All Dosage Calculators
50 calculators — organized by health goal
Performance(11)
Creatine Dosage Calculator
The world's most-researched sports supplement. Creatine monohydrate reli…
Caffeine Dosage Calculator
The world's most widely consumed psychoactive compound. A potent adenosi…
L-Citrulline Dosage Calculator
A non-essential amino acid that raises arginine and nitric oxide more ef…
Beta-Alanine Dosage Calculator
The rate-limiting precursor to carnosine — the primary intramuscular pH …
L-Carnitine Dosage Calculator
The mitochondrial fatty acid transporter. L-carnitine facilitates fat ox…
Beetroot Powder Dosage Calculator
A concentrated dietary nitrate source that converts to nitric oxide via …
Tart Cherry Dosage Calculator
Montmorency tart cherry is the most evidence-supported natural anti-infl…
HMB Dosage Calculator
A leucine metabolite that inhibits muscle protein breakdown (proteolysis…
BCAA Dosage Calculator
Branched-chain amino acids (leucine, isoleucine, valine). Most impactful…
L-Glutamine Dosage Calculator
The most abundant amino acid in the body. Becomes conditionally essentia…
Electrolytes Dosage Calculator
Sodium, potassium, magnesium, and chloride — the minerals lost in sweat …
Sleep & Recovery(3)
Magnesium Dosage Calculator
The body's master mineral cofactor, involved in over 300 enzymatic react…
Melatonin Dosage Calculator
The pineal gland's darkness hormone. Effective at micro-doses (0.5–1 mg)…
Valerian Root Dosage Calculator
One of the oldest herbal sedatives, used for over 2,000 years. Valerenic…
Vitamins & Minerals(11)
Vitamin D3 Dosage Calculator
The 'sunshine vitamin' — actually a steroid prohormone involved in immun…
Zinc Dosage Calculator
An essential trace mineral and cofactor for over 300 enzymes. Critical f…
Iron Dosage Calculator
The oxygen-transport mineral. Essential for haemoglobin, myoglobin, and …
Vitamin C Dosage Calculator
An essential water-soluble antioxidant and enzyme cofactor. Required for…
Biotin Dosage Calculator
Vitamin B7 — an essential cofactor for carboxylase enzymes involved in f…
Vitamin K2 Dosage Calculator
The 'calcium traffic director'. MK-7 (menaquinone-7) activates osteocalc…
Vitamin B12 Dosage Calculator
An essential cobalamin vitamin required for DNA synthesis, myelin sheath…
Methylfolate (5-MTHF) Dosage Calculator
The bioactive, immediately usable form of folate — critical for DNA synt…
Iodine Dosage Calculator
The thyroid mineral. Iodine is the rate-limiting substrate for T3 and T4…
Selenium Dosage Calculator
A trace element essential for 25 selenoprotein enzymes, including glutat…
Saw Palmetto Dosage Calculator
A fatty acid-rich berry extract from Serenoa repens. The most widely stu…
Stress & Mood(5)
Ashwagandha Dosage Calculator
The most clinically validated adaptogen. KSM-66 root extract reduces cor…
L-Theanine Dosage Calculator
A non-proteinogenic amino acid from green tea. Produces calm alertness w…
Myo-Inositol Dosage Calculator
A glucose isomer that functions as a second messenger in insulin, FSH, a…
Maca Root Dosage Calculator
A Peruvian root vegetable with adaptogenic properties. RCTs support bene…
5-HTP Dosage Calculator
The direct precursor to serotonin, extracted from Griffonia simplicifoli…
Heart Health(2)
Recovery(1)
Weight Management(1)
Metabolic Health(2)
Antioxidants(1)
Cognitive Health(3)
Skin & Joints(1)
Gut Health(1)
Longevity(8)
NMN Dosage Calculator
A direct NAD⁺ precursor that declines sharply with age. Restoring NAD⁺ l…
Resveratrol Dosage Calculator
A polyphenol stilbene found in red wine and grapes. Activates SIRT1 and …
Spermidine Dosage Calculator
A naturally occurring polyamine that declines with age. Induces autophag…
Apigenin Dosage Calculator
A flavone found in chamomile, parsley, and celery. Acts as a potent CD38…
Quercetin Dosage Calculator
A flavonoid and the first clinically validated senolytic in humans. Sele…
Taurine Dosage Calculator
A semi-essential sulphur amino acid that declined 80% in blood by old ag…
Glycine Dosage Calculator
The simplest amino acid and a conditional longevity nutrient. The GlyNAC…
Fisetin Dosage Calculator
A senolytic flavonoid found in strawberries that extended mouse lifespan…