I have tear troughs and darkness under my eyes, I would like to do renuva, however I have a few questions. 1.Is it suitable for immunocompromised patients? I have colitis and autoimmune hepatitis and take infliximab and azathioprine. Both conditions are managed for years, without experiencing symptoms. 2. I know it is human derived, however is there other animal ingredients, and from what animal's (religious reasons) 3.what is the pricing like ?when will this product be available in Canada