The hair cycle normally consists of growing, resting and falling hairs and there is a delicate balance between these stages of hair cycle. Normally hair should re-grow but if it is not happening, you should consider seeing a dermatologist.
Further information is in the following weblink
https://www.aad.org/public/diseases/hair-and-scalp-problems/hair-loss
Each supplement deserves reasoning to be taken, omega 3 serves some specific purposes. It is a good idea to rotate supplements every 2 months if you are not sure so that you derive benefits from all.
Next Steps
Your dermatologist will decide a treatment plan for you after a consultation.
Health Tips
Apply Sunscreens regularly.