Yes, both coffee and tea are allowed on OPTIFAST®. You should only consume 3-4 cups of tea and coffee per day, and remember to steer clear of milk, cream, and sugar. You also cannot drink alcohol while on the OPTIFAST® program.
OPTIFAST® doesn’t require a prescription since it is classified as a “food for special medical purposes”. You will need to see a special clinic, where a medical provider will assess whether or not the program is right for you.
According to the official website, most type 1 and 2 diabetics that are overweight or obese are eligible for the OPTIFAST® program. It can also adhere to the guidelines for gastric bypass surgery preparation.
This will be assessed during your initial consultation. Generally speaking, patients whose BMI is greater than 30 or BMI greater than 27 and less than 30 but with obesity related health issues will qualify.