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Evidence-Based Research Database
What does the science actually say?
A clear, visual breakdown of clinical research on supplements. No marketing fluff — just peer-reviewed studies explained in plain English.
5,361
Clinical Studies
486
Supplements
770
Health Goals
2,070,170
Total Participants
Browse the Research
Explore supplements backed by clinical trials, or find what works for your specific health goal.
Akkermansia muciniphila
Akkermansia muciniphila
Gastrointestinal HealthInsulin sensitivity and blood sugarMuscle StrengthRespiratory Health+2 more
10 studies
11,359 participants
Ashwagandha
Withania somnifera
Anxiety and moodArthritisMuscle Mass and StrengthHypothyroidism+9 more
32 studies
2,057 participants
Beetroot
Beta vulgaris
Blood pressurePerformance enhancement
80 studies
2,022 participants
Berberine
DiabetesCardiovascular HealthGI HealthSchizophrenia+2 more
14 studies
1,519 participants
Beta-Alanine
Performance enhancement
7 studies
106 participants
Betaine Anhydrous
Pre-workout
18 studies
340 participants
Chaga
Inonotus obliquus
AntioxidantTumour / Cancer
5 studies
0 participants
Chamomile
Matricaria chamomilla
Sleep
4 studies
267 participants
Cistanche
Cistanche tubulosa
Cognition & MoodTestosterone & SpermErectile FunctionHair Loss
12 studies
0 participants
Collagen
SkinHair & Nails Growthhair lossBone health+1 more
13 studies
887 participants
Cordyceps
Cordyceps militaris
LifespanCognitive healthPerformance enhancementImmune system+2 more
8 studies
389 participants
Creatine Monohydrate
Athletic PerformanceMuscle Mass & Strength
23 studies
645 participants
Ecdysterone & Turkesterone
Cyanotis arachnoidea / Ajuga turkestanica
GeneralResearch overview
37 studies
710 participants
Fadogia Agrestis
Fadogia agrestis
General
2 studies
0 participants
Green Tea Extract
Camellia sinensis
Obesity with metabolic syndromeMortality rate
3 studies
52,816 participants
Horny Goat Weed
Epimedium
Erectile functionsPostmenopausal symptoms
6 studies
175 participants
L-Arginine
General
17 studies
410 participants
L-Citrulline
Performance enhancementBlood pressure
8 studies
124 participants
L-Theanine
γ-glutamylethylamide
Sleep
6 studies
319 participants
Lemon Balm
Melissa officinalis
Stress, and anxietySleepPremenstrual syndromeSexual Function+2 more
13 studies
660 participants
Maca
Lepidium meyenii
Erectile function/Sexual desireMenopause Symptoms
9 studies
263 participants
Magnesium (General)
Mg
GeneralSleep
8 studies
362 participants
Magnesium Chloride
MgCl₂
General
2 studies
277 participants
Magnesium Citrate
C₆H₆MgO₇
General
1 studies
42 participants
Magnesium Glycinate
Magnesium Bisglycinate
Sleep
1 studies
0 participants
Magnesium Oxide
MgO
GeneralSleep
2 studies
91 participants
Milk Thistle
Silybum marianum
Liver HealthHepatitisDiabetesKidney Health+8 more
25 studies
1,925 participants
Mullein
Verbascum thapsus
Respiratory healthAnti-bacterial
4 studies
0 participants
Nattokinase
Reduced cholesterol levelsReduced artery plaqueReduced risk of cardiovascular mortalityOther Cardiovascular Diseases+2 more
16 studies
15,374 participants
NMN
Nicotinamide Mononucleotide
Anti-ageingNAD+ LevelsDiabetesAlzheimer's disease+2 more
22 studies
471 participants
Omega-3 / Fish Oil
EPA & DHA (Eicosapentaenoic acid & Docosahexaenoic acid)
Cardiovascular HealthInflammation & Joint HealthDepression & Mental HealthCognitive Health+1 more
18 studies
113,286 participants
Potassium
General
10 studies
765 participants
Probiotics
Multiple strains
GI HealthGI HealthGI HealthGI Health+13 more
31 studies
4,491 participants
Psyllium Husk Fibre
Plantago ovata
ConstipationDiabetes
3 studies
246 participants
Reishi
Ganoderma lingzhi
Immune systemCognitive healthFatigueLiver health+2 more
18 studies
1,014 participants
Resveratrol
Cardiovascular HealthSafety and TolerabilityAntioxidantsDiabetes+1 more
11 studies
279 participants
Rhodiola
Rhodiola rosea / Rhodiola crenulata
Increased strength and power when taken pre-workoutResistance TrainingPhysical performanceMood & anxiety+2 more
42 studies
1,968 participants
Saw Palmetto
Serenoa repens
Hair loss
2 studies
100 participants
Sea Moss
Chondrus crispus
GI Health
1 studies
80 participants
Shilajit
Testosterone & SpermPerformance enhancementSkinBone Health+1 more
8 studies
481 participants
Tart Cherry
Prunus cerasus
Sleep
3 studies
69 participants
Tongkat Ali
Eurycoma longifolia
TestosteroneSexual functionStress and energyMuscle mass and strength
29 studies
1,029 participants
Tribulus Terrestris
Tribulus terrestris
Low Testosterone & Erectile DysfunctionSexual FunctionBlood sugar
7 studies
540 participants
Turkey Tail
Trametes versicolor
Immune systemGI HealthAnti-viral
5 studies
151 participants
Turmeric
Curcuma longa
ArthritisDepressionChronic Pain
3 studies
107 participants
Vitamin D
Cholecalciferol (D3)
COVID-19Autoimmune diseaseDiabetesDementia
64 studies
12,913 participants
Zinc
ImmunityCOVID-19
9 studies
1,321 participants
ZMA
Zinc Monomethionine Aspartate
Testosterone levels
1 studies
27 participants
Biotin
Biotin
Hair, Skin, and NailsDiabetesMultiple Sclerosis
8 studies
919 participants
Calcium
Calcium
Bone HealthBlood Pressure
3 studies
1,556 participants
CoQ10
CoQ10
Cardiovascular HealthMigraineBlood Sugar & DiabetesMale Fertility
7 studies
976 participants
Elderberry
Elderberry
GI HealthOxidation (Fats, Carbohydrates, etc)Blood SugarImmunity+1 more
7 studies
459 participants
Garlic Extract
Garlic Extract
Blood pressureDiabetes/Blood SugarInflammation/Oxidative StressLiver Health+1 more
12 studies
1,062 participants
Glutathione
Glutathione
Antioxidant/ImmunitySkin
4 studies
186 participants
Iron
Iron
Fatigue & Iron Deficiency Without AnaemiaBlood Donors — Iron Recovery & Deficiency Prevention
3 studies
779 participants
Melatonin
Melatonin
SleepBone HealthBlood PressureBlood Sugar
14 studies
1,484 participants
N-Acetylcysteine (NAC)
N-Acetylcysteine (NAC)
AntioxidantFertilityRespiratory Health
9 studies
1,904 participants
Selenium
Selenium
AntioxidantHair and NailsImmunitySpermatogenesis
10 studies
1,824 participants
Spirulina Extract
Spirulina Extract
Blood sugarExercise PerformanceWeight managementBlood pressure+1 more
10 studies
376 participants
Vitamin B12
Vitamin B12
Cognitive Health
2 studies
360 participants
Vitamin C
Vitamin C
Cognitive HealthCommon ColdImmune Function
3 studies
2,821 participants
Vitamin K
Vitamin K
Blood CoagulationBone Health
6 studies
487 participants
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Research Rundowns
Deep dives into the clinical evidence behind popular supplements. Every study, explained in plain English.
Research Rundown
Milk Thistle: The Complete Research Rundown
25 clinical studies, 1,925 participants, 12 health categories — every finding explained in plain English
📊 25 studies
👥 1,925 participants
🏥 12 categories
18 min read · Published 2026-03-07
Article
Vitamin D Supplements: What the Evidence Actually Shows
Vitamin D supplementation evidence: deficiency thresholds, dosage by status, RCT outcomes, safety limits. What 100+ studies actually show.
21 min read · Published 2026-03-26
Article
Nattokinase and Vitamin K2: The Complete Evidence Guide
Do nattokinase and vitamin K2 work together safely? Evidence-backed guide to dosage, interactions, and cardiovascular benefits.
17 min read · Published 2026-03-26
