On a mostly-plant and a few fish diet: I supplement zinc on an empty stomach, and 750mg EPA+(a little DHA) Omega 3 oil early in the day and find both aid focus,

On a mostly-plant and a few fish diet: I supplement zinc on an empty stomach, and 750mg EPA+(a little DHA) Omega 3 oil early in the day and find both aid focus, the second more directly. https://news.ycombinator.com/item?id=24696601 https://news.ycombinator.com/item?id=24696601 https://www.healthline.com/nutrition/7-supplements-for-vegans#3.-Long-chain-omega-3s https://www.healthline.com/nutrition/7-supplements-for-vegan...