Thank you for sharing your query on Healthcaremagic, I have carefully worked through your case and I think the Ayurwin nutrigrain is an excellent medicine to increase weight and improve your metabolism rate giving more energy naturally from the food, all components are natural extracted from plants and herbs, the side effects can occur if you are allergic to some components I kindly recommend you eat a high calorie diet several times a day, sleep more than 8 hours, limit your physical activity, don t smoke, don t drink alcohol or chemical substances, avoid stress and take vitamins supplements. Wishing you good luck getting the job Please kindly rate if my advise has been helpful Dr Tania Portelles-Driggs