Generally ayurveda doctors prepare medicine and prashan for personal patients. If doctor is good and reputed then you really have no need to worry. Generally such prashan are better than those gmp certified because such doctors don't add preservatives and use good quality ingredients.
Next Steps
If doctor is good, then go for it
Health Tips
or you can chat with me as i also prepare many ayurvedic formulations. i can courier you as per your demand