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😌Anxiety→ 😴Sleep→ 🦴Joint Pain→ ⚡Energy & Fatigue→ 🧠Brain Fog→ 🫃Bloating→ 💇Hair Loss→ 🌸Menopause→ 🍬Blood Sugar→ ❤️Blood Pressure→ 🛡️Immune Support→ ⚖️Weight Loss→
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A flat-lay of an amber dropper bottle of black seed oil with Nigella sativa (black cumin) seeds, flowers, and a stone mortar
June 14, 2026 · 11 min read

Black Seed Oil: Benefits, Dosage, and Side Effects

What Nigella sativa really does for blood sugar, cholesterol and blood pressure, the right dose, and how to choose a quality oil.

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Amber-gold softgel capsules spilling from a glass jar onto a white surface, the form CoQ10 is usually sold in
June 13, 2026 · 11 min read

CoQ10: Benefits, Dosage, and the Ubiquinol Question

What CoQ10 actually does, the right dose for your goal, and whether the pricier ubiquinol really beats standard ubiquinone.

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White supplement capsules and amber softgels on a white marble surface
June 12, 2026 · 12 min read

Peptides: Which Are Legal Supplements, and Which Are Not

Some peptides are legal supplements, some are prescription drugs, and some are not allowed for human use. How to tell them apart.

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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.

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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.

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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.

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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.

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