i find high potassium foods can knock me back and make me feel tired

Have you tried eating protein foods like eggs, meat, cheese, nuts? Maybe, the smoothies are just too high in carbs and cause your blood Sugar to crash. Folks with low cortisol have low blood Sugar problems.

IOLITE

I'm going through the exact same thing, except I've pretty much figured out for myself what does it. The more difficult to digest the more energy drain I feel. Unfortunately this has placed fats at the top of my list of avoidance foods good & bad since they all drain my energy the same, it's all that much worse when I'm actually sensitive to the oil source.

Sugars & carbs initially don't do much but if I eat too much at once especially without thoroughly chewing then I notice about 30 - 60 minutes later I get a massive crash, which to me feels almost like a blood Sugar spike & drop. Hands & feet sometimes go cold as well.

I'm doing best with protein & vegetables, the only limitation with meat of course being the fat content but I find I'm still better with it in moderation than taking straight oils.

Just my experience but maybe its of some help to you.

I'm searching for answers, too, and found some good information on The Truth in Medicine forum. Stomach acid and intestinal flora seem to be key in a lot of things.

I had this same type of problem. I tried every possible diet, supplement, and detox method you can think of. I searched for over 10 years for an answer. I went through an extensive homeopathic sequence to desensitize myself from any foods I might be allergic to. I tried a standard doctor, several naturopaths, chiropractors, and a homeopathic clinic.

I had this problem for decades. It got to the point where my whole day was: eat-fatigue, eat-fatigue, eat-fatigue. It happened with every conceivable food I ate. What finally worked was mud packing. I had a scar on the underside of my chin from a car accident that happened when I was 5 years old. I mud packed the scar one time, and noticed I felt a bit better. Mud packed it two more times and REALLY felt better. Like I haven't felt since I was in my teens. This was with Quantum Nutrition Labs "Medi-Body Pack" mixed with their Gallbladder-ND liquid. You have to go through a mud packing sequence that starts with your hands and feet, then up until you finally can mud pack your neck then your face. I was really shocked at how effective it was. You can search the internet and find instructions for how to do this. You could probably call qnlabs to get advice as well.

The idea behind the mudpacks is that your biofield (same idea they use in acupuncture) is blocked with an "interference field". The interference field redirects ("reflexes") your energy in a bad way to other parts of your body. In my case the chin scar was reflexing to my stomach. The mud packing clears the interference field so your body can behave normally. Sounds weird, but it worked for me.

I've read that any kind of scar or injury on your torso from your neck on down can reflex to your stomach. I had to do a lot of exploratory mud packing to figure out where the problem was.