Dr.Honey Nandwani Arora.