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What's commonly discussed — for how you want to feel.
Browse curated nutrients, compounds, supplements and foods by the feeling they come up around. Nothing here says anything works — just what people talk about, with the state of the research shown as-is.
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Commonly discussed for Focus · 29
Clear filtersAttention, mental clarity, and staying on task.
A short daily session of guided breathing or mindfulness. Commonly discussed for stress, anxiety and focus.
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CacaoFoodThe bean behind dark chocolate — a concentrated source of polyphenols, theobromine, and magnesium.
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A stimulant found in tea, coffee, and cacao. One of the most studied compounds; commonly discussed in relation to alertness, and — when taken later in the day — sleep.
One of the most studied supplements. Commonly discussed in relation to strength and recovery, and more recently in relation to mental energy and focus.
A marine omega-3 fatty acid that is a major structural fat in the brain and eyes. Commonly discussed with focus and long-term brain health.
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A concentrated source of the omega-3 fatty acids EPA and DHA. Commonly discussed in relation to mood and focus.
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NutsFoodTree nuts provide vitamin E, magnesium, fiber, and (in walnuts) plant omega-3.
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A form of the amino-acid-derived compound carnitine, sold as a supplement.
A creeping marsh herb (Bacopa monnieri) used in Ayurvedic tradition and sold as an extract.
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Polyphenols concentrated in green tea and matcha. Often discussed in relation to antioxidant interest and alertness.
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An amino acid found mainly in tea leaves. Often discussed in relation to calm focus, especially alongside caffeine.
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An amino acid the body makes and also obtains from protein-rich foods; sold as a supplement.
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MatchaDrinkPowdered green tea, concentrated in catechins and L-theanine.
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An amino acid found naturally in the body and in seafood and meat; also added to some drinks and sold as a supplement.
An extract of the leaves of the Ginkgo biloba tree, one of the oldest surviving tree species.
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The root of Panax ginseng, a plant long used in East Asian herbal tradition and sold as a powder, tea, or extract.
A functional mushroom commonly discussed in relation to focus and cognition. Human research so far is limited.
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An adaptogenic herb commonly discussed in relation to fatigue and mental performance under stress. Human research is limited.
A gentle stimulant related to caffeine, found mainly in cacao. Often discussed in relation to mood and mild alertness.
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A supplement form of Alpha-GPC, a choline-containing compound, taken as capsules; a popular nootropic-stack ingredient.
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Black teaDrinkAn oxidized tea brewed from Camellia sinensis. Contains caffeine and the polyphenol theaflavins.
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A supplement form of the nutrient choline, sold as choline bitartrate and often included in nootropic products, taken as capsules or tablets.
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A supplement form of citicoline (CDP-choline), a choline-containing compound, taken as capsules; a popular nootropic-stack ingredient.
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CoffeeDrinkA brewed beverage from roasted coffee beans. Contains caffeine and the polyphenol chlorogenic acid.
Green teaDrinkAn unoxidized tea from Camellia sinensis. Contains caffeine, the amino acid L-theanine, and catechin polyphenols such as EGCG.
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A supplement form of L-theanine, an amino acid found in tea, taken as capsules or tablets and sometimes paired with caffeine.
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A supplement form of phosphatidylcholine, a phospholipid and source of choline, taken as softgels or capsules.
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A supplement form of phosphatidylserine, a phospholipid, taken as softgels or capsules; used in some nootropic products.
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WalnutsFoodA tree nut with a distinctive folded shape. A dietary source of alpha-linolenic acid (a plant omega-3 fat), manganese, and copper.
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