Stop Guessing. Start Seeing.
Using powerful optical techniques, Prysm iO scores skin carotenoid levels in just 15 seconds, offering a simple, non-invasive way to see how your supplement and dietary choices are reflected in your results.
Smart Science, Made Simple.
Prysm iO empowers you to understand your well-being—and impact it. It uses real research and AI to turn data into a single easy number you can understand and act on.
Scan
Each scan measures your skin’s carotenoid levels and gives you clear insight into whether your diet, supplements, and lifestyle choices are truly making a difference.
Track Your Score
Build healthier habits to raise your score, track your progress in the app, and access personalized insights that keep you on the path to nutritional wellness.
Take Action
The more you understand your skin carotenoid level, the more confident and motivated you’ll be to make measurable and sustainable changes.
20+ years of science in the palm of your hand.
Prysm iO uses Spectral Rai Technology, a specific type of light technology, which consists of over 700,000 individuals hyperspectral absorption measurements per scan to accurately assess light absorption in the skin. These measurements are converted into your Prysm Score using a predetermined algorithm powered by Al and referencing Raman technology.

Spectral Rai Technology

Machine Learning Calibration

700,000+ Measurements

Raman Technology
Elevate Your Well-being Routine with Prysm Tested Products
Prysm tested means that our scientists are confident that these products are designed to increase your skin carotenoid score (Prysm Score) as measured by Prysm iO. If a product is labeled as Skin Carotenoid Score (SCS)-certified or Prysm Certified, then you can expect that using it will increase your score over time.
Stay Connected. Stay Motivated.
More than just a way to see your score, the Nu Skin Prysm iO app is your personal well-being guide. It turns your data into clear, meaningful insights that help you make mindful choices. With the right tools and knowledge at your fingertips, see how it responds as you make changes to your diet, supplements, and lifestyle.

Instant Insights, All in One App
The app delivers your Prysm Score in seconds and translates it into clear, easy-to-understand feedback on your antioxidant and nutritional status. It makes tracking simple, fast, and always at your fingertips.

AI-Powered Guidance, Personalized to You
The app’s intelligence transforms your scan results and lifestyle data into tailored recommendations, trend tracking, and curated product matches. Every insight is precise, actionable, and designed to elevate your well-being journey with confidence.
#NuMove30
Let’s get moving together! Join the NuMove30 challenge on social.
Questions About Prysm iO? We’ve Got Answers.
How does Prysm iO work?
Prysm iO uses non-invasive optical technology to measure carotenoid levels in your skin in just 15 seconds. This gives you instant feedback on your nutritional status without blood tests or discomfort.
Is using Prysm iO safe and non-invasive?
Yes. It’s completely safe, painless, and designed for everyday use.
Why should I use Prysm iO for my nutrition?
Prysm iO helps you understand your skin carotenoid levels and make informed choices about diet and supplements. It removes guesswork and helps you optimize your well-being journey.
Want to learn more?
Perfect Pairings with Prysm Certified Products
Explore our curated selection of supplements formulated to complement your Prysm iO insights and support key areas of your overall well-being.
Defend, Revive, and Thrive with Antioxidants
Antioxidants are your body's defense against cellular damage, and carotenoids are among the most powerful.

Formulas That Fuel You
Pharmanex science focuses on giving your body the essential nutrients it needs every day to help to you support carotenoid levels, build healthier habits, and see real progress with Prysm iO.




