> I’m … 5’6 and 184 pounds
This is a BMI of 29.7.
> The lowest I have ever been was 144 pounds
BMI 23.2.
> my goal weight has always been 120
BMI 19.4.
99 mg of potassium is way less than the recommended daily allowance. It’s unwise to risk developing a potassium deficiency, since people can die from running out of potassium.
Powerade Zero is a poor source of electrolytes; I’m not sure whether or not it’s possible to survive on Powerade Zero alone. Also, I doubt that it contains a complete set of vitamins and minerals.
I’m not very familiar with Pedialyte.
Your goal weight is very low. 150 pounds might be ideal; that way you’d have some extra protein stores which you can call on in case of illness. 125 pounds would be a reasonably-safe minimum for you.
A six-month fast is definitely not a wise idea. Even if you’re in a hurry to lose weight, it’s still safer to slow down somewhat, and to alternate periods of fasting with periods of eating.
You might want to read my safer-fasting guide and to try to revise your plan, to make it safer.
> multivitamin gummies
Gummy multivitamins tend not to be very complete, and the ingredient claims are often inaccurate. (Source.) They’re probably okay for people who don’t have any medical reason for wanting to take multivitamins.
But fasting is a medical reason for wanting to take multivitamins. So it would be wise for you to take tablets, if you’re able to swallow tablets, since they work more reliably than gummies.
You can order some Equate brand women’s multivitamin tablets from this link.