Winter Wellness: Boost Vitamin D Naturally with Active Living

November 5, 2025 at 10:25 AM
The Independent

Regular, moderate-intensity exercise has been found to preserve vitamin D levels during Malta’s winter months, offering an affordable alternative to supplements. A study by UK universities revealed that participants in a 10-week indoor exercise program experienced smaller drops in vitamin D levels compared to sedentary individuals, even without sunlight or weight loss. Vitamin D is essential for immunity, bone health, and overall well-being, and exercise not only temporarily boosts levels after each session but also maintains baseline levels over time. Combining regular physical activity with a vitamin D-rich diet, including Mediterranean staples like oily fish, eggs, and fortified dairy products, can further enhance health. Malta’s winter wellness options, such as fitness classes, coastal walks, and health-conscious restaurants, make it easy to embrace this holistic approach, aligning with the Mediterranean lifestyle’s focus on vitality and well-being.

The Affordable Way to Boost Vitamin D in Winter Without Supplements

Maintaining optimal vitamin D levels during Malta’s cooler winter months doesn’t have to rely on supplements. A recent study offers a compelling solution: regular, moderate-intensity exercise. This method not only supports your overall health but also preserves crucial vitamin D levels, even in the absence of sunlight or weight loss. For those living in Malta, where the Mediterranean lifestyle often promotes wellness, this discovery is a welcome reminder of the power of physical activity.

Exercise: A Natural Vitamin D Booster

Researchers from the University of Bath, University of Birmingham, and University of Cambridge found that participants in a 10-week indoor exercise programme experienced a significantly smaller drop in vitamin D levels compared to those who remained sedentary. The study was conducted during the darker months, when sunlight exposure is limited, and participants were asked to avoid supplements to ensure accurate results. While maintaining stable body weight, the active form of vitamin D—essential for bone health, immunity, and organ function—was preserved solely through exercise.

This finding is particularly relevant for Malta, where winter sunlight is less intense, and locals may look for alternative ways to maintain their health. Regular cardio sessions, such as brisk walking, cycling, or dancing, could be your key to bridging the gap during these months.

Why Vitamin D Matters

Vitamin D plays a vital role in supporting a healthy immune system, strong bones, and overall well-being. While sunlight is the most natural source, Malta’s shorter daylight hours in winter make it harder to meet daily requirements. Traditionally, supplements have been the go-to solution, but this study reveals that exercise alone can be just as effective—if not more—for maintaining active vitamin D levels.

Previous research also showed that even a single workout could temporarily boost vitamin D levels. However, this latest study offers evidence that consistent, moderate exercise provides sustained benefits, helping you maintain your baseline levels during the colder season.

Food and Exercise: A Winning Combo

For those embracing a healthy lifestyle in Malta, combining exercise with a vitamin D-rich diet is a smart strategy. Local restaurants often feature Mediterranean staples like oily fish (salmon, mackerel, and tuna), eggs, and fortified dairy products, all excellent sources of vitamin D. Pairing these nutrient-packed foods with regular physical activity can amplify the benefits, giving your body the tools it needs to thrive during winter.

Imagine starting your day with a vitamin D-rich breakfast at one of Malta’s health-focused eateries, followed by a scenic walk along the coast or an indoor aerobics class. Not only are you boosting your vitamin D levels, but you’re also contributing to your overall physical and mental well-being—a cornerstone of the Maltese lifestyle.

Exercise vs. Supplements: Why It Works

The study, published in the journal Advanced Science, demonstrated that exercise benefits vitamin D levels in two ways. First, it temporarily increases vitamin D concentrations after each workout. Second, regular activity maintains baseline levels over time, offering lasting protection. This dual benefit makes exercise an effective and affordable alternative to supplements, particularly for individuals who are overweight or obese, as supplements may be less effective for them.

Lead author Dr. Oly Perkin explained, “This is the first study to show that exercise alone can protect against the winter dip in vitamin D. It’s a powerful reminder of how much we still have to learn about the broader health benefits of physical activity.”

Staying Active in Malta During Winter

Malta offers plenty of opportunities to stay active even during the cooler months. Whether it’s joining a local gym, attending yoga classes, or exploring the island’s hiking trails, maintaining a consistent exercise routine is achievable and enjoyable. For those seeking indoor options, fitness studios and community centres across Malta provide group classes that cater to all fitness levels. And after your workout? Refuel at one of the many health-conscious restaurants serving fresh, seasonal Mediterranean dishes.

A Holistic Approach to Winter Wellness

Ultimately, this study highlights the importance of embracing a holistic approach to health during winter. Exercise not only supports vitamin D levels but also improves mental health, aids digestion, and enhances energy—making it a cornerstone of a balanced lifestyle. Combine physical activity with a nutrient-dense diet featuring Malta’s rich culinary offerings, and you’ll set yourself up for a healthier, happier season.

As Professor Dylan Thompson, the principal investigator of the study, noted, “Exercise gives you a double benefit to your vitamin D, first in and around each exercise bout, and second through changing your baseline levels.” Whether you’re strolling through Malta’s picturesque streets or engaging in a dynamic fitness class, the benefits of staying active are undeniable.

Your Winter Wellness Plan

Embrace the Mediterranean way of life this winter by prioritizing physical activity, enjoying vitamin D-rich foods, and exploring Malta’s vibrant restaurant scene. With these simple steps, you can maintain your health, vitality, and happiness—even during the darker months.