
Modern Lifestyle: Sitting 8 Hours a Day Indoors
In today’s modern era, especially in big cities like Jakarta, Surabaya, and Bandung, working 8 hours a day indoors has become the norm. Many office employees, creative workers, and digital professionals spend most of their time sitting in front of a computer screen, in air-conditioned rooms, with very little exposure to sunlight.
While it may seem comfortable, this lifestyle quietly brings its own set of health challenges. One of the most overlooked is vitamin D deficiency—a vital nutrient closely linked to sunlight exposure.
Lack of Sun Exposure = Risk of Vitamin D Deficiency
Vitamin D is often called the “sunshine vitamin” because the human body can naturally produce it when the skin is exposed to UVB rays from the morning sun. However, if a person:
- Rarely engages in outdoor activities.
- Spends most of their time inside closed buildings.
- Or is only exposed to sunlight through glass windows (which filter out UV rays).
their natural vitamin D production can be very low.
Unfortunately, this pattern is common among today’s office workers. Without realizing it, many people experience vitamin D deficiency, with symptoms such as fatigue, muscle aches, weakened immunity, and even mood swings.
Why Is Vitamin D Important?
Vitamin D plays an important role in various vital functions of the body, including:
- Supporting bone and dental strength by aiding calcium absorption
- Boosting the immune system, making us more resistant to infections
- Supporting muscle function, preventing aches and weakness from prolonged sitting
- Influencing mood and mental health, including reducing the risk of mild depression
- Lowering the risk of chronic diseases such as osteoporosis and type 2 diabetes
In other words, vitamin D is not only important for children or the elderly—it’s also crucial for full-time workers who rarely get direct sunlight.
Sources of Vitamin D You Can Consume
If it’s difficult to get enough sunlight, you can rely on vitamin D intake from food. Some natural sources of vitamin D include:
- Egg yolks
- Certain mushrooms (such as shiitake and maitake)
- Fish liver oil
- Saltwater fish
- Tilapia Fish
Tilapia: A Delicious and Practical Source of Vitamin D
Tilapia is not only rich in protein but also an excellent source of vitamin D. In every 100 grams of Regal Springs Indonesia tilapia fillet, you can get:
- 230% RDA of Vitamin D – well above the average daily requirement
- 20 grams of protein – helps maintain muscle mass
- 110 kcal – light and suitable for lunch or dinner
- 0 grams of saturated fat and 0 grams of sugar – safe for diets and diabetics
Tilapia is perfect as a healthy side dish during office breaks. It can be grilled, lightly stir-fried, or made into a nutritious clear soup.
Let’s Build a Balanced Lifestyle!
Working 8 hours a day is not a problem as long as you balance it with a healthy lifestyle and diet. The lack of sunlight due to indoor work can be compensated by meeting your vitamin D needs through food especially from natural sources like tilapia.
So, before your body runs out of energy or motivation midweek, make sure you’re getting your “sunshine” from your plate!


