Supplement Ingredient Encyclopedia
Browse our comprehensive A-Z database of over 500 supplement ingredients. Each entry includes evidence-based information on benefits, dosages, forms, side effects, and interactions.
Featured Ingredient Profiles
These ingredients have comprehensive, in-depth profiles with clinical research, dosage guides, form comparisons, and FAQs.
Vitamin D3 (Cholecalciferol)
The sunshine vitamin that over 40% of Americans are deficient in
Magnesium
The essential mineral involved in over 600 enzymatic reactions
Creatine Monohydrate
The most researched and effective sports supplement in history
Ashwagandha (Withania somnifera)
The premier adaptogen for stress, cortisol, and hormonal balance
Fish Oil (Omega-3 EPA/DHA)
Essential fatty acids critical for heart, brain, and whole-body health
Zinc
Essential mineral for immune function, testosterone, and wound healing
Vitamin C
The essential antioxidant for immune defense, collagen synthesis, and iron absorption.
Probiotics
Live beneficial bacteria that support digestive health, immunity, and the gut-brain axis.
Collagen Peptides
The most abundant protein in the body — supports skin, joints, bones, and gut health
Omega-3 Fatty Acids (EPA/DHA)
Essential anti-inflammatory fats that most people don't get enough of
Turmeric / Curcumin
Powerful anti-inflammatory compound from the golden spice
L-Theanine
The calming amino acid from green tea — promotes relaxation without drowsiness.
Vitamin B12
Essential for energy production, nerve function, and red blood cell formation.
Melatonin
The body's natural sleep hormone — regulates circadian rhythm and promotes restful sleep.
Quercetin
A potent plant flavonoid with anti-inflammatory, antihistamine, and immune-modulating properties.
Berberine
The plant alkaloid rivaling metformin for blood sugar management
Curcumin
Turmeric's golden compound — one of nature's most powerful anti-inflammatory agents.
Coenzyme Q10 (CoQ10)
The cellular energy molecule that powers your heart and fights aging
Iron
Essential for oxygen transport, energy production, and immune function — but supplementation requires care.
Lion's Mane Mushroom
The brain-boosting medicinal mushroom that stimulates nerve growth factor
Rhodiola Rosea
The Arctic adaptogen that fights fatigue and enhances mental performance under stress
N-Acetyl Cysteine (NAC)
The powerful antioxidant precursor to glutathione — the body's master antioxidant
Alpha-GPC (L-Alpha Glycerylphosphorylcholine)
The most bioavailable choline source for brain and athletic performance
Beta-Alanine
The endurance-boosting amino acid that buffers muscle acid and delays fatigue during high-intensity exercise
Phosphatidylserine (PS)
The phospholipid that maintains brain cell membranes and has an FDA-qualified health claim for cognitive decline
L-Citrulline
The nitric oxide booster that enhances blood flow, pumps, and endurance
Collagen Peptides (Hydrolyzed Collagen)
The structural protein that supports skin elasticity, joint health, and gut integrity
PQQ (Pyrroloquinoline Quinone)
The mitochondrial biogenesis activator that may create new mitochondria and protect brain cells
Taurine
The conditionally essential amino acid linked to longevity, heart health, and exercise performance
Vitamin K2 (Menaquinone)
The calcium-directing vitamin that keeps calcium in bones and out of arteries
Glycine
The simplest amino acid with profound effects on sleep quality, collagen synthesis, and metabolic health
Electrolytes (Sodium, Potassium, Magnesium)
The essential minerals that regulate hydration, nerve function, and muscle contraction
Spirulina
The nutrient-dense blue-green algae packed with protein, antioxidants, and anti-inflammatory compounds
Digestive Enzymes
The catalysts that break down food for optimal nutrient absorption and digestive comfort
Holy Basil (Tulsi)
The sacred adaptogen of Ayurveda for stress, blood sugar, and immune support
Maca Root
The Peruvian superfood for energy, libido, and hormonal balance
Milk Thistle (Silymarin)
The gold standard liver protectant with 2,000+ years of traditional use
Valerian Root
Nature's sedative — the most popular herbal sleep aid with centuries of use
Echinacea
The immune-boosting herb that may shorten colds by 1-2 days
Ginkgo Biloba
The world's oldest living tree species — used for memory and circulation for millennia
Elderberry (Sambucus nigra)
The traditional immune remedy with clinical evidence for reducing cold and flu duration
Saw Palmetto (Serenoa repens)
The most popular natural prostate supplement — a 5-alpha-reductase inhibitor for BPH and hair loss
Astragalus
The ancient Chinese immune tonic that may support telomere health and longevity
Passionflower
A gentle anxiolytic herb that rivals benzodiazepines for anxiety without the side effects
Selenium
The essential trace mineral for thyroid function, antioxidant defense, and immune health
Boron
The overlooked trace mineral for bone health, testosterone, and cognitive function
Iodine
The essential mineral for thyroid function that 2 billion people worldwide are deficient in
Biotin (Vitamin B7)
The beauty vitamin for hair, skin, and nails — but the science is more nuanced than the marketing
Psyllium Husk
The gold standard soluble fiber with FDA-approved heart health claims
Vitamin A (Retinol / Beta-Carotene)
Essential for vision, immune function, and skin — but the form matters enormously
Glucosamine
The most popular joint supplement worldwide — but the evidence is more complex than you'd think
Folate (Vitamin B9)
Critical for pregnancy and DNA synthesis — but the form you take matters more than you think
Chondroitin Sulfate
The cartilage hydrator — often paired with glucosamine for comprehensive joint support
MSM (Methylsulfonylmethane)
The organic sulfur compound for joints, inflammation, and connective tissue — the third pillar of joint support
Vitamin E (Tocopherols & Tocotrienols)
The antioxidant vitamin with a complicated reputation — natural mixed forms are key
Resveratrol
The polyphenol behind the 'French Paradox' — a SIRT1 activator with cardiovascular and longevity potential
Vitamin B Complex
The eight essential B vitamins that power energy metabolism, brain function, and cellular health
Tongkat Ali (Eurycoma longifolia)
Southeast Asia's most studied testosterone-supporting herb — with real clinical evidence
Garlic Extract (Aged Garlic Extract)
Nature's most studied cardiovascular herb — with over 3,000 published studies
Shilajit
The ancient Himalayan mineral resin with modern clinical evidence for testosterone and energy
Fenugreek (Trigonella foenum-graecum)
The dual-purpose herb for testosterone support and blood sugar management
Hyaluronic Acid
The body's natural moisturizer for joints and skin — oral supplementation is gaining clinical support
Black Seed Oil (Nigella sativa)
The 'seed of blessing' with over 1,000 studies — a broad-spectrum traditional remedy gaining modern validation
Lutein (& Zeaxanthin)
The macular pigments that protect your eyes from blue light and age-related degeneration
Potassium
The most under-consumed essential mineral — critical for blood pressure, heart rhythm, and muscle function
Chlorella
The nutrient-dense freshwater algae with unique detoxification and immune-supporting properties
DIM (Diindolylmethane)
The cruciferous vegetable compound that supports healthy estrogen metabolism
Copper
The essential trace mineral for energy, immunity, and connective tissue — but balance with zinc is critical
Inositol (Myo-Inositol & D-Chiro-Inositol)
The insulin-sensitizing compound transforming PCOS management — with growing evidence for anxiety and mood
Boswellia Serrata (Frankincense)
The ancient frankincense extract with modern evidence for joint pain, inflammation, and gut health
L-Carnitine
The mitochondrial fatty acid transporter essential for energy production, with form-specific benefits for brain, heart, and exercise
All Ingredients A-Z
Our encyclopedia currently covers 158+ supplement ingredients with 71 comprehensive in-depth profiles. We add new profiles regularly.