Your personal compass to essential nutrients — 140+ verified vitamins, minerals, and nutrients with functions and food sources. Curated for your health.
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Vitamin Guide was created to provide a clear, comprehensive, and trustworthy reference for vitamins, minerals, and essential nutrients. Whether you're a health enthusiast, a student, or just curious about what's in your supplement bottle, we're here to help.
We believe that good nutrition is the foundation of health. Our goal is to make vitamin and nutrient information accessible, understandable, and actionable for everyone — without the hype or the jargon.
Want to go deeper? Our Guides section covers how vitamins actually work, how to read a supplement label, and how to spot pseudo-vitamin misinformation like the substances sometimes marketed as "vitamin B15" or "vitamin B17" — which aren't recognized vitamins and aren't included anywhere in our database.
Disclaimer: This site is for educational purposes only and is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting any supplement or making changes to your diet.
Have a question about a vitamin? Found something we should add? We'd love to hear from you. Fill out the form below and we'll get back to you as soon as possible.
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Last updated: July 7, 2026
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AI-Generated Content Disclosure: All vitamin information, functions, and descriptions on this site are generated by artificial intelligence and are provided for informational purposes only. They have not been independently verified by a licensed nutritionist or medical professional.