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What Do Vitamin C Supplements Do? Unpacking the Benefits and Facts
All About Vitamin C > What Do Vitamin C Supplements Do? Unpacking the Benefits and Facts

What Do Vitamin C Supplements Do? Unpacking the Benefits and Facts

07/09/2025 By Bubs Naturals

Table of Contents

  1. Introduction
  2. The Role of Vitamin C in the Body
  3. Health Benefits of Vitamin C Supplements
  4. Sources of Vitamin C
  5. Recommended Intake Levels
  6. Are There Risks to Taking Vitamin C Supplements?
  7. Conclusion
  8. FAQ

Introduction

Did you know that nearly 90% of Americans fail to meet their daily recommended intake of vitamin C? This essential nutrient plays a pivotal role in numerous bodily functions, yet many of us may not fully grasp its significance. From supporting the immune system to aiding in collagen production, vitamin C is truly a powerhouse nutrient. But what do vitamin C supplements do, and should we be taking them?

Vitamin C, or ascorbic acid, is a water-soluble vitamin that our bodies cannot produce on their own. This means we must obtain it from our diet or supplements. Historically, vitamin C rose to prominence in the 18th century when sailors discovered that citrus fruits could prevent scurvy, a disease caused by vitamin C deficiency. Today, we still rely on this vitamin not only for preventing deficiency but also for its myriad health benefits.

In this blog post, we will explore the various functions of vitamin C, its health benefits, the recommended intake levels, and the role of supplements in achieving optimal vitamin C levels. By the end, you'll have a comprehensive understanding of what vitamin C supplements can do for you and whether you should consider them as part of your wellness journey.

The Role of Vitamin C in the Body

Vitamin C is vital for several physiological functions in our bodies. Here are some of the key roles it plays:

1. Antioxidant Properties

Vitamin C is a powerful antioxidant, meaning it helps protect our cells from damage caused by free radicals—unstable molecules that can lead to oxidative stress. This oxidative stress is linked to chronic diseases such as heart disease and cancer.

2. Collagen Production

This vitamin is essential for synthesizing collagen, a protein that helps maintain skin elasticity and integrity, support connective tissues, and promote healing. Collagen is found in skin, tendons, ligaments, and blood vessels, making vitamin C crucial for overall skin health.

3. Immune System Support

Vitamin C is known to enhance the immune system by supporting the production and function of white blood cells, which are vital for fighting infections. Studies have shown that adequate vitamin C intake may help reduce the duration and severity of colds.

4. Iron Absorption

Vitamin C improves the absorption of non-heme iron—the type of iron found in plant-based foods—making it an important nutrient for those following vegetarian or vegan diets.

5. Neurotransmitter Synthesis

It also plays a role in synthesizing neurotransmitters, which facilitate communication between nerve cells and are critical for brain function.

Each of these functions highlights why it's important to maintain adequate vitamin C levels in our bodies.

Health Benefits of Vitamin C Supplements

1. Boosting Immunity

Research indicates that vitamin C may help reduce the risk of infections and enhance immune function. It has been shown to stimulate the production of lymphocytes and phagocytes, which protect the body from pathogens.

2. Reducing Blood Pressure

Vitamin C supplements have been linked to modest reductions in blood pressure levels. One study found that taking vitamin C could lower systolic blood pressure by an average of 3.8 mmHg and diastolic blood pressure by 1.5 mmHg.

3. Heart Health

Some studies suggest that higher vitamin C intake is associated with a reduced risk of cardiovascular disease. A review of multiple studies indicated that individuals who took vitamin C supplements had a 25% lower risk of heart disease compared to those who did not.

4. Protecting Against Gout

Vitamin C may help lower uric acid levels in the blood, which can protect against gout attacks. Research has shown that men who consumed the highest amounts of vitamin C had significantly lower blood levels of uric acid.

5. Improving Skin Health

The antioxidant properties of vitamin C can help protect skin cells from damage caused by UV exposure and pollution. Moreover, its role in collagen synthesis can help reduce the appearance of wrinkles and promote overall skin health.

6. Potential Cognitive Benefits

Some studies suggest that a higher intake of vitamin C may be linked to a lower risk of cognitive decline and dementia. While more research is needed, maintaining adequate vitamin C levels may support brain health as we age.

Sources of Vitamin C

While supplements can help bridge the gap, we believe that obtaining nutrients from whole foods is the best approach. Excellent food sources of vitamin C include:

  • Citrus Fruits: Oranges, grapefruits, lemons, and limes
  • Berries: Strawberries, raspberries, and blueberries
  • Vegetables: Bell peppers, broccoli, and Brussels sprouts
  • Other Fruits: Kiwi, mango, and papaya

To ensure you get enough vitamin C, aim for a diverse diet rich in fruits and vegetables. If you're looking for an easy way to boost your intake, consider our Vitamin C+ supplement, which provides a potent dose of this essential nutrient, perfect for supporting your immune function and overall wellness.

Recommended Intake Levels

The recommended daily allowance (RDA) for vitamin C varies based on age, sex, and life stage:

  • Adult Men: 90 mg
  • Adult Women: 75 mg
  • Pregnant Women: 85 mg
  • Breastfeeding Women: 120 mg
  • Smokers: An additional 35 mg is recommended due to increased oxidative stress.

While most people can meet their vitamin C needs through diet alone, some individuals may benefit from supplementation, especially if they have dietary restrictions or certain health conditions.

Are There Risks to Taking Vitamin C Supplements?

Vitamin C is generally safe, but like any supplement, it can have side effects, particularly at high doses. The safe upper limit for vitamin C is 2,000 mg per day. Exceeding this amount may lead to:

  • Gastrointestinal disturbances (e.g., diarrhea, nausea)
  • Stomach cramps
  • Potential kidney stones in susceptible individuals

Individuals with certain conditions, such as hemochromatosis (iron overload disorder), should consult a healthcare professional before taking vitamin C supplements, as they can enhance iron absorption.

Conclusion

Vitamin C is an essential nutrient that plays a crucial role in our health, from boosting our immune system to supporting collagen production. While we can obtain adequate amounts from a balanced diet rich in fruits and vegetables, supplements can provide a convenient option for those who may struggle to meet their needs.

At BUBS Naturals, we believe in a life of adventure, wellness, and purpose. Our commitment to clean, high-quality ingredients ensures that our Vitamin C+ supplement aligns with our mission of supporting active lifestyles. As we honor the legacy of Glen “BUB” Doherty, we also pledge to donate 10% of our profits to veteran-focused charities, making every purchase a part of a greater purpose.

FAQ

1. Can I get enough vitamin C from my diet alone? Yes, most people can meet their vitamin C needs through a balanced diet rich in fruits and vegetables. However, those with dietary restrictions may benefit from supplementation.

2. How do I know if I need a vitamin C supplement? If you're experiencing symptoms of deficiency, such as fatigue, frequent infections, or gum issues, consult with a healthcare provider to determine if a supplement is right for you.

3. Is it safe to take vitamin C supplements daily? For most people, taking vitamin C supplements within the recommended dosage is safe. However, exceeding 2,000 mg per day may lead to side effects.

4. Can vitamin C cure the common cold? While vitamin C cannot prevent the common cold, it may help reduce the severity and duration of symptoms for some individuals.

5. Are there interactions between vitamin C and medications? Vitamin C may interact with certain medications, including blood thinners. Always consult your healthcare provider before starting any new supplements, especially if you are on medication.

Incorporating vitamin C into your routine can support your overall health and wellness, and we encourage you to explore our full range of products to enhance your journey!

*Disclaimer:

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. Product results may vary from person to person.

Information provided on this site is solely for informational purposes only. It is not a substitute for professional medical advice. Do not use this information for diagnosing or treating a health problem or disease, or prescribing of any medications or supplements. Only your healthcare provider should diagnose your healthcare problems and prescribe treatment. None of our statements or information, including health claims, articles, advertising or product information have been evaluated or approved by the United States Food and Drug Administration (FDA). The products or ingredients referred to on this site are not intended to diagnose, treat, cure or prevent any disease. Please consult your healthcare provider before starting any supplement, diet or exercise program, before taking any medications or receiving treatment, particularly if you are currently under medical care. Make sure you carefully read all product labeling and packaging prior to use. If you have or suspect you may have a health problem, do not take any supplements without first consulting and obtaining the approval of your healthcare provider.

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