With respect to supplements... I can relate to what you describe and I tend to think it's not just based on chemistry. That being said, on different occasions,

With respect to supplements... I can relate to what you describe and I tend to think it's not just based on chemistry. That being said, on different occasions, I felt a dramatic boost when taking magnesium + zinc + B cocktail. I guess it means I was deficient in those. Who know is you aren't...