Winter can take a real toll on how you feel. Shorter days often lead to lower vitamin D levels, which can impact mood, energy, immunity, and overall resilience. When you pair this with inflammation markers, you get a clearer picture of how your body is handling seasonal stress—not just how it seems to be doing on the surface.
The Vitamin D & Inflammation Test helps you see what’s happening inside your body, so you can take steps that support steadier energy, stronger immunity, and a better winter overall.
Colder months can influence cardiovascular health, especially if you’re feeling more tired, stressed, or out of routine. The Heart Health Test measures key markers like cholesterol balance, triglycerides, and long-term blood sugar levels—offering a clearer picture of how your heart is doing behind the scenes.
It’s a simple way to stay proactive and support the health that carries you through every season.
Your purchase may be HSA/FSA eligible. Check with your plan administrator. Everlywell is not responsible for contacting your plan administrator on your behalf. Everlywell works with a clinician network and CLIA-certified labs to provide lab tests. A licensed clinician will review your test request and order the test, if appropriate. If approved, the lab will process your sample, and lab results will be made available in Everlywell's online portal.
Discounts valid on at-home lab tests and vitamins and supplements purchased on everlywell.com only. Exclusions apply.
