l carnitine alpha lipoic acid BioCare Acetyl & Acid, 30 Capsules Acetyl L-Carnitine Free Form 400
Description
I am also on a small daily dose of levothyroxine

The C-terminal domain constitutes the substrate-binding site (H-site) and is composed of amino acid residues from the carboxyl terminus, capable of binding various substrate [10,11,12]

It has been studied for its neuroprotective properties, ability to regulate neuronal gene expression, and potential to improve cognitive performance
But its an important sign of prior injury

Patra KC, Hay N

[1] In red blood cells, at sea level, 2,3-BPG is found in concentrations close to that of hemoglobin (Hb), about 5 mM
