Vitamin C, also called ascorbic acid, is an essential nutrient and antioxidant that is important for tissue repair and enzyme function. It is considered essential because our bodies don’t manufacture it, and it is water soluble, so you need to replenish this vitamin every day. The recommended daily amount of vitamin C for women is 75 mg and 90 mg for men, while some studies showed that more benefits are recognized at higher amounts.
Unfortunately, vitamin C can be destroyed by high temperatures and other forms of food processing. Boiling and steaming food can cause up to a 34% loss of C while pressure cooking creates a loss of around 10%. Fresh fruits and vegetables are the best way to take advantage of all nutrients including vitamin C, but if you aren’t able to keep up with the recommended 5 – 9 servings a day, supplementation might be an option.
The functions of vitamin C are extensive, making it a widely researched nutrient with more benefits still being discovered today. It turns out that patients with health issues often have low levels of this nutrient, while those with health concerns have an increased need for antioxidants like ascorbic acid.
Environmental and lifestyle factors like smoking, stress or high amounts of air pollution also increase the need for vitamin C. And because it is an essential nutrient that our bodies rely on, the benefits are numerous including immune support, brain health protection and wrinkle prevention.
Immune support is by far the most common reason why people supplement with vitamin C. That’s because this nutrient is associated with many areas of immunity, helps protect cells and may even shorten wound healing time.
As an antioxidant vitamin C becomes part of the skin’s defense system, which is our outer layer of protection and often our first line of defense. Antioxidants protect us from free radicals that are linked to a host of health issues, and it just so happens that vitamin C is a type of antioxidant called carotenoids. And because it protects the integrity of cells, it is the perfect nutrient to support immune health.
It turns out that vitamin C is an important antioxidant that is vital for healthy brain function. (1) Our brains use a lot of oxygen, which makes them more prone to oxidative stress than other organs; it’s no wonder the brain has higher concentrations of vitamin C. In fact, some studies have found higher levels of C in those with healthy cognitive function but lower levels in those with impaired function. (2) It may be because as an antioxidant, vitamin C helps protect the brain from oxidative stress that can impact cognitive performance.
A Powerful Antioxidant
Vitamin C is a powerful antioxidant that protects out entire body, inside and out, from free radical damage. It helps the body manufacture collagen, which keeps our skin, eyes, and blood vessels strong. It helps prevent damage that can lead to a host of health conditions associated with oxidative stress and can even help your body regenerate vitamin E supplies. This may be the reason why it has been associated with lower blood pressure and considered a heart healthy nutrient.
Some researchers have gone so far as to call C the anti-aging vitamin. That’s because it is involved with collagen synthesis; the protein that keeps our skin from sagging. Collagen is not only necessary for firm skin, but also plays a role in skin repair and helps maintain the integrity of ligaments and tendons. It also gives our blood vessels flexibility which becomes more important as we age.
Signs of aging include wrinkles and deterioration of our eyes and overall health. Many aging experts claim that free radicals accelerate the aging process, while superior nutrition seems to slow it down. Antioxidants like vitamin C help ward off the signs of aging as it combats free radical damage. Consuming a diet high in foods that are abundant with this nutrient can help you fight the signs of aging, while supplementing with vitamin C can fill in any nutritional gaps.
Nutrition plays a role in not only physical health, but our mental health, as well. Our bodies need a supply of vitamins, minerals, and micronutrients to function at full capacity. And our brains rely on nutrients and antioxidants like vitamin C to function at its best. But vitamin C is also necessary for the balance of healthy brain chemicals that our bodies naturally produce.
When under stress, our bodies become depleted of nutrients. In fact, stress can impair the digestive system, leading to a lessened ability to break down and extract nutrients from foods we eat. This can create a cycle of stress and malnutrition as each condition worsens the other. To make matters worse, low levels of vitamin C have been linked to negative moods like sadness and anxiety.
This may be why researchers have found that vitamin C should be considered a part of stress management protocols. It seems to suppress stress while some studies showed that those who consume higher amounts of antioxidants like vitamin C report feeling calmer and less anxious.
Citrus fruits like oranges and lemons are known to be high in vitamin C, but you can also add strawberries, raspberries, cantaloupe, and red peppers to the list of foods rich in C. Since most foods contain far less than the RDA of this nutrient, aim for 7 – 9 servings of fruits and vegetables every day. And if you believe you need more, supplements are well tolerated and found to be useful when it comes to keeping your blood levels of vitamin C in a healthy range. And with all the benefits, you don’t want to miss your daily dose of this important nutrient.
1 Harrison FE, May JM. Vitamin C function in the brain: vital role of the ascorbate transporter SVCT2. Free Radic Biol Med. 2009;46(6):719‐730. doi:10.1016/j.freeradbiomed.2008.12.018
2 Travica N, Ried K, Sali A, Scholey A, Hudson I, Pipingas A. Vitamin C Status and Cognitive Function: A Systematic Review. Nutrients. 2017;9(9):960. Published 2017 Aug 30. doi:10.3390/nu9090960
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