The precise dosage guide for every supplement
Age-stratified dosage charts, weight-based calculators, and unit converters for 20+ supplements — built from NIH, peer-reviewed research, and clinical guidelines.
Supplement categories
Each category has dedicated dosage charts, form comparisons, and targeted calculators.
All supplement dosage guides
Every guide includes a full dosage table, timing recommendations, form comparisons, cautions, and FAQ.
Magnesium Citrate
Dosage chart for magnesium citrate by age and use case — constipation relief vs. daily supplementation.
Magnesium FormsMagnesium Glycinate
Magnesium glycinate dosage guide for sleep, anxiety, and daily supplementation — the gentlest magnesium form.
Magnesium FormsMagnesium L-Threonate
Magnesium L-threonate dosage for cognitive support and brain health — the only form that crosses the blood-brain barrier effectively.
Magnesium FormsMagnesium Hydroxide
Magnesium hydroxide (Milk of Magnesia) dosage for adults and children — constipation relief and antacid use.
CreatineCreatine
Creatine dosage guide for all goals — loading phase, maintenance, body-weight-based dosing, and HCl form.
Vitamins & MineralsVitamin D
Vitamin D dosage chart by age, sun exposure, and deficiency status — IU and mcg conversion included.
Vitamins & MineralsVitamin C
Vitamin C dosage for adults, immunity support, and therapeutic use — including liposomal forms and upper limits.
Vitamins & MineralsMelatonin
Melatonin dosage for sleep — why less is often more, and how to dose for jet lag vs. insomnia.
Vitamins & MineralsZinc
Zinc dosage by age and purpose — daily supplement, immune support, and upper intake limits.
Fiber SupplementsPsyllium Husk
Psyllium husk dosage for constipation, cholesterol, and daily fiber — plus dosage for dogs.
Omega-3 / Fish OilFish Oil (Omega-3)
Fish oil omega-3 dosage for heart health, inflammation, and brain support — EPA and DHA amounts that matter.
Amino Acids & ProteinsL-Theanine
L-theanine dosage for calm focus, anxiety reduction, and sleep — optimal combinations with caffeine.
Amino Acids & ProteinsProtein Powder
How much protein powder per day — dosage by goal, body weight, and protein type.
Herbal AdaptogensAshwagandha
Ashwagandha dosage for stress, cortisol, and testosterone — KSM-66 and Sensoril extract dosing.
Pediatric OTCMiraLAX Dosage by Weight
MiraLAX (polyethylene glycol 3350) dosage chart by body weight for children and adults — pediatrician-guided dosing.
Herbal AdaptogensBerberine
Berberine dosage for blood sugar, cholesterol, and weight management — the 500 mg three-times-daily protocol.
Amino Acids & ProteinsNAC (N-Acetyl Cysteine)
NAC dosage for liver health, antioxidant support, and respiratory function — therapeutic vs. supplemental doses.
Magnesium FormsMagnesium Malate
Magnesium malate dosage for energy, fibromyalgia, and muscle function — the energizing magnesium form.
Vitamins & MineralsMCG to MG Converter
Convert micrograms (mcg) to milligrams (mg) instantly — vitamin D, B12, iodine, folate dosage conversions.
Vitamins & MineralsMG to ML Converter
Convert milligrams (mg) to milliliters (ml) for liquid supplements — with density-based conversion for common supplements.
Unit conversion calculators
Instantly convert between supplement measurement units — critical for reading labels accurately.
MCG to MG Converter
Convert micrograms to milligrams for vitamin D, B12, folate, biotin, iodine, and selenium. Includes supplement-specific reference table.
Unit ConversionMG to ML Converter
Convert milligrams to milliliters for liquid supplements. Includes concentration tables for magnesium citrate, melatonin drops, and liquid vitamin D.