Science-backed ingredient research

Research smarter,
supplement better.

Browse All Ingredients → Deficiency Guide →NEW Free Label Tool →
Scroll
1,400+ ingredients · 3,800+ clinical trials · PubMed-cited evidence · Clinical dosage benchmarks · Free FDA-compliant tool
Browse by Symptom

Find supplements for your specific concern

31 evidence-organized hubs covering everything from sleep and anxiety to joint pain, blood sugar, and skin health — supplements ranked by clinical evidence, not marketing.

😌Anxiety→ 😴Sleep→ 🦴Joint Pain→ ⚡Energy & Fatigue→ 🧠Brain Fog→ 🫃Bloating→ 💇Hair Loss→ 🌸Menopause→ 🍬Blood Sugar→ ❤️Blood Pressure→ 🛡️Immune Support→ ⚖️Weight Loss→
View all 31 symptom hubs →
Ingredient database
Featured ingredients
View all →
From the blog
Latest guides & research
View all articles →
Close-up of an electrocardiogram printout showing heartbeat tracings on grid paper
Fish Oil and Atrial Fibrillation: What the Heart Trials Found
September 29, 2026
 Cupped hands holding a mound of dark soil with several reddish earthworms
Lumbrokinase: Benefits, Dosage and Side Effects (Evidence Review)
September 28, 2026
 A pineapple cut into thick rounds on a wooden cutting board beside a kitchen knife
Bromelain: Benefits, Dosage and Side Effects (Evidence Review)
September 27, 2026
New · Deficiency Guide

Spot a deficiency by symptom or risk group

Symptoms, at-risk groups, and clinical context for 26 essential nutrients — sourced from NIH ODS and StatPearls.

Open the guide →
Compare

Put any two ingredients side by side

Line up dosages, mechanisms, evidence levels, and safety for any two ingredients — and settle the "which one?" question fast.

Compare ingredients →
NutraSmarts Tool
FDA-compliant labels in minutes

Build accurate, FDA-compliant Supplement Facts and Nutrition Facts panels — with proper rounding rules, correct %DV calculations, and clean proprietary-blend formatting. No spreadsheets, no design software, no fees.

  • 21 CFR 101.9 / 101.36 compliant formatting
  • Nutrition Facts & Supplement Facts modes
  • Drag-to-reorder ingredients
  • One-click export — print-ready PDF
Use the Free Tool →
Supplement Facts
Serving Size: 1 Capsule
Servings per container: 30
Amount per Serving%DV
Vitamin C (as Ascorbic Acid)100 mg111%
Vitamin D (as Cholecalciferol)25 mcg125%
Zinc (as Zinc Citrate)5 mg45%
Immune Support Blend350 mg†
Quercetin Dihydrate (from Sophorae japonica Flower Extract), Elderberry Fruit Extract (Sambucus nigra), Echinacea Purpurea Herb Extract
† Daily Value not established.
Other Ingredients: Veggie capsule (hypromellose), white rice flour, stearic acid, silicon dioxide, magnesium stearate.
About NutraSmarts

Evidence-based supplement research, free for everyone

NutraSmarts is an independent, research-grade database of 1,300+ supplement ingredients — each with clinical-trial-backed dosages, mechanisms, side effects, drug interactions, and an honest evidence rating from PubMed-cited human studies, spanning everyday vitamins and minerals to the newest branded ingredients (NuLiv Science, NNB Nutrition, PLT Health Solutions). Browse by category or symptom, compare any two ingredients, explore the deficiency guide, and build FDA-compliant Supplement Facts labels with our 100% free, no-signup tool — every page built to help you tell marketing from evidence.

Questions or feedback? Email nutrasmarts@gmail.com