Clear answers before you buy
Health facts and supplement guides, in plain English.
FactoWiki explains what's actually in a supplement, what the research does and doesn't support, what it costs, and who should be careful — so you're not relying on a sales page to make a health decision.
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What FactoWiki does
Evidence first
We summarise what published research actually shows about each ingredient — including its limits — and link the sources.
Ingredient wiki
Plain-English guides to how common supplement ingredients work, the doses studied, and who should be cautious.
Honest product guides
What the vendor claims versus what the evidence supports, with pricing, safety and alternatives laid out clearly.
Safety forward
Clear notes on interactions and who should avoid a product — and a reminder to talk to a doctor first.
Supplement categories
All 13 categories above have full guides, product reviews and ingredient breakdowns.
Ingredient Wiki
Berberine
Berberine is a plant compound studied mainly for blood sugar, cholesterol and related meta…
IngredientAshwagandha
Ashwagandha is an Ayurvedic adaptogen taken mainly for stress and sleep. It has a reasonab…
IngredientMagnesium
Magnesium is an essential mineral involved in hundreds of body processes, including nerve …
IngredientOmega-3 Fish Oil (EPA & DHA)
The omega-3 fatty acids EPA and DHA from fish oil have solid evidence for lowering triglyc…
IngredientVitamin D
Vitamin D is essential for bones and plays a role in immunity. Deficiency is common, and s…
IngredientCreatine
Creatine is one of the most studied and effective sports supplements, with solid evidence …
IngredientMelatonin
Melatonin is the body's sleep-timing hormone, sold as a supplement mainly for jet lag and …
IngredientTurmeric / Curcumin
Curcumin, the active compound in turmeric, has anti-inflammatory properties and modest evi…
IngredientL-Theanine
L-theanine is an amino acid from tea that promotes a state of calm alertness without sedat…
IngredientProbiotics (Lactobacillus & friends)
Probiotics are live microorganisms that can support digestion — but their effects are stra…
IngredientCoenzyme Q10 (CoQ10)
CoQ10 is a compound your cells use to make energy and as an antioxidant. It is popular for…
IngredientCollagen (Hydrolysed Peptides)
Collagen peptides are the most popular skin and joint supplement. There is some genuine tr…
Supplement & product guides
Blood Sugar & MetabolismGluco Extend
Gluco Extend is a blood-sugar support supplement built around ingredients with real metabo…
Nerve HealthNervora
Nervora is a once-daily nerve-support supplement built on three research-backed nutrients …
Prostate & Men's Urinary HealthProstaPeak
ProstaPeak is a prostate-support supplement combining the usual men's-health botanicals — …
Brain & Memory SupportNeuro Sharp
Neuro Sharp is a capsule supplement formulated to support focus and everyday memory using …
Women's Bladder & Urinary HealthFemicore
Femicore is a women's daily capsule combining probiotic strains and botanicals, marketed t…
Nerve HealthNerveAlive
NerveAlive is a nerve-support supplement built on ingredients with genuine nerve research …
Men's Vitality & TestosteroneVigorPeak
VigorPeak is a men's-vitality supplement built on the usual testosterone/libido botanicals…
Oral & Dental HealthBiodentix
Biodentix is an oral-health supplement built around xylitol, cranberry, grape seed and pep…
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How we review supplements
Every guide is researched against published sources, written in plain language, and reviewed by the FactoWiki Editorial Team for clarity and source accuracy before it is published. We describe what research suggests — never what we wish it showed — and we avoid words like "cure," "guaranteed" or "miracle." Read our full editorial policy to see how we work.
Safety first
FactoWiki provides educational information, not medical advice. Supplements can interact with medications and aren't right for everyone. Always speak with a doctor or pharmacist before starting one — especially if you are pregnant, nursing, taking medication, or managing a health condition. See our medical disclaimer and affiliate disclosure.