Compounds

Selenium is a trace mineral the body uses to make its own antioxidant enzymes and activate thyroid hormones, with narrow margins between adequate and...

Pterostilbene is a highly absorbable blueberry compound that activates the body's longevity and antioxidant systems, more potent and longer-lasting than resveratrol. Learn the evidence.

L-Tryptophan is the amino acid the body converts into serotonin and melatonin, supporting stable mood and restful sleep. Learn the evidence, dosing, and interaction...

L-Theanine is a natural compound in green tea that promotes calm, focused alertness without drowsiness or caffeine jitteriness. Learn the mechanisms, clinical evidence, and...

L-Lysine is an essential amino acid that builds collagen, supports calcium absorption, and has documented activity against herpes simplex virus replication. Learn the evidence...

Iron carries oxygen through the blood and is essential for energy metabolism; bisglycinate-chelated forms absorb better with less stomach upset. Learn deficiency risks, dosing,...

Iodine is an essential mineral the thyroid needs to produce hormones that control metabolism, energy, and brain function. Learn about deficiency risks, RDA guidance,...

Glycine is the most abundant amino acid in the body, forming the backbone of collagen and acting as a natural sleep enhancer for deeper,...

Coenzyme Q10 (CoQ10) powers mitochondrial energy production in every cell and declines with age and statin use. Learn the difference between ubiquinol and ubiquinone,...

Chromium picolinate is a trace mineral studied for improving insulin sensitivity and supporting healthy blood sugar regulation. Discover the clinical evidence, dosing, and safety...

Calcium is the primary structural mineral in bones and teeth, and is essential for muscle contraction, nerve signaling, and healthy heart rhythm. Learn about...

Boron is a trace mineral shown in clinical trials to support healthy testosterone levels, reduce inflammation, and improve calcium and vitamin D utilization. Learn...

Black pepper extract (piperine) boosts the absorption of curcumin, CoQ10, and other nutrients by inhibiting metabolic enzymes in the gut and liver. Learn the...

Biotin (vitamin B7) is essential for healthy hair, skin, and nails, and for converting food into usable energy. Learn deficiency signs, optimal dosing, and...

Betaine anhydrous (TMG) supports homocysteine metabolism, liver health, and exercise performance through its methyl-donor activity. Learn the mechanisms, evidence, and dosing here.

Astaxanthin is a potent carotenoid antioxidant from algae studied for skin protection, eye health, and exercise recovery. Discover the clinical evidence, optimal dosing, and...

Ashwagandha is an adaptogenic root herb with strong clinical evidence for lowering cortisol, reducing stress, and modestly supporting testosterone. Learn about KSM-66 extract, dosing,...

Apigenin is a plant flavonoid found in chamomile studied for clearing senescent cells and inhibiting CD38, an enzyme that degrades NAD+ with age. Learn...

Nicotinamide riboside (NR) is a direct NAD+ precursor shown to raise blood NAD+ levels by 40-90% in trials, supporting cellular energy and healthy aging....

GABA (gamma-aminobutyric acid) is the brain's primary calming neurotransmitter, studied for reducing overactive thoughts and supporting relaxation and sleep. Learn the evidence and dosing.