Supplement Library
88 supplements with cautious, informational notes. Tap any item for timing, food notes, possible conflicts, and safety cautions.
Acacia Fiber
Evidence area: gut & digestion
A gentle, soluble prebiotic fiber commonly used for gut regularity; evidence is limited.
Alpha-Lipoic Acid (ALA)
An antioxidant compound commonly explored for general wellness; research on most uses is mixed.
Apple Fiber
Evidence area: gut & digestion
A fruit-derived fiber containing pectin, commonly used for gut regularity; evidence is limited.
Artichoke Leaf Extract
Evidence area: cholesterol support
An herbal extract discussed for digestive comfort and cholesterol support; evidence is limited.
Ashwagandha
Evidence area: mood & stress
An adaptogenic herb commonly explored for everyday stress and relaxation. Research is developing.
Directly affects thyroid function (too little and too much both matter)
Asian Ginseng (Panax)
Evidence area: energy & focus
An adaptogenic root with limited, mixed evidence; may lower blood sugar and commonly causes insomnia, so timing and diabetes-medication context matter.
Astaxanthin
A reddish carotenoid from microalgae explored for skin and healthy-aging routines; evidence is preliminary.
Bacopa Monnieri
Evidence area: brain & memory
A traditional herb commonly explored for memory support. Effects, if any, tend to build slowly.
Beetroot / Dietary Nitrate
Evidence area: exercise & muscle
A food-based source of nitrate commonly explored for exercise performance and circulation.
Berberine
Evidence area: cholesterol support
A plant alkaloid discussed in blood-sugar and lipid-wellness contexts; evidence exists but is of mixed quality, and cautions are significant.
Beta-Alanine
Evidence area: exercise & muscle
An amino acid studied for high-intensity performance via muscle carnosine; commonly causes harmless skin tingling at larger single doses.
Biotin (Vitamin B7)
Evidence area: skin, hair & nails
A B vitamin popular for hair and nails. Notably, high doses can interfere with some lab tests.
Boron
Evidence area: bone wellness
A trace mineral discussed in bone-wellness contexts; evidence for supplementation is limited.
Branched-Chain Amino Acids (BCAA)
Evidence area: exercise & muscle
Three amino acids popular around training; evidence is mixed, and whole protein sources are often compared favorably.
Cacao Powder
Evidence area: heart & circulation
A food-based powder providing cocoa flavanols, discussed for heart and mood wellness; evidence is limited.
Caffeine
Evidence area: energy & focus
A common stimulant used for alertness. Timing matters for sleep; sensitivity varies widely.
Calcium
Evidence area: bone wellness
An essential mineral for bone wellness, commonly used when dietary intake is low.
Casein Protein
Evidence area: exercise & muscle
A slow-digesting dairy protein commonly used to help meet daily protein needs, often in the evening.
Ceylon Cinnamon
A culinary spice discussed in blood-sugar contexts; evidence is limited, and the Ceylon-versus-cassia distinction matters for coumarin content.
Chitosan
A fiber-like polymer derived from shellfish that binds fats; evidence is limited and a shellfish-allergy caution is prominent.
Chromium
Evidence area: blood-sugar support
A trace mineral marketed for blood-sugar and weight goals; trial results are mixed-to-small, and it can interact with insulin and diabetes medication.
Citicoline (CDP-Choline)
Evidence area: brain & memory
A choline source explored in cognition and attention contexts; human evidence is limited and mixed.
Citrulline
Evidence area: exercise & muscle
An amino acid studied for blood flow and performance; NIH ODS finds the evidence does not strongly support a benefit, and safety is not well assessed.
Coenzyme Q10 (CoQ10)
Evidence area: heart & circulation
A compound involved in cellular energy, commonly explored for heart wellness and by people on statins.
Collagen Peptides
Evidence area: skin, hair & nails
A protein commonly explored for skin and joint wellness. Evidence is limited and developing.
Copper
An essential trace mineral; commonly discussed in the context of balancing long-term zinc supplementation, with a narrow tolerable range.
Narrow margin between enough and too much — easy to overdo
Cranberry
A berry extract commonly used around urinary-tract wellness; evidence for preventing recurrent UTIs is mixed, and it does not treat infections.
Creatine Monohydrate
Evidence area: exercise & muscle
One of the most researched sports supplements, commonly used to support strength and training performance.
Echinacea
Evidence area: immune support
An herb commonly explored around colds; NCCIH describes only a slight, uncertain benefit, with allergy and immunosuppressant cautions.
Elderberry
Evidence area: immune support
A berry commonly explored around colds/flu; evidence is preliminary, and raw/unripe berries are toxic and must be cooked.
Extra Virgin Olive Oil
Evidence area: heart & circulation
A food-first culinary oil associated with Mediterranean-style dietary patterns studied for heart wellness.
Fenugreek
Evidence area: blood-sugar support
A seed/herb commonly discussed around blood sugar; evidence is limited, and diabetes-medication and pregnancy cautions apply.
Folate (Vitamin B9)
A B vitamin important in pregnancy planning and commonly used for general support.
Garlic
Evidence area: heart & circulation
A culinary bulb discussed for cholesterol and blood-pressure wellness; effects in studies are small, and bleeding-related cautions are commonly flagged.
Ginger
Evidence area: gut & digestion
A culinary herb commonly used for nausea and digestive comfort; evidence is stronger in nausea contexts but still best interpreted cautiously.
Ginkgo Biloba
Evidence area: brain & memory
A leaf extract commonly explored for memory; NCCIH found no conclusive benefit for any condition, and it carries a bleeding caution.
Glucosamine & Chondroitin
Evidence area: joint & mobility comfort
A joint-support pairing commonly explored for comfort; NCCIH finds the benefit uncertain, with warfarin-bleeding and blood-sugar cautions.
Glycine
A simple amino acid commonly explored in evening routines for relaxation and sleep quality.
GlyNAC (Glycine + NAC)
Evidence area: healthy aging
A studied combination of glycine and N-acetylcysteine (both glutathione precursors); human evidence is early and mostly in older adults.
Green Tea Extract (EGCG)
A concentrated tea extract commonly explored for general wellness; concentrated forms carry liver-caution discussions.
Liver caution — can affect the liver directly at higher intakes
Inulin (Jerusalem Artichoke Fiber)
Evidence area: gut & digestion
A fermentable prebiotic fiber commonly used for gut wellness; gas and bloating are common at first.
Iodine
An essential nutrient for thyroid function; both too little and too much can affect the thyroid, so cautious, individualized guidance matters.
Ask a clinician/pharmacist — Directly affects thyroid function (too little and too much both matter) · Narrow margin between enough and too much — easy to overdo
Iron
Evidence area: energy & focus
An essential mineral. Commonly used only when a need is identified, since excess can be harmful.
Narrow margin between enough and too much — easy to overdo
L-Theanine
An amino acid found in tea, commonly explored for calm focus, often paired with caffeine.
Lion's Mane Mushroom
A culinary/functional mushroom commonly explored for cognitive wellness. Human evidence is preliminary.
Lutein + Zeaxanthin
Evidence area: healthy aging
Carotenoids studied for age-related eye wellness in the AREDS2 trial; the evidence applies to a specific formula and population, not general vision improvement.
Magnesium Citrate
A common, well-absorbed form of magnesium; can have a mild laxative effect at higher doses.
Magnesium Glycinate
Evidence area: sleep & relaxation
A gentle, well-tolerated form of magnesium commonly used in evening and relaxation routines.
Magnesium L-Threonate
Evidence area: brain & memory
A magnesium form explored in cognition research; human evidence is preliminary and elemental magnesium per dose is low.
Manganese
Evidence area: bone wellness
An essential trace mineral most people get enough of from diet; very high chronic intakes carry neurological discussions.
Narrow margin between enough and too much — easy to overdo
MCT Oil
A refined oil of medium-chain fats commonly used as a quick energy source; evidence for broader benefits is limited.
Melatonin
Evidence area: sleep & relaxation
A hormone commonly used short-term for sleep timing, such as jet lag. Lower doses are common.
Milk Thistle
An herb commonly marketed for liver wellness; evidence is conflicting or limited, and quality/contamination concerns are commonly discussed.
Multivitamin (Broad-Spectrum)
A broad-spectrum vitamin and mineral product commonly used as general nutritional insurance; outcome research is mixed.
N-Acetylcysteine (NAC)
A form of the amino acid cysteine commonly explored for antioxidant support. Regulatory status varies by region.
Niacinamide
Evidence area: skin, hair & nails
A form of vitamin B3 discussed for skin wellness; unlike flushing niacin, it does not cause flushing, but high doses carry liver discussions.
Nicotinamide Riboside
Evidence area: healthy aging
A vitamin B3 derivative that raises NAD+ markers in studies; long-term health outcomes remain unproven.
Omega-3 Fish Oil (EPA/DHA)
Evidence area: heart & circulation
A source of the omega-3 fatty acids EPA and DHA, commonly used for general heart and brain wellness.
Pantethine
Evidence area: cholesterol support
A derivative of vitamin B5 discussed in cholesterol-support contexts; evidence is limited.
Phytosterols
Evidence area: cholesterol support
Plant compounds commonly discussed alongside dietary approaches to lipid wellness; they can also reduce absorption of some fat-soluble nutrients.
Policosanol
Evidence area: cholesterol support
A plant wax–derived compound discussed for cholesterol support; research findings differ notably between research groups.
Potassium
Evidence area: heart & circulation
An essential electrolyte mineral; supplemental potassium interacts importantly with kidney function and several heart and blood-pressure medications.
Probiotics
Evidence area: gut & digestion
Live microorganisms commonly explored for digestive comfort. Effects are strain- and person-specific.
Psyllium Husk Fiber
Evidence area: gut & digestion
A soluble fiber commonly used for digestive regularity. Take with plenty of water.
Pterostilbene
A polyphenol related to resveratrol, explored for healthy-aging; some research has raised questions about effects on lipids.
Resveratrol
Evidence area: healthy aging
A polyphenol popular in healthy-aging discussions, though human results have been notably weaker than laboratory studies.
Rhodiola Rosea
Evidence area: energy & focus
An adaptogenic herb commonly explored for fatigue resistance and stress. Evidence is preliminary.
Saw Palmetto
A palm-berry extract commonly marketed for prostate and urinary wellness; rigorous studies found little or no benefit for BPH symptoms.
Selenium
Evidence area: immune support
A trace mineral needed in small amounts. The gap between enough and too much is narrow.
Ask a clinician/pharmacist — Directly affects thyroid function (too little and too much both matter) · Narrow margin between enough and too much — easy to overdo
Sodium (Electrolyte)
An essential electrolyte discussed mainly in heavy-sweat contexts; blood-pressure considerations apply and evidence should be read cautiously.
St. John's Wort
Evidence area: mood & stress
An herb commonly explored for mood; its defining feature is major drug interactions that can weaken many medications and raise serotonin-related risks.
Ask a clinician/pharmacist — Major, wide-ranging drug interactions are its defining feature
Taurine
A conditionally essential amino acid explored for fitness, heart wellness, and evening relaxation; research is mixed.
Trace Mineral Complex
Blends supplying small amounts of various minerals; evidence for routine supplementation is limited, and combined intake awareness matters.
Trimethylglycine (TMG)
Evidence area: heart & circulation
A methyl donor discussed in relation to homocysteine metabolism and exercise; human evidence is limited.
Turmeric / Curcumin
Evidence area: joint & mobility comfort
A culinary root and its compound curcumin, commonly explored for joint comfort. Absorption is a known challenge.
Uridine Monophosphate
A nucleotide explored in cognition contexts, often alongside choline sources and omega-3; human evidence is preliminary.
Valerian
Evidence area: sleep & relaxation
A root commonly explored for sleep; NCCIH finds the evidence inconsistent, and it should not be combined with alcohol or sedatives.
Vitamin A
An essential fat-soluble vitamin with a narrow window: deficiency harms vision and immunity, and excess preformed vitamin A is toxic — especially in pregnancy.
Narrow margin between enough and too much — easy to overdo
Vitamin B-Complex
Evidence area: energy & focus
A combination of B vitamins commonly used for general energy metabolism support.
Vitamin B12 (Cobalamin)
Evidence area: energy & focus
An essential vitamin commonly used to support normal levels, especially in plant-based diets.
Vitamin B6
A B vitamin involved in metabolism and brain function; long-term high doses can cause nerve damage, so the upper limit genuinely matters.
Narrow margin between enough and too much — easy to overdo
Vitamin C (Ascorbic Acid)
Evidence area: immune support
A water-soluble antioxidant vitamin commonly used for general and immune wellness.
Vitamin D3 (Cholecalciferol)
Evidence area: bone wellness
A fat-soluble vitamin commonly used to help maintain normal vitamin D levels, especially with limited sun exposure.
Vitamin E
Evidence area: skin, hair & nails
A fat-soluble antioxidant vitamin. High-dose supplements are commonly avoided without a clear need.
Vitamin K2 (Menaquinone)
Evidence area: bone wellness
A fat-soluble vitamin commonly paired with vitamin D and calcium in bone-wellness routines.
Vitamin K2 (MK-4)
Evidence area: bone wellness
A shorter-acting form of vitamin K2 discussed in bone-wellness routines; evidence for supplements is limited.
Whey Protein
Evidence area: exercise & muscle
A convenient complete protein commonly used to help meet daily protein needs around training.
Zinc
Evidence area: immune support
An essential mineral commonly used for immune and general wellness; competes with copper over time.