At Nature’s Life, we love the sun. It’s in our name, our logo, and our outlook. The sun doesn’t just make our planet habitable, it nourishes our bodies—and our souls—every day.
But when winter rolls around, our relationship to the sun shifts. Days get shorter, temperatures cool, and we tend to spend more time indoors. That change in rhythm affects more than just your mood—it can also influence how your body produces and uses energy.
That’s where B vitamins come in. These powerhouse nutrients help keep your body balanced and supported, even when we face down seasonal darkness. Let’s explore why the benefits of B are even more essential during the winter, from supporting cardiovascular health to cellular energy.*
Why B Vitamins matter more in winter
The colder, darker months can take a toll on both body and mind. Less sunlight means lower vitamin D and serotonin levels, both of which can influence mood and energy.1 We also spend more time inside, moving less and relying on heavier meals that may not deliver the full range of nutrients our bodies need.
That’s why winter is the perfect time to double down on nutritional fundamentals to support the systems that keep your body thriving and feeling its best. That’s how you adapt instead of slowing down.
Understanding the B vitamin family
“Vitamin B” isn’t just one nutrient; it’s a group of eight distinct vitamins that work together to help your body convert food into usable energy. Each member of the B family has a slightly different job, but they all play a role in keeping your systems running smoothly.2
B vitamins are water-soluble, meaning your body doesn’t store them for long periods. Instead, you need to replenish them daily through food or supplementation.2
While all B vitamins contribute to overall wellness, for us, two of them shine particularly brightly: riboflavin (B-2) and niacinamide (B-3).* Let’s examine where each of them comes from and what they can do for us.
Riboflavin (B-2)
Riboflavin is an essential B vitamin that helps your body turn carbohydrates, fats, and proteins into fuel—a process known as energy metabolism. Without it, the chain reaction that converts your food into energy may struggle to function efficiently.3
But riboflavin does more than fuel your cells. It also:*
- Supports cardiovascular health by contributing to normal energy production in cells, including those of the heart.3
- Supports healthy homocysteine levels, which participate in cardiovascular systems.3
- Supports healthy red blood cells, key for oxygen transport and overall vitality.4
- Supports nerve function, helping your muscles and brain transfer crucial messages.*
In short: riboflavin keeps your systems humming along. When daylight’s limited, that kind of support can make a real difference.
Niacinamide (B-3)
Niacinamide, one of two common forms of vitamin B-3, is equally vital for supporting your body’s cellular energy.* It’s a key player in creating NAD+ and NADH, coenzymes that help your cells generate ATP, your body’s primary energy currency.*
Put simply, niacinamide helps your cells metabolize energy, even when your pace changes with the season. It also supports nervous system health, which plays a major role in various daily functions.*
If you find yourself missing that spring in your step during seasonal change, B-3 and B-2 are essential offerings from Mother Nature that can provide essential support.
Where to get B vitamins from your diet
The good news? You can find both B vitamins in a variety of everyday foods. A balanced plate can go a long way toward keeping your B levels steady, especially when paired with mindful supplementation during the darker months.
Foods rich in vitamin B include:3
- Eggs
- Milk
- Meat
- Enriched flour
- Green vegetables
Because your body can’t store B vitamins for long, daily intake matters. In winter, when fresh produce and outdoor activity often take a backseat, adding a high-quality B vitamin supplement can help bridge the gap and keep you feeling like your best self, no matter the weather.*
Sun-to-soil B vitamin formulas
At Nature’s Life, we believe living in harmony with Mother Nature starts with adapting to the changing of her seasons. In the animal world, winter prep is second nature—one example being hibernation—and nutrition is a big part of that.
Humans don’t hibernate (as appealing as that sounds), but nutrition is no less important for us. Seasonal treats and the ubiquity of highly processed foods can leave our B vitamin levels out in the cold.
Here are two lab-verified formulas to keep you feeling your sunniest:
Energizing Vitamin B-2
This once-daily formula offers 250 mg of riboflavin (B-2) per serving to support:*
- Cardiovascular health
- Cellular energy metabolism
- Healthy homocysteine levels
- Healthy red blood cells
- Nerve function
[Shop Energizing Vitamin B-2 →]
Energizing Niacinamide (B-3)
This formula delivers a high-potency 1,000 mg serving of niacinamide (B-3) to support:*
- Cellular energy metabolism
- Nervous system health
It also functions as a powerful precursor to NAD+ and NADH.*
[Shop Energizing Niacinamide →]
Adapting to the Seasons
At Nature’s Life, we believe wellness isn’t about resisting winter’s call; it’s about adapting to it. Each season brings its own challenges, and your body deserves the right tools to thrive through them all.
B vitamins are a simple, foundational way to do that, helping your body stay vibrant, balanced, and ready for whatever winter brings.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Resources
- Mead M. Benefits of sunlight: a bright spot for human health. Environmental Health Perspectives, National Library of Medicine, National Institutes of Health, 2008. https://pmc.ncbi.nlm.nih.gov/articles/PMC2290997/
- Cleveland Clinic. A close look at each of the B vitamins: benefits, food sources and more.
- Li, M and Zumin, S. Riboflavin Intake Inversely Associated with Cardiovascular-Disease Mortality and Interacting with Folate Intake: Findings from the National Health and Nutrition Examination Survey (NHANES) 2005–2016. Nutrients, National Center Library of Medicine, National Institutes of Health, 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9785396/
- Mahabadi, N et al. Riboflavin deficiency. StatPearls, Treasure Island, National Library of Medicine, National Institutes of Health, 2025. https://www.ncbi.nlm.nih.gov/books/NBK470460/