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Commonly discussed for Fatigue60
Clear filtersDaytime energy and tiredness.
Moderate aerobic movement most days: a brisk walk, cycling, or similar. One of the most-studied habits for mood, sleep and daytime energy.
Going to bed and waking up at about the same time every day, including weekends. Commonly discussed for sleep quality and daytime energy.
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 drink mix providing electrolyte minerals such as sodium and potassium.
A mineral the body uses to carry oxygen in the blood. Found in red meat, shellfish, beans, and leafy greens; often discussed in relation to energy and tiredness.
An electrolyte found in avocado, lentils, and many plants, essential for fluid balance and muscle function.
Strength work with weights, bands or bodyweight, twice a week or more. Commonly discussed for mood, sleep, recovery and energy.
A vitamin involved in red blood cell formation and nerve function, found almost only in animal foods such as meat, fish, eggs, and dairy.
A water-soluble antioxidant vitamin needed for collagen formation. Commonly discussed with skin and general resilience.
A fat-soluble vitamin made in skin with sunlight and found in oily fish. Well established for bone health; often discussed with mood and energy.
A form of the amino-acid-derived compound carnitine, sold as a supplement.
The root of a Peruvian plant (Lepidium meyenii), usually dried and sold as a powder.
Getting outdoor light within an hour or two of waking, without sunglasses. Commonly discussed for circadian timing, sleep and mood.
Nicotinamide adenine dinucleotide, a coenzyme present in all living cells; sold as a supplement and often discussed alongside its precursors.
A supplement form of nicotinamide mononucleotide (NMN), a compound the body can use as a building block for NAD+ (nicotinamide adenine dinucleotide). Taken as capsules, tablets, or powder.
Pyrroloquinoline quinone, a compound found in small amounts in foods such as fermented soy and green vegetables; sold as a supplement.
An amino acid found naturally in the body and in seafood and meat; also added to some drinks and sold as a supplement.
A compound the body makes and that is also found in meat and fish; sold as a supplement in ubiquinone or ubiquinol form.
The root of Panax ginseng, a plant long used in East Asian herbal tradition and sold as a powder, tea, or extract.
A compound the body makes from amino acids and that is also found in red meat; sold as a supplement.
Eating within an 8-hour window and fasting for the remaining 16. Commonly discussed for weight and energy; trials so far show modest effects driven mostly by eating less.
An amino acid involved in cellular energy metabolism, found in small amounts in fermented foods. A newer topic often discussed with energy.
Ending a shower with 30–90 seconds of cold water. Commonly discussed for alertness, mood and recovery; the evidence is thin.
A botanical supplement category made from Rhodiola rosea, commonly supplied as a dried root or extract.
Beef kidneyFoodThe kidney of cattle, an organ meat used in stews and pies; a source of vitamin B12, riboflavin, selenium, iron, and vitamin B6.
Beef liverFoodThe liver of cattle, an organ meat pan-fried or made into pâté; a source of vitamin A, vitamin B12, riboflavin, folate, copper, choline, and iron.
BisonFoodThe lean red meat of the American bison (buffalo); a source of protein, iron, zinc, vitamin B12, and selenium.
A breakfast cereal with vitamins or minerals added during manufacture. Added nutrients and amounts vary by product and market; check the product label and serving size rather than assuming every fortified cereal has the same composition.
Chicken liverFoodThe liver of chicken, an organ meat sautéed or made into pâté; a source of vitamin A, vitamin B12, folate, riboflavin, iron, and choline.
ClamsFoodEdible marine bivalves steamed, or added to soups and pasta; a notable source of vitamin B12, iron, selenium, manganese, and protein.
CoffeeDrinkA brewed beverage from roasted coffee beans. Contains caffeine and the polyphenol chlorogenic acid.
A supplement form of coenzyme Q10, sold as ubiquinone or ubiquinol, taken as softgels or capsules.
A supplement made from cordyceps, a fungus used in traditional East Asian preparations, taken as capsules or powder; a source of beta-glucans.
EelFoodAn elongated fish with rich, fatty flesh, grilled and glazed (unagi); a source of protein, vitamin A, vitamin D, vitamin B12, and vitamin E.
Energy drinkDrinkA sweetened carbonated drink formulated with caffeine and typically taurine and added B vitamins; a source of caffeine, sugars, taurine, and B vitamins such as niacin, vitamin B6, and vitamin B12.
The caffeine-free version of an energy drink: the same sweetened, taurine-and-B-vitamin formulation, made without any caffeine. A source of sugars, taurine, and B vitamins such as niacin, vitamin B6, and vitamin B12.
A concentrated carbohydrate gel or jelly-pouch used during endurance exercise such as marathon running or cycling, supplying fast carbohydrate on the move; some variants also contain added caffeine (check the label). An endurance-sport staple.
A single-serve jelly pouch of carbohydrate-based energy sold as a quick between-meal or on-the-go food; formulations vary and commonly add B-group vitamins.
A small single-serving tonic drink sold in Japan as a designated quasi-drug (指定医薬部外品), typically containing taurine, B-group vitamins, and often caffeine as registered active ingredients; formulations vary by product.
GuaranáDrinkGuaraná (Paullinia cupana), an Amazonian seed used as a powder and as the base of Brazilian sodas, energy drinks, and supplements; the seed is naturally rich in caffeine (historically called guaranine) along with theobromine and polyphenols.
HijikiFoodA dark brown seaweed simmered as a side dish in Japanese cooking; a source of iodine, calcium, iron, magnesium, and fiber.
A supplement form of the mineral iron, sold as ferrous salts or gentler iron bisglycinate, taken as tablets or capsules.
Jamu beras kencurDrinkA Central-Javanese jamu tonic drink of toasted rice, aromatic ginger (kencur, Kaempferia galanga), ginger, tamarind, and palm sugar. It is logged as one un-decomposed beverage and is traditionally taken as an everyday stamina refreshment; it carries ginger and tamarind.
A supplement form of the amino-acid-derived compound L-carnitine, taken as capsules, tablets, or liquid; also sold as L-carnitine L-tartrate.
MolassesFoodA thick dark syrup left after refining sugar cane or beet; a recognized source of iron, calcium, potassium, and magnesium.
The pods and leaves of the moringa (drumstick) tree used in South Indian cooking; a source of protein, calcium, iron, and vitamins A and C.
A supplement combining several mushroom species such as lion's mane, reishi, cordyceps, and chaga, taken as capsules or powder; a source of beta-glucans.
MusselsFoodEdible marine bivalves steamed in their dark shells; a source of vitamin B12, selenium, manganese, iron, and protein.
NettleFoodThe young leaves of stinging nettle, cooked to soften the sting for teas and soups; a source of iron, calcium, and vitamin K.
A supplement form of nicotinamide riboside (NR), a form of vitamin B3 that the body can use as a building block for NAD+ (nicotinamide adenine dinucleotide). Taken as capsules or tablets.
A supplement and food product made from deactivated yeast, providing plant protein and B vitamins such as thiamin, riboflavin, and niacin. Sold as flakes, powder, or as brewer's yeast tablets.
OctopusFoodA cephalopod mollusk simmered or grilled for its firm tentacles; a source of protein, vitamin B12, selenium, iron, and copper.
An amino acid involved in the body's urea cycle, found in foods such as shijimi clams and used as a supplement ingredient.
A supplement made from shilajit, a tar-like exudate collected from rock in mountain ranges such as the Himalayas; it is a source of fulvic acid and minerals. Taken as a resin, powder, or capsules.
SpinachFoodA tender leafy green eaten raw or cooked. A dietary source of vitamin K, folate, iron, and the carotenoid lutein.
VenisonFoodThe lean meat of deer, a game meat cooked as steaks or roasts; a source of protein, iron, zinc, vitamin B12, riboflavin, and niacin.
A supplement form of vitamin B1 (thiamine), a water-soluble B vitamin, sometimes sold as benfotiamine, a fat-soluble derivative. Taken as tablets or capsules.
A supplement form of vitamin B12, often as methylcobalamin or cyanocobalamin, taken as tablets, lozenges, or sublingual drops.