I'm getting on the Lion's Mane + B3 Niacin.
I'm doing a small dose and going up daily.
1/4 tsp Lion's Mane, about 690 mg I think.
1/80th tsp Niacin, 25 mg.
Others that I've tried... I think CoQ10 and Quercetin make a difference, but not that much.
After age 27 we lose systemic enzymes to...