take acetyl l carnitine before bed L-Carnitine 500 mg Capsules L-carnitine benefits, uses & dosage:

Vegan or vegetarian diet B12 is found almost exclusively in animal products

doi: 10.1002/mnfr.202000188 107 MizunoMMinatoK

This cognitive impairment can significantly impact work performance and daily activities

These effects occurred without inducing aversive states or altering metabolic rate, suggesting selective action on appetite and satiety circuits

NAD+ and glutathione naturally decline with age , contributing to cellular dysfunction, oxidative stress, and increased risk of chronic diseases like Alzheimer's, Parkinson's, and metabolic disorders

And of course, you still need to avoid too much exposure from sunlight