**Dark Skin, Denver: Is Winter AC Stealing Summer D?**

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
February 11, 2026

The crisp mountain air of Denver, Colorado, often touted for its health benefits, can mask a hidden health challenge, especially for residents with darker skin. It’s a silent epidemic, exacerbated by our modern lifestyles: Vitamin D deficiency. But for Denver’s Black and Brown communities, the risk is significantly amplified.

Denver’s high altitude and latitude mean less direct sunlight, particularly during the long winter months. This reduced sun exposure directly impacts our body’s ability to produce Vitamin D. Add to this the pervasive use of air conditioning, which keeps us indoors year-round, and you have a recipe for widespread deficiency.

Vitamin D isn’t just about strong bones; it plays a crucial role in immune function, mood regulation, and even cancer prevention. For Denver residents with darker skin, the melanin acts as a natural sunscreen, requiring significantly more sun exposure to produce the same amount of Vitamin D as someone with lighter skin. This makes them particularly vulnerable in a city already starved for sunlight.

So, how can Denver residents with darker skin combat this deficiency and thrive in our unique environment? It requires a multi-pronged approach: strategic sun exposure, dietary adjustments, and targeted supplementation.

First, let’s talk about the sun. Forget the midday sunbathing advice you might hear elsewhere. In Denver, that intense sun can be damaging, especially at high altitude. Instead, aim for 15-30 minutes of sun exposure on your arms and legs, ideally between 10 am and 2 pm, when the UVB rays are strongest. This is especially important during the winter months.

But remember, even on a sunny day in Denver, the sun’s rays are weaker than at sea level. And if you’re diligently applying sunscreen (which you should be!), you’re further reducing Vitamin D production. This is where strategic supplementation comes in.

Choosing the right Vitamin D supplement can be overwhelming. Look for Vitamin D3 (cholecalciferol), which is more effective at raising blood levels than Vitamin D2 (ergocalciferol). A daily dose of 2000-5000 IU is generally recommended, but it’s crucial to get your Vitamin D levels tested by your doctor to determine the optimal dosage for you.

Several brands offer high-quality Vitamin D3 supplements. Thorne Research and NOW Foods are reputable options available at local health food stores like Natural Grocers on South Colorado Blvd. or online retailers. Consider a liquid or softgel form for better absorption.

Diet also plays a role, although it’s difficult to get sufficient Vitamin D from food alone. Fatty fish like salmon, tuna, and mackerel are good sources, as are egg yolks and fortified foods like milk and cereal. However, relying solely on diet is unlikely to be enough, especially for those with darker skin in Denver.

One common mistake people make is assuming that a multivitamin provides sufficient Vitamin D. Often, the dosage is too low to make a significant difference. Always check the label and consider a separate Vitamin D supplement.

Another pitfall is not getting your Vitamin D levels tested. Symptoms of deficiency can be vague and easily attributed to other causes, such as fatigue or seasonal affective disorder. A simple blood test can reveal your Vitamin D status and guide your supplementation strategy. Ask your doctor for a “25-hydroxyvitamin D” test.

Denver offers resources to help you stay healthy. The Denver Department of Public Health & Environment provides information on nutrition and wellness programs. Additionally, many local clinics offer Vitamin D testing and personalized recommendations.

Consider exploring community resources like the Center for African American Health on York Street. They often host health education workshops and can connect you with culturally competent healthcare providers.

Navigating Denver’s unique climate and lifestyle requires a proactive approach to Vitamin D. Don’t underestimate the impact of reduced sun exposure and indoor living, especially if you have darker skin. By combining strategic sun exposure, targeted supplementation, and a healthy diet, you can optimize your Vitamin D levels and thrive in the Mile High City.

Remember, this isn’t a one-size-fits-all solution. Consult with your doctor to determine the best course of action for your individual needs. Take control of your health and enjoy all that Denver has to offer, knowing you’re taking steps to protect your well-being.

The information provided on Core Wellness Guide is intended for general informational purposes only. The content on this site should not be construed as medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional before making any changes to your diet, exercise routine, or health regimen. I am not a licensed fitness or health professional. Any exercise or wellness programs or advice you choose to follow are done at your own risk. Core Wellness Guide is not liable for any injuries or damages resulting from the use or misuse of the information on this website. Some of the links on this website are affiliate links, meaning I may earn a small commission if you purchase products through these links. However, I only recommend products that I trust and believe will add value to my readers. Results from fitness and health programs may vary depending on individual factors such as age, gender, and fitness level. Testimonials or success stories on this blog are based on individual experiences and do not guarantee the same results for everyone. This blog may contain links to third-party websites, and I am not responsible for their content, privacy policies, or practices.