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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.

3,679
Clinical Studies
372
Supplements
547
Health Goals
697,485
Total Participants

Browse the Research

Explore supplements backed by clinical trials, or find what works for your specific health goal.

Very Strong Evidence

Akkermansia muciniphila

Akkermansia muciniphila

Gastrointestinal HealthInsulin sensitivity and blood sugarMuscle StrengthRespiratory Health+2 more
10 studies 11,359 participants
Very Strong Evidence

Ashwagandha

Withania somnifera

Anxiety and moodArthritisMuscle Mass and StrengthHypothyroidism+9 more
32 studies 2,057 participants
Strong Evidence

Beetroot

Beta vulgaris

Blood pressurePerformance enhancement
80 studies 2,022 participants
Very Strong Evidence

Berberine

DiabetesCardiovascular HealthGI HealthSchizophrenia+2 more
14 studies 1,519 participants
Strong Evidence

Beta-Alanine

Performance enhancement
7 studies 106 participants
Very Strong Evidence

Betaine Anhydrous

Pre-workout
18 studies 340 participants
Weak Evidence

Chaga

Inonotus obliquus

AntioxidantTumour / Cancer
5 studies 0 participants
Strong Evidence

Chamomile

Matricaria chamomilla

Sleep
4 studies 267 participants
Moderate Evidence

Cistanche

Cistanche tubulosa

Cognition & MoodTestosterone & SpermErectile FunctionHair Loss
12 studies 0 participants
Very Strong Evidence

Collagen

SkinHair & Nails Growthhair lossBone health+1 more
13 studies 887 participants
Strong Evidence

Cordyceps

Cordyceps militaris

LifespanCognitive healthPerformance enhancementImmune system+2 more
8 studies 389 participants
Strong Evidence

Creatine Monohydrate

Athletic PerformanceMuscle Mass & Strength
23 studies 645 participants
Strong Evidence

Ecdysterone & Turkesterone

Cyanotis arachnoidea / Ajuga turkestanica

GeneralResearch overview
37 studies 710 participants
Weak Evidence

Fadogia Agrestis

Fadogia agrestis

General
2 studies 0 participants
Strong Evidence

Green Tea Extract

Camellia sinensis

Obesity with metabolic syndromeMortality rate
3 studies 52,816 participants
Strong Evidence

Horny Goat Weed

Epimedium

Erectile functionsPostmenopausal symptoms
6 studies 175 participants
Very Strong Evidence

L-Arginine

General
17 studies 410 participants
Very Strong Evidence

L-Citrulline

Performance enhancementBlood pressure
8 studies 124 participants
Very Strong Evidence

L-Theanine

γ-glutamylethylamide

Sleep
6 studies 319 participants
Very Strong Evidence

Lemon Balm

Melissa officinalis

Stress, and anxietySleepPremenstrual syndromeSexual Function+2 more
13 studies 660 participants
Strong Evidence

Maca

Lepidium meyenii

Erectile function/Sexual desireMenopause Symptoms
9 studies 263 participants
Very Strong Evidence

Magnesium (General)

Mg

GeneralSleep
8 studies 362 participants
Strong Evidence

Magnesium Chloride

MgCl₂

General
2 studies 277 participants
Moderate Evidence

Magnesium Citrate

C₆H₆MgO₇

General
1 studies 42 participants
Moderate Evidence

Magnesium Glycinate

Magnesium Bisglycinate

Sleep
1 studies 0 participants
Strong Evidence

Magnesium Oxide

MgO

GeneralSleep
2 studies 91 participants
Very Strong Evidence

Milk Thistle

Silybum marianum

Liver HealthHepatitisDiabetesKidney Health+8 more
25 studies 1,925 participants
Moderate Evidence

Mullein

Verbascum thapsus

Respiratory healthAnti-bacterial
4 studies 0 participants
Very Strong Evidence

Nattokinase

Reduced cholesterol levelsReduced artery plaqueReduced risk of cardiovascular mortalityOther Cardiovascular Diseases+2 more
16 studies 15,374 participants
Strong Evidence

NMN

Nicotinamide Mononucleotide

Anti-ageingNAD+ LevelsDiabetesAlzheimer's disease+2 more
22 studies 471 participants
Strong Evidence

Omega-3 / Fish Oil

EPA & DHA (Eicosapentaenoic acid & Docosahexaenoic acid)

Cardiovascular HealthInflammation & Joint HealthDepression & Mental HealthCognitive Health+1 more
18 studies 113,286 participants
Very Strong Evidence

Potassium

General
10 studies 765 participants
Very Strong Evidence

Probiotics

Multiple strains

GI HealthGI HealthGI HealthGI Health+13 more
31 studies 4,491 participants
Strong Evidence

Psyllium Husk Fibre

Plantago ovata

ConstipationDiabetes
3 studies 246 participants
Very Strong Evidence

Reishi

Ganoderma lingzhi

Immune systemCognitive healthFatigueLiver health+2 more
18 studies 1,014 participants
Strong Evidence

Resveratrol

Cardiovascular HealthSafety and TolerabilityAntioxidantsDiabetes+1 more
11 studies 279 participants
Very Strong Evidence

Rhodiola

Rhodiola rosea / Rhodiola crenulata

Increased strength and power when taken pre-workoutResistance TrainingPhysical performanceMood & anxiety+2 more
42 studies 1,968 participants
Moderate Evidence

Saw Palmetto

Serenoa repens

Hair loss
2 studies 100 participants
Moderate Evidence

Sea Moss

Chondrus crispus

GI Health
1 studies 80 participants
Strong Evidence

Shilajit

Testosterone & SpermPerformance enhancementSkinBone Health+1 more
8 studies 481 participants
Strong Evidence

Tart Cherry

Prunus cerasus

Sleep
3 studies 69 participants
Very Strong Evidence

Tongkat Ali

Eurycoma longifolia

TestosteroneSexual functionStress and energyMuscle mass and strength
29 studies 1,029 participants
Very Strong Evidence

Tribulus Terrestris

Tribulus terrestris

Low Testosterone & Erectile DysfunctionSexual FunctionBlood sugar
7 studies 540 participants
Strong Evidence

Turkey Tail

Trametes versicolor

Immune systemGI HealthAnti-viral
5 studies 151 participants
Strong Evidence

Turmeric

Curcuma longa

ArthritisDepressionChronic Pain
3 studies 107 participants
Strong Evidence

Vitamin D

Cholecalciferol (D3)

COVID-19Autoimmune diseaseDiabetesDementia
64 studies 12,913 participants
Strong Evidence

Zinc

ImmunityCOVID-19
9 studies 1,321 participants
Strong Evidence

ZMA

Zinc Monomethionine Aspartate

Testosterone levels
1 studies 27 participants
Very Strong Evidence

Biotin

Biotin

Hair, Skin, and NailsDiabetesMultiple Sclerosis
8 studies 919 participants
Strong Evidence

Calcium

Calcium

Bone HealthBlood Pressure
3 studies 1,556 participants
Very Strong Evidence

CoQ10

CoQ10

Cardiovascular HealthMigraineBlood Sugar & DiabetesMale Fertility
7 studies 976 participants
Very Strong Evidence

Elderberry

Elderberry

GI HealthOxidation (Fats, Carbohydrates, etc)Blood SugarImmunity+1 more
7 studies 459 participants
Very Strong Evidence

Garlic Extract

Garlic Extract

Blood pressureDiabetes/Blood SugarInflammation/Oxidative StressLiver Health+1 more
12 studies 1,062 participants
Strong Evidence

Glutathione

Glutathione

Antioxidant/ImmunitySkin
4 studies 186 participants
Strong Evidence

Iron

Iron

Fatigue & Iron Deficiency Without AnaemiaBlood Donors — Iron Recovery & Deficiency Prevention
3 studies 779 participants
Very Strong Evidence

Melatonin

Melatonin

SleepBone HealthBlood PressureBlood Sugar
14 studies 1,484 participants
Very Strong Evidence

N-Acetylcysteine (NAC)

N-Acetylcysteine (NAC)

AntioxidantFertilityRespiratory Health
9 studies 1,904 participants
Very Strong Evidence

Selenium

Selenium

AntioxidantHair and NailsImmunitySpermatogenesis
10 studies 1,824 participants
Very Strong Evidence

Spirulina Extract

Spirulina Extract

Blood sugarExercise PerformanceWeight managementBlood pressure+1 more
10 studies 376 participants
Strong Evidence

Vitamin B12

Vitamin B12

Cognitive Health
2 studies 360 participants
Strong Evidence

Vitamin C

Vitamin C

Cognitive HealthCommon ColdImmune Function
3 studies 2,821 participants
Strong Evidence

Vitamin K

Vitamin K

Blood CoagulationBone Health
6 studies 487 participants