Please have your Thyroid levels checked. Those are the same symptoms I had and found out in November of 2022 that I have Hashimoto’s with Hypothyroidism. My hair was falling out, I had low energy and terrible brain fog! If you have a. General Practitioner, ask them to do a Thyroid Panel and have your TSH, TPO Antibodies, T3-Free and T4-Free levels checked. I have a sneaky suspicion it’s your Thyroid and it’s probably low. Wishing you all the best.

Have you tried increasing your protein consumption?

Check for Lupus SLE and Sjogren’s, MECFS MCAS and pots. All of these diseases can be triggered by the Covid vaccine and Covid itself. I never got COVID but got all of these syndromes 4 days after the shot. Took 4 years to get the lupus dx. Seeing specialists is a slow process here in Canada and not all of them are created equal once you do get in to see one. But have your dr test your ANA at least that will set you up to know if there is possible autoimmune stuff going on. See a rheumatologist 👌