Support Strong Bones, Immune Health & Muscle Function
Vitamin D3 is an essential nutrient with important roles throughout the body, and our Tenacity Fitness Vitamin D3 for Women provides a convenient 2,000 IU (50 mcg) daily serving to complement a healthy lifestyle through midlife and beyond.* Vitamin D is a fat soluble vitamin that supports bone density, and plays an essential role in the functioning of the muscles and boosting energy levels in the body.
Often referred to as the “sunshine vitamin,” Vitamin D is naturally produced by the body when skin is exposed to sunlight. It can also be obtained from certain foods, including oily fish, egg yolks and fortified foods. However, Vitamin D production from sunlight can vary depending on factors including season, location, age, skin pigmentation, time spent outdoors and sun protection.
Vitamin D plays a particularly important role in helping the body absorb calcium and maintain healthy bones. It is also required for normal muscle, nerve and immune system function.*
For women moving through their 40s, 50s and beyond, maintaining bone strength, muscle function and overall health becomes increasingly important, making Vitamin D3 a natural addition to a women-focused wellness routine.
Key Benefits of Vitamin D3 for Women
Vitamin D3 contributes to several important functions throughout the body.
Key benefits for women include:
✔ Supports Healthy Bones*
✔ Supports Calcium Absorption*
✔ Supports Normal Immune Function*
✔ Supports Healthy Muscle Function*
✔ Supports Energy Levels in the Body*
✔ Supports Normal Nerve Function*
✔ Supports Overall Wellbeing*
✔ Provides Seasonal Nutritional Support When Sunlight Exposure Is Lower*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Why Vitamin D3 Is Especially Important for Women
Vitamin D is important throughout adulthood, but bone and muscle health become particularly relevant for women through midlife and healthy aging. Vitamin D helps the body absorb calcium – one of the primary minerals required to build and maintain healthy bones.* As women age, maintaining bone health and density becomes increasingly important.
Vitamin D also supports normal muscle function, which is another important part of remaining strong, capable and physically active as we age.* This is why Vitamin D3 fits so naturally within the Tenacity Fitness approach to women’s wellness: supporting the foundations that help women stay strong and healthy for the long term.
Vitamin D3 & Bone Health
One of Vitamin D’s best-known roles is supporting healthy bones and bone density.* Vitamin D helps the body absorb calcium from the digestive tract and contributes to maintaining appropriate calcium and phosphorus levels needed for normal bone mineralization.*
Vitamin D3 & Immune Support
Vitamin D plays an important role in normal immune system function.* Immune cells use Vitamin D as part of normal immune activity, making sufficient Vitamin D status an important component of overall health and wellbeing. Vitamin D is an essential nutrient that contributes to the normal functioning of the immune system.*
Vitamin D3 & Muscle Function
The body requires Vitamin D for normal muscle function.* For women who strength train or simply want to remain active and capable as they age, supporting both bone health and muscle function is particularly relevant.
The Sunshine Vitamin & Seasonal Wellness
The body can manufacture Vitamin D when bare skin is exposed to ultraviolet light from the sun. During periods when sunlight exposure is lower – whether because of the season, location or simply spending more time indoors – natural Vitamin D production may also be reduced. Vitamin D3 supplementation offers a convenient way to maintain a consistent daily intake throughout the year.* Vitamin D is also involved in normal brain and nervous-system function.
Who Is Vitamin D3 For?
Our Vitamin D3 is ideal for adult women who:
- Want to support healthy bones
- Want to support normal calcium absorption
- Want to support normal immune function
- Want to support healthy muscle function
- Are focused on maintaining strength and physical health through midlife
- Spend limited time outdoors
- Want consistent Vitamin D intake throughout the year
- Are focused on healthy aging
- Want a simple once-daily Vitamin D3 supplement
Vitamin D3 Supplement Details
Active Ingredient: Vitamin D3 (as Cholecalciferol) – 50 mcg / 2,000 IU per softgel
Other Ingredients: Softgel (gelatin, glycerin, water), soybean oil, corn oil.
Contains: Soy
Manufacturer’s country: USA
Product amount: 100 softgels
Gross weight: 1.6 oz / 0.1 lb / 45 g
Suggested use: As a dietary supplement, adults take one (1) softgel capsule daily or as directed by a healthcare professional.
WARNING: Keep out of reach of children. Do not use if the safety seal is damaged or missing. Store in a cool, dry place and away from direct light.
If you are pregnant or nursing, take medication or have a known medical condition, consult your healthcare professional before using this or any dietary supplement.
This product contains gelatin and is therefore not suitable for vegetarians or vegans.
Our Vitamin D3 has undergone quality testing that includes Vitamin D3 content, heavy metals and microbiological quality.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Why Choose Tenacity Fitness D3 for Women?
At Tenacity Fitness, our products are selected for women, by a woman who understands the stages of life our customers are navigating. As a women’s Personal Trainer and Health Coach in midlife myself, I am both personally and professionally invested in what helps women remain strong, active, confident and healthy through midlife and beyond.
Our Women’s Wellness collection is built around that mission. Maintaining bone health, muscle strength, fitness and long-term physical capability is central to the way I approach healthy aging – and Vitamin D3 fits naturally within that bigger picture. Our Vitamin D3 is manufactured in the USA within a cGMP-compliant dietary supplement manufacturing and packaging operation and is supported by third-party quality testing.
I believe women deserve supplements backed by quality, and every product is selected to complement a healthy lifestyle and long-term wellbeing.
Frequently Asked Questions
What Is Vitamin D3?
Vitamin D3, also known as cholecalciferol, is one of the main forms of Vitamin D.
What Are the Benefits of Vitamin D3 for Women?
Vitamin D contributes to several important functions in women, including:
- Maintaining healthy bones*
- Supporting calcium absorption*
- Supporting normal muscle function*
- Supporting normal immune function*
- Supporting normal nerve function*
These functions become particularly relevant as women focus on maintaining strength and health through midlife and healthy aging.
How Much Vitamin D3 Is in Each Softgel?
Each softgel provides 50 mcg of Vitamin D3, equivalent to 2,000 IU.
Is Vitamin D3 Important for Women Over 40?
Vitamin D is important throughout adulthood. For women in their 40s and 50s, maintaining bone health and muscle function becomes an increasingly important part of healthy aging. Vitamin D supports calcium absorption, healthy bones and normal muscle function.*
Does Vitamin D3 Support Bone Health?
Yes. Vitamin D helps the body absorb calcium and supports normal bone mineralization and healthy bones.*
Does Vitamin D3 Support the Immune System?
Yes, Vitamin D is required for normal immune system function.*
Does Vitamin D3 Support Muscle Function?
Yes. Vitamin D plays a role in normal muscle function.* This makes adequate Vitamin D particularly relevant for women who want to remain strong and active as they age.
Why Is Vitamin D Called the Sunshine Vitamin?
The body produces Vitamin D when bare skin is exposed to ultraviolet light from the sun. Because sunlight exposure can vary significantly throughout the year and between individuals, dietary sources and supplements can provide another source of Vitamin D.
What Is the Difference Between Vitamin D2 and Vitamin D3?
Vitamin D supplements are generally available as either Vitamin D2 (ergocalciferol) or Vitamin D3 (cholecalciferol). Both can raise Vitamin D levels in the body, although Vitamin D3 may raise and maintain blood Vitamin D levels more effectively than D2. This product contains Vitamin D3 as cholecalciferol.
When Should I Take Vitamin D3?
Vitamin D is fat-soluble. Because this Vitamin D3 softgel already contains soybean and corn oils, it provides the Vitamin D in an oil-based softgel. Take one softgel daily according to the product directions or as advised by your healthcare professional.
Is This Vitamin D3 Third-Party Tested?
Yes. The underlying Vitamin D3 product has been tested for Vitamin D3 content, heavy metals and microbiological quality.
Where Is Tenacity Fitness Vitamin D3 Made?
Our Vitamin D3 is made in the USA.
Support Strong Bones & Healthy Aging Every Day
Tenacity Fitness Vitamin D3 for Women provides 2,000 IU (50 mcg) of Vitamin D3 in one convenient daily softgel to support healthy bones, calcium absorption, normal immune function and healthy muscle function.*
For women investing in staying strong, active and healthy through midlife and beyond, Vitamin D3 is a simple addition to a comprehensive women’s wellness routine.*
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FDA Disclaimer
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
