Doctor's Best Acetyl L Carnitine, 500 mg, 60 Veggie Caps 26 Plus Brain Foods to Boost Focus and Memory I've worked with patients who have regained their natural hair color after going gray. Not because of a dye, but because we addressed cellular health. Gray hair is closely tied to mitochondrial Your mitochondriathe tiny powerhouses in your cellsare essential for energy, metabolism, and overall vitality. Here are my top supplements and nutrients to boost mitochondrial health: Coenzyme Q10 (CoQ10): Vital for ATP