3 Vitamin D Benefits for Men: Science-Backed Support for Healthy Aging

Healthy aging is on everybody's minds; how do we keep our bodies in tip-top shape while navigating the inevitable changes that time brings? A great way to put your best foot forward is by practicing daily routines and healthy habits that support your body as you age. Men need several essential nutrients, and including them in a balanced diet, along with supplemental support, can help.

One of these essential nutrients is vitamin D, and you should keep it in mind as you age. Vitamin D is a key nutrient for bone and muscle health and plays a key role in immune health and healthy aging. Working it into your lifestyle is easier than you might think. Read on for an expert guide to vitamin D benefits for men.^†

What Is Vitamin D and Why Does It Matter for Men?

What is vitamin D? It’s an essential nutrient, which means we need it for our bodies to function. This fat-soluble vitamin plays several key roles in immune function, cell growth, muscle and bone support.^†

If it's so important, where do we get it? Unlike most other vitamins, we don't get most of our vitamin D from food. While it is present in some foods, and added to others, the majority of vitamin D in humans is produced when the skin is exposed to sunlight, specifically ultraviolet B (UVB) rays, which trigger vitamin D synthesis in the skin.

Access to sunlight can be inconsistent based on location, weather, sunscreen usage and lifestyle, so many people take a vitamin D supplement to provide a consistent daily source of this essential nutrient.

3 Key Benefits of Vitamin D for Men

What are the major vitamin D benefits for men?

#1 Supports Bone and Muscle Health

Our bones are mostly made up of calcium; you probably know that from a milk commercial or two. While getting calcium in your diet is vital to bone health, that's not all you need. Vitamin D is essential for bone health, as it improves our bodies' absorption of calcium.^†

Vitamin D and calcium work together; this essential vitamin directs the calcium from our food to our bones and teeth more efficiently, supporting the process of bone mineralization that makes them strong. Vitamin D also supports muscle health, which is vital for men staying active as they age.^†

#2 Supports Immune Health

Vitamin D works in the body by binding to vitamin D receptors, which are present on many cells. These receptors are present on immune cells that play a role in our innate immune systems, and on cells that regulate a healthy immune response.^[1] Ensuring your body gets adequate vitamin D helps to support the body's natural immune defenses.^†

#3 Cellular and Healthy Aging Support

We all age, so it's essential to make sure our bodies have everything they need to age well. While healthy aging involves many components, including regular physical activity, supportive rest, and hydration, it's important to remember the role that nutrients like vitamin D play in our overall wellness. You might wonder what exactly vitamin D and aging have to do with each other, so let’s dig into how vitamin D supports our cellular function, and the ways vitamin D supports healthy cellular aging.

Vitamin D provides cellular support, helping our immune cells function correctly, and plays a role in many other key systems that become increasingly important with age, including muscle and bone health. A clinical study showed that some shortening of leukocyte telomeres could be prevented in older adults by consistently taking 2000 IU vitamin D3 supplements for four years. Telomere length is a key indicator of cellular aging.^[2]†

Think of your chromosomes as tightly coiled strands of DNA, like shoelaces. At each end are telomeres, which act like the plastic tips that keep the laces from fraying. As cells divide, these tips naturally wear down—just like shoelace ends that weaken over time—leading to fraying and reduced cell function, a process known as cellular aging.^†

Taking proactive steps to support healthy aging, such as reviewing your nutrition and supplementation, is an excellent way for men to empower themselves as they age.

How Men Can Incorporate Vitamin D Into Their Routines

How can men include regular vitamin D in their daily routines? As with most nutrients, you can include vitamin D in your diet with vitamin D-rich foods like fatty fish, fortified milks and grain products, and eggs. However, the list of vitamin D foods is not particularly long, and most vitamin D is acquired from sun exposure on skin.

For proper vitamin D from the sun, aim for 15 minutes of sun exposure without sunscreen, with your face, legs, and arms uncovered. However, sunlight and food may not be enough, depending on your access to sunlight due to location, weather, or lifestyle choices.

If that's the case, you may be interested in a vitamin D supplement, an easy way to get a daily dose of this key essential nutrient. Nature Made offers several dietary supplements with science-backed ingredients, so you can choose the one that's right for you.

What to Consider Before Choosing a Vitamin D Supplement

With all those options, what's the best vitamin D supplement for you? That depends on a few factors, such as the form, dosage, and whether you want vitamin D alone or as part of a supplement blend.

Nature Made offers Vitamin D Softgels, including an extra strength dosage option. Extra Strength Vitamin D is formulated with 5000 IU (125 mcg) for those with higher Vitamin D needs and/or a vitamin D deficiency as determined by a healthcare professional.◆^†

If you prefer your nutrients in a tasty package, check out Nature Made Vitamin D3 Gummies, which support bone, teeth, muscle, and immune health in two delicious gummies in Strawberry, Peach, and Mango flavors with other natural flavors. We also offer Zero Sugar^‡ Vitamin D3 Gummies to support healthy cellular aging without sugar or aspartame.^†

Vitamin D3 + K2 Softgels include two essential vitamins that work together to support strong and healthy bones in one convenient package.^†

Vitamin D is also included in Nature Made Multivitamins, including Advanced Multivitamin Gummies For Him. Also check out Advanced Multivitamin 50+ For Him Gummies, targeted to address the changing needs of aging.^†

Always read the supplement label to understand the proper use and dosage for each supplement. It's also essential to consult with your primary healthcare provider before adding or changing a supplement routine. They can help you meet your health goals with personalized advice on how to live a healthy lifestyle.

Vitamin D3 vs. D2

What's the difference between vitamin D3 vs D2? Vitamin D2 is found in plants, while vitamin D3 is the form produced in animals and found in animal products. Both are bioavailable forms of vitamin D. However, the human body prefers vitamin D3, as it increases vitamin D levels in the bloodstream more rapidly than D2.^[3]†

Get the Support Your Body Needs

It's important to understand the role nutrition plays in aging. Why is nutrition important as we age? Nutrition supports men's health by supporting overall wellness. Understanding how do nutritional needs change over time can help you better support your aging journey with proper nutrition and aging support supplements.

All men need support as they age, and one key factor is vitamin D. This vitamin plays an essential role in supporting bone, muscle, and immune health, which are all pillars of healthy aging for men.^†

If you think you may benefit from a vitamin D supplement, explore a trusted brand like Nature Made's Vitamin D Supplements, with science-backed ingredients to support your daily health routine. Additionally, understanding the vitamin D benefits for women can bring support home for the whole family with Nature Made, the #1 pharmacist recommended vitamin and supplement brand.*

‡ Not a low calorie food

*Based on a survey of pharmacists who recommend branded vitamins and supplements.

† 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.

References

1. Oregon State University. Vitamin D. Linus Pauling Institute. Published April 22, 2014. https://lpi.oregonstate.edu/mic/vitamins/vitamin-D
2. Zhu H, Manson JE, Cook NR, et al. Vitamin D3 and Marine Omega-3 Fatty Acids Supplementation and Leukocyte Telomere Length: 4-Year Findings from the VITAL Randomized Controlled Trial. The American Journal of Clinical Nutrition. Published online May 21, 2025. doi:https://doi.org/10.1016/j.ajcnut.2025.05.003
3. Heaney RP, Recker RR, Grote J, Horst RL, Armas LA. Vitamin D(3) is more potent than vitamin D(2) in humans. J Clin Endocrinol Metab. 2011;96(3):E447-E452. doi:10.1210/jc.2010-2230