Parasites can bring on many weird cravings - from sweets to alcohol. If you get heartburn - drink more plain water to dilute the herbs. The MC counts as water - not food - so you can include it into your daily 2 quart minimum.
The Hu-Mana-Tea must be taken on an empty stomach - it will make you sick if it is taken with food. I think you should wait until you are back on some solid foods before starting your Hu-Mana-Tea. It is very powerful and will remove many toxins - but you will also need to give your body food for strength and energy during the detox.