No don't take ensure protein daily basis please contact me for details because I need more information about you like height, weight,diet history , medical history and always you have a gastric issue follow home remedies fennel seeds after meal you can take with black salt.
For gaining weight follow three main thing like healthy diet,, exercise and walk early morning and evening which increase ur metabolism ,dont skip ur breakfast which increase ur appetite .
Take high calori and rich protein in ur diet .
Contact me for customised diet plan through Practo u will get good result definitely with also get relief ur gastric issues ..
Next Steps
u can check my feedback than connect me for coustamized diet plan .