l carnitine for long distance running L-carnitine can boost your endurance... But give it time Carnitine produces energy and is important for heart and brain function L-Carnitine Tartrate Amino Acid 1,500

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Tang et al

1991 (landmark Italian trial): A double-blind, placebo-controlled trial involving 130 patients with Alzheimer's disease demonstrated that one year of ALCAR treatment resulted in a slower rate of deterioration compared to placebo across 13 of 14 outcome measures, including significant improvements in the Blessed Dementia Scale, logical intelligence, verbal critical abilities, long-term verbal memory, and selective attention [5][17]

In vitro post-oxidative stress glaucoma was controlled by carnitine through reducing pathologic optic-disk excavation, typical cell stress markers such as caspase 3 and ubiquitin, inducible nitric oxide synthase, and glial fibrillary acidic protein expression [70]