Yes you can. You need to take whey protein (by whatever name it comes. But it should contain 80% whey protein in it. E.g. For 30 gms it should have atleast 24 grams (80%) of protein.) use it only on the day you gym (within 10 mins of exercise). Dose is 30gms.
Method of vitiligo treatment with melanocyl is very important because if took melanocyl taking extraprecaution of sun exposure as well as timing of expose of sunlight also important. Do not self medicatiom.
A photographic consultantion need for proper management of vitiligo. Its cure with appropriate treatments.
The itching could be due to tinea cruris that is a fungal infection of the skin. Keep the affected area dry, avoid tight fitting clothes, wear cotton underwear. Homoeopathic medicines will be beneficial in treatment of skin diseases. Consult in private chat window for further queries.