Compound library

Neutral, sourced reference entries for the supplements, vitamins, minerals, and medications people commonly track. Every entry cites its sources and is provided for general education only — it is not medical advice.

46 compounds

Alprazolam

Alprazolam (Xanax) is one of the most widely prescribed anti-anxiety medications in the United States — a fast-acting benzodiazepine that reduces anxiety and panic…

Amlodipine

Amlodipine (Norvasc) is one of the most commonly prescribed blood pressure medications in the world — a calcium channel blocker that relaxes and widens blood…

General supplement

Ashwagandha

Ashwagandha is one of the most widely used adaptogenic herbs in Ayurvedic medicine — an ancient Indian tradition — and it's become popular in the modern wellness…

General supplement

Berberine

Berberine is a plant compound found in several traditional medicine herbs that has gained substantial attention as a natural approach to blood sugar management and…

Buspirone

Buspirone is an anti-anxiety medication that works differently from benzodiazepines — it's not sedating, not habit-forming, and doesn't cause the same dependence…

Cognitive supplement

Caffeine

Caffeine is the world's most widely used stimulant — found in coffee, tea, energy drinks, and countless supplements — and it is one of the more extensively studied…

Calcium

Calcium is the most abundant mineral in the body and the primary building block of bones and teeth — most people associate it with bone health and preventing…

General supplement

CoQ10

CoQ10 is a compound your body makes naturally that plays a critical role in energy production inside cells — specifically in the mitochondria, where it helps…

Performance supplement

Creatine monohydrate

Creatine is one of the most researched supplements in sports nutrition. Your muscles naturally store it as a rapid energy reserve for explosive, high-intensity…

General supplement

Curcumin

Curcumin is the active compound in turmeric — the yellow spice in curry — and it's one of the most studied natural anti-inflammatory agents. It's used by people…

Cyclobenzaprine

Cyclobenzaprine (Flexeril) is a muscle relaxant prescribed for short-term relief of muscle spasms and associated pain — typically from acute musculoskeletal…

Elamipretide (SS-31)

Elamipretide (SS-31) is a peptide that targets the mitochondria — the energy-producing structures inside cells — and is proposed to stabilize the inner…

Hormone therapyPrescription

Estradiol

Estradiol is the primary estrogen hormone in women during reproductive years, and it's the main component of hormone replacement therapy (HRT) for menopause.…

Research compound

GHK-Cu

GHK-Cu is a naturally occurring copper peptide found in human plasma that plays a role in wound healing, collagen production, and tissue regeneration. In skincare,…

Iron

Iron is essential for making hemoglobin — the protein in red blood cells that carries oxygen throughout your body — making it critical for energy, physical…

Performance supplement

L-citrulline

L-citrulline is an amino acid that is converted to L-arginine and supports the nitric oxide pathway associated with vasodilation — the mechanism often cited for the…

Cognitive supplement

L-theanine

L-theanine is an amino acid found naturally in green tea that has been studied for effects on stress and attention; some research reports modest anxiolytic effects…

ThyroidPrescription

Levothyroxine

Levothyroxine (T4) is the standard treatment for hypothyroidism — an underactive thyroid — and one of the most prescribed medications in the United States. The…

ThyroidPrescription

Liothyronine

Liothyronine (T3) is the active form of thyroid hormone — the version that cells actually use, rather than the T4 prohormone that levothyroxine provides. Some…

GLP-1Prescription

Liraglutide

Liraglutide — sold as Victoza for diabetes and Saxenda for weight loss — was the first GLP-1 medication approved for weight management and paved the way for…

Losartan

Losartan (Cozaar) is an ARB — an angiotensin receptor blocker — used to treat high blood pressure and to protect the kidneys in people with type 2 diabetes. It…

Magnesium

Magnesium is involved in hundreds of processes in the body — from muscle contraction and nerve signaling to energy production and sleep regulation. It's one of the…

Sleep supplement

Melatonin

Melatonin is the hormone your brain naturally produces at night to signal that it's time to sleep. The supplement form is most commonly used for jet lag, shift…

Metformin

Metformin is the most prescribed diabetes medication in the world and has been a cornerstone of type 2 diabetes treatment for over 60 years. It works by reducing…

Methylene blue

Methylene blue is a century-old compound with a striking dual identity: it's an FDA-approved intravenous treatment for a specific blood emergency…

Metoprolol

Metoprolol is a beta blocker — a medication that slows the heart rate and reduces the force of heart contractions, making it useful for high blood pressure, heart…

General supplement

NAD+

NAD+ is a molecule found in every cell in your body that's essential for producing energy and repairing DNA. Levels decline significantly as you age, which is why…

General supplement

Omega-3 fish oil (EPA/DHA)

Omega-3 fatty acids — found in fatty fish and fish oil supplements — are best known for supporting heart and cardiovascular health, and they're among the most…

GLP-1Prescription

Orforglipron (Foundayo)

Orforglipron (Foundayo) is a newly FDA-approved oral GLP-1 medication for weight loss — and it's meaningfully different from oral semaglutide (the Wegovy pill)…

Pantoprazole

Pantoprazole (Protonix) is a proton pump inhibitor (PPI) — one of the most prescribed medications in the world for reducing stomach acid. It's used to treat acid…

Hormone therapyPrescription

Progesterone

Progesterone is a hormone that works alongside estrogen in the female reproductive system, and in the context of HRT, it's taken by women with an intact uterus to…

PT-141 (Bremelanotide)

PT-141 (bremelanotide) is an FDA-approved medication for low sexual desire in premenopausal women — one of only two approved drug treatments for this condition.…

Retatrutide

Retatrutide is Eli Lilly's investigational triple hormone receptor agonist that targets GIP, GLP-1, and glucagon receptors simultaneously, producing greater average…

Rizatriptan

Rizatriptan (Maxalt) is a triptan — a class of medications specifically designed to stop a migraine attack that has already started rather than prevent migraines…

GLP-1Prescription

Semaglutide

Semaglutide is the active ingredient in Ozempic and Wegovy — the GLP-1 medications that have substantially changed how obesity and type 2 diabetes are managed. It…

Sertraline

Sertraline (Zoloft) is one of the most prescribed antidepressants in the world — an SSRI (selective serotonin reuptake inhibitor) used for depression, anxiety…

Hormone therapyPrescription

Testosterone cypionate

Testosterone cypionate is the most commonly prescribed form of testosterone replacement therapy (TRT) in the United States — a long-acting injectable that restores…

Hormone therapyPrescription

Testosterone enanthate

Testosterone enanthate is nearly identical to testosterone cypionate — another long-acting injectable form of testosterone replacement therapy used to treat…

GLP-1Prescription

Tirzepatide

Tirzepatide — sold as Mounjaro for diabetes and Zepbound for weight loss — is the next generation of GLP-1 medications, targeting two gut hormones (GIP and GLP-1)…

Trazodone

Trazodone has a split personality in clinical practice — it was originally developed as an antidepressant, but today it's prescribed far more often as a sleep aid,…

Vitamin B12

Vitamin B12 is essential for making red blood cells, maintaining the nervous system, and converting food into energy — yet many people, especially vegans, older…

Vitamin C

Vitamin C is perhaps the most famous vitamin — widely associated with immune support and cold prevention, even if the science on that is more nuanced than the…

Vitamin D3

Vitamin D3 is the sunshine vitamin — your body makes it when your skin is exposed to sunlight, but most people living in northern climates or spending time indoors…

Vitamin K2 (MK-7)

Vitamin K2 is the lesser-known sibling of Vitamin K1 and plays a specific role in directing calcium to your bones rather than letting it accumulate in your arteries…

Performance supplement

Whey protein

Whey protein is widely used as a muscle-building protein supplement — a fast-digesting protein derived from milk that contains all nine essential amino acids and is…

Zinc

Zinc is an essential mineral your body uses for immune defense, wound healing, taste and smell, and testosterone production, among dozens of other functions. It's…