5-HTP Also: 5 htp, 5-hydroxytryptophan, griffonia simplicifolia
Protein, Amino Acids & Performance
Compare5-hydroxytryptophan (5-HTP) is an intermediate between the amino acid tryptophan and serotonin, usually extracted from Griffonia simplicifolia seeds.
Evidence: Limited / mixed Higher-risk ingredientDepressive symptoms Sleep onset Fibromyalgia and migraine
View Details Activated charcoal Also: charcoal, activated carbon, coconut charcoal
Specialty Supplements
CompareActivated charcoal is a porous carbon material that binds many substances in the gut.
Evidence: Established Interaction review advisedEmergency management of certain acute poisonings Detox, cleansing, hangover prevention Intestinal gas and bloating
View Details Ashwagandha Also: withania somnifera, ashwaganda, ashwagandha root, KSM-66
Herbs & Botanicals
CompareAshwagandha (Withania somnifera) is a botanical used in Ayurvedic practice and marketed for stress, sleep and exercise performance.
Evidence: Promising Interaction review advisedPerceived stress and anxiety symptoms Sleep quality Strength and exercise performance
View Details Berberine Also: berberine HCl, berberin, barberry, goldenseal berberine
Herbs & Botanicals
CompareBerberine is a plant alkaloid found in goldenseal, barberry, Oregon grape and Coptis.
Evidence: Promising Interaction review advisedBlood glucose measures in type 2 diabetes LDL cholesterol and triglycerides Weight loss
View Details Colloidal silver Also: silver hydrosol, ionic silver, nano silver
Specialty Supplements
CompareColloidal silver is listed for education only and is not part of the routine supplement catalog.
Evidence: Insufficient Higher-risk ingredient
View Details Creatine monohydrate Also: creatine, creatin, kre-alkalyn, creatine mono
Protein, Amino Acids & Performance
CompareCreatine is a compound made in the body and obtained from meat and fish that helps regenerate ATP during short, intense effort.
Evidence: Established Routine cautionStrength and high-intensity exercise performance with resistance training Lean mass gains alongside training Muscle preservation in older adults with resistance training
View Details Ginkgo biloba Also: ginkgo, gingko, ginko biloba, EGb 761
Herbs & Botanicals
CompareGinkgo biloba leaf extract is studied for memory, cognitive decline and circulation.
Evidence: Limited / mixed Interaction review advisedPreventing dementia or cognitive decline in older adults Symptoms in existing dementia Intermittent claudication (leg pain with walking)
View Details Green-tea extract Also: EGCG, green tea, camellia sinensis, green tea extract
Herbs & Botanicals
CompareConcentrated green tea extract supplies catechins, mainly EGCG, in amounts far above those obtained by drinking tea.
Evidence: Limited / mixed Higher-risk ingredientWeight loss and weight maintenance Blood lipids and blood pressure Cancer prevention
View Details Iodine Also: potassium iodide, kelp iodine, iodide, iodene
Minerals & Electrolytes
CompareIodine is an essential trace mineral required to make thyroid hormone.
Evidence: Established Interaction review advisedPreventing iodine deficiency and deficiency-related goitre Supporting thyroid hormone production during pregnancy Thyroid support in people with adequate intake
View Details Iron Also: ferrous sulfate, ferrous bisglycinate, iron bisglycinate, ferrous gluconate
Minerals & Electrolytes
CompareIron is an essential mineral used to make haemoglobin and to carry oxygen in blood.
Evidence: Established Higher-risk ingredientTreating iron-deficiency anaemia and confirmed iron deficiency Fatigue without documented iron deficiency Restless legs syndrome with low iron stores
View Details Magnesium Also: magnesium citrate, magnesium oxide, magnesium glycinate, magnesium threonate
Minerals & Electrolytes
CompareMagnesium is an essential mineral involved in hundreds of enzyme reactions, including energy production, muscle and nerve function, blood pressure regulation and bone structure.
Evidence: Established Interaction review advisedCorrecting low magnesium (hypomagnesaemia) Constipation Migraine prevention
View Details Melatonin Also: melatonine, melotonin, n-acetyl-5-methoxytryptamine
Brain, Mood & Sleep
CompareMelatonin is a hormone produced by the pineal gland that signals biological night.
Evidence: Promising Interaction review advisedJet lag Delayed sleep-wake phase disorder Insomnia in adults
View Details Omega-3 EPA/DHA Also: EPA, DHA, omega 3, omega-3
Essential Fats & Oils
CompareOmega-3 EPA and DHA are long-chain fatty acids found mainly in oily fish and in algae.
Evidence: Established Interaction review advisedLowering high triglycerides Cardiovascular event reduction Rheumatoid arthritis joint symptoms
View Details Potassium Also: potassium citrate, potassium chloride, electrolyte, electrolytes
Minerals & Electrolytes
ComparePotassium is an essential mineral and electrolyte involved in fluid balance, nerve signalling and muscle contraction, including heart muscle.
Evidence: Established Higher-risk ingredientBlood pressure in people with higher sodium intake Treating documented low potassium (hypokalaemia) Muscle cramps in general
View Details Red-yeast rice Also: RYR, monascus purpureus, red yeast rice, monacolin K
Metabolic & Cardiovascular
CompareRed yeast rice is rice fermented with Monascus purpureus.
Evidence: Promising Higher-risk ingredientLowering LDL cholesterol Cardiovascular event reduction A safer natural alternative to statins
View Details St. John’s wort Also: hypericum perforatum, st johns wort, saint johns wort, hypericin
Herbs & Botanicals
CompareSt.
Evidence: Promising Higher-risk ingredientMild to moderate depressive symptoms Severe depression, bipolar depression Menopausal symptoms, wound healing (topical)
View Details Turmeric / curcumin Also: curcumin, tumeric, turmeric extract, curcuma longa
Herbs & Botanicals
CompareTurmeric is a culinary root; curcuminoids are its main studied constituents.
Evidence: Promising Interaction review advisedKnee osteoarthritis pain Inflammatory markers Depression, metabolic syndrome, ulcerative colitis
View Details Vitamin B12 / cyanocobalamin / methylcobalamin Also: methyl b12, b-12, cobalamin, hydroxocobalamin
Vitamins
CompareVitamin B12 is a water-soluble vitamin needed for red blood cell formation, DNA synthesis and nerve function.
Evidence: Established Routine cautionTreating and preventing B12 deficiency, including pernicious anaemia Fatigue or energy in people with normal B12 status Cognitive decline prevention
View Details Vitamin B7 / biotin Also: vitamin h, d-biotin, byotin
Vitamins
CompareBiotin is a water-soluble B vitamin involved in fat, carbohydrate and amino-acid metabolism.
Evidence: Established Interaction review advisedTreating biotin deficiency and biotinidase deficiency Hair, skin and nail appearance in people without deficiency Blood glucose or neuropathy
View Details Vitamin C Also: ascorbic acid, sodium ascorbate, liposomal vitamin c, ascorbate
Vitamins
CompareVitamin C (ascorbic acid) is a water-soluble vitamin needed for collagen formation, antioxidant defence, immune function and iron absorption.
Evidence: Established Routine cautionPreventing and treating vitamin C deficiency and scurvy Common cold duration Iron absorption support
View Details Vitamin D3 Also: cholecalciferol, vitamin d, vitamin d-3, vit d
Vitamins
CompareVitamin D3 (cholecalciferol) is a fat-soluble vitamin the body also makes in skin exposed to ultraviolet light.
Evidence: Established Interaction review advisedTreating and preventing vitamin D deficiency and rickets/osteomalacia Fracture and fall reduction with calcium in older adults Preventing respiratory infections
View Details Vitamin K2 / MK-4 / MK-7 Also: menaquinone, mk4, mk7, menatetrenone
Vitamins
CompareVitamin K2 (menaquinones, including MK-4 and MK-7) is a fat-soluble vitamin involved in blood clotting and in proteins that regulate calcium in bone and blood vessels.
Evidence: Established Interaction review advisedPreventing vitamin K deficiency bleeding Bone mineral density and fracture reduction Arterial calcification and cardiovascular outcomes
View Details Zinc Also: zinc picolinate, zinc gluconate, zinc citrate, zink
Minerals & Electrolytes
CompareZinc is an essential mineral needed for immune function, wound healing, taste, growth and hundreds of enzymes.
Evidence: Established Interaction review advisedTreating and preventing zinc deficiency Childhood diarrhoea in low-resource settings Common cold duration with lozenges
View Details