Do We Really Get Enough Vitamin D?
Most of us know that vitamin D is called the “sunshine vitamin.” When sunlight hits our skin, it initiates a process that helps our bodies create vitamin D. But what happens when we spend more time indoors, live in colder climates with less sunlight, or just don’t get as much sun as we’d like?
That’s where the conversation around vitamin D supplementation starts to matter.
Why Vitamin D Matters
Vitamin D plays a powerful role in our overall health—and not just for our bones.
Some of the key benefits include:
Supporting a healthy immune system
Helping regulate mood and energy
Improving calcium absorption for strong bones and teeth
Reducing inflammation
Supporting muscle function
When we don’t get enough vitamin D, it can show up in ways we might not immediately connect—like getting sick more often, feeling low energy, or having trouble sleeping.
But Can’t We Just Get It from the Sun?
In an ideal world—sure. But the reality is more complex. Even if you spend time outside regularly, a number of factors can affect how much vitamin D your body actually produces:
Time of year (UVB rays are weaker in fall/winter)
Geographic location (northern areas get less direct sunlight)
Skin tone (melanin reduces vitamin D production)
Clothing coverage or time of day (less skin exposure = less vitamin D)
So while sunshine is important, for many people it’s just not enough—especially in colder or cloudier months. That’s why vitamin D deficiency is surprisingly common.
The Vitamin D + K2 Connection
You may have seen supplements labeled “Vitamin D3 + K2” and wondered: why the combo?
Here’s the short version:
Vitamin D3 helps your body absorb calcium.
Vitamin K2 helps that calcium go where it’s supposed to go—into your bones and teeth, and not your arteries or soft tissues.
When taken together, they work synergistically to support bone health and reduce the risk of unwanted calcium buildup in the body.
Drops vs. Pills, Sprays & Gummies: What’s the Difference?
When it comes to supplements, there’s no shortage of options. But here’s why many people choose liquid drops, especially when it comes to vitamin D and K2:
No matter which form you choose, quality matters. Look for clean brands that use third-party testing, natural sources of D3, and the more bioavailable form of K2 (MK-7).
Final Thoughts: A Small Change That Can Make a Big Difference
Most of us don’t think about vitamin D until we feel run-down or get a lab test. Building it into your daily routine can be one of those small but powerful habits that pays off in better energy, stronger immunity, and long-term bone health. And when paired with K2, it’s even more effective.
If you’re not sure where to start, talk with your doctor about testing your levels and finding the right form for you. Whether it’s drops, gummies, or capsules—the most important thing is consistency.
Our family uses AG1 Vitamin D3 K2 Drops. So far, we love them. They are easy to use, don’t have a horrible taste and we think they may just work! When you purchase from AG1, you will receive a year's supply of Vitamin D3+K2, 5 free AG1 Travel Packs, and $15 off your first order.
