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Published on November 19, 2025

A Proud Sponsor of GrassrootsHealth and Vitamin D Awareness Month


GrassrootsHealth is excited to feature Luma D Light™ by Lumanova as one of our November Sponsors for Vitamin D Awareness Month 2025.

This innovative light is designed to bring the benefits of UVB from natural sunlight indoors, supporting your body’s ability to produce vitamin D safely and effectively, even during the darker months.  GrassrootsHealth is proud to say that they were a part of validating the effectiveness of this device.

About Luma D Light™

The Luma D Light™ provides a controlled dose of UVB light, the same wavelength that triggers your skin’s natural vitamin D production from sunlight.  This makes it an easy, at-home solution for individuals who spend limited time outdoors or live in areas with low winter sunlight.

“Just a few minutes a day of controlled UVB exposure may help maintain optimal vitamin D levels throughout the year,” ~ Lumanova

How It Works

The Luma D Light™ is designed with user safety and customization in mind:

  • Emits targeted UVB wavelengths (290–315 nm) to stimulate vitamin D synthesis
  • Connects with the Luma app to guide safe, personalized exposure times
  • Sessions are short, typically 2–4 minutes per area depending on skin type
  • Easy to use from the comfort of your home

Key Benefits

  • Supports naturally optimal vitamin D production from your skin
  • Helps maintain healthy immune, bone, and mood function via vitamin D production
  • Offers a non-pill, light-based option for vitamin D support
  • May assist in keeping vitamin D levels optimal year-round

Safety First

  • Always follow the manufacturer’s safety instructions when using UVB devices.
  • Start slow, avoid overexposure, and use the Luma app for time guidance. Individuals with skin conditions or photosensitivity should consult a healthcare provider before use.

Special Offer for GrassrootsHealth

In celebration of Vitamin D Awareness, Lumanova is offering an exclusive discount for the GrassrootsHealth community.

  • Get 10% off all products – check out their infrared products as well!
  • Use coupon code GH10 at checkout.
  • Shop now: Visit Lumanova’s store here

Ongoing Support for GrassrootsHealth

Your Lumanova purchases will further support GrassrootsHealth by giving a percentage of sales back to us. We thank Lumanova for supporting Vitamin D Awareness and GrassrootsHealth’s ongoing research, education, and advocacy initiatives on vitamin D and other essential nutrients.


Measure Your Vitamin D and Other Important Nutrients

If you haven’t had your vitamin D levels checked recently, now is the time! With so many Americans still falling short, awareness is the first step toward change.

Measuring and calculating a supplementation amount to help reach and maintain a target level, or taking loading doses to correct deficiency faster, could possibly make all the difference in overall health, wellbeing, and how a current disease situation progresses. Test your level now!

Create your custom home blood spot kit by adding any of the following measurements, along with your vitamin D:

Having and maintaining healthy vitamin D levels and other nutrient levels can help improve your health, now and for the future. Enroll and test your levels today, learn what steps to take to improve your status of vitamin D (see below) and other nutrients and blood markers, and take action! By enrolling in the GrassrootsHealth projects, you are not only contributing valuable information to everyone, you are also gaining knowledge about how you could improve your own health through measuring and tracking your nutrient status, and educating yourself on how to improve it.

How Can You Use this Information for YOUR Health?

Having and maintaining healthy vitamin D and other nutrient levels can help improve your health now and for your future. Measuring is the only way to make sure you are getting enough!

STEP 1 Order your at-home blood spot test kit to measure vitamin D and other nutrients of concern to you, such as omega-3s, magnesium, essential and toxic elements (zinc, copper, selenium, lead, cadmium, mercury); include hsCRP as a marker of inflammation or HbA1c for blood sugar health

STEP 2 Answer the online questionnaire as part of the GrassrootsHealth study

STEP 3 Using our educational materials and tools (such as our dose calculators), assess your results to determine if you are in your desired target range or if actions should be taken to get there

STEP 4 After 3-6 months of implementing your changes, re-test to see if you have achieved your target level(s)

Enroll in D*action and Build Your Custom Test Kit!

FLASH SALE - THIS WEEKEND ONLY! Save 20% on select test kits when measuring essential & toxic elements. Sale ends Monday 6/22/2026

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