Causes and Symptoms of Vitamin C Deficiency


Symptoms of insufficient vitamin C levels can manifest as fatigue, increased vulnerability to bruising, and the presence of rough, uneven skin. Certain medical conditions, such as anorexia, may elevate the risk of experiencing this deficiency.


Vitamin C is a vital nutrient that requires regular consumption to avoid being deficient. Although deficiency is uncommon in developed nations due to abundant fresh produce and fortified foods, approximately 7% of adults in the US still experience it. 


Causes and Symptoms of Vitamin C Deficiency


Vitamin C Deficiency Causes:


Inadequate dietary intake, alcohol abuse, eating disorders, serious mental health conditions, smoking, and undergoing dialysis are the primary contributors to the risk of vitamin C deficiency. 


Inadequate Dietary Intake: 

One of the primary causes of vitamin C deficiency is a diet lacking in foods rich in this essential nutrient. Not consuming enough fruits and vegetables, which are common sources of vitamin C, can lead to deficiency.

Limited Food Variety: 

Following a diet that lacks diversity and primarily consists of processed foods can contribute to vitamin C deficiency. Failing to incorporate a range of fruits and vegetables reduces the chances of obtaining sufficient vitamin C.

Smoking: 

Smoking tobacco can deplete vitamin C levels in the body. Cigarette smoke contains harmful chemicals that increase the body's requirement for antioxidants, including vitamin C, leading to a higher risk of deficiency.

Alcohol Abuse: 

Excessive alcohol consumption can hinder the absorption and utilization of vitamin C in the body. Chronic alcohol abuse can also impair the liver's ability to store and release vitamin C, further exacerbating deficiency.


Malabsorption Problems: 

Some medical issues, such as Crohn's disease and celiac disease and digestive system surgeries, might prevent the body from absorbing and using vitamin C, leading to a deficit.


Increased Requirements: 

Certain situations can increase the body's need for vitamin C, potentially leading to deficiency if the intake is not adjusted accordingly. These situations include pregnancy, breastfeeding, intense physical activity, and periods of illness or stress.

Pharmaceuticals and Health Conditions:

Certain medications, like specific oral contraceptives and chemotherapy agents, have the potential to disrupt the equilibrium of vitamin C within the body. Moreover, particular medical circumstances or therapies (for instance, kidney disease, dialysis) can affect the metabolism of vitamin C and lead to its insufficiency.

Lack of Sunlight Exposure: 

Although sunlight does not directly provide vitamin C, it promotes the body's production of vitamin D, which is essential for optimal absorption and utilization of vitamin C. Insufficient sunlight exposure may indirectly affect vitamin C levels.


It's important to note that vitamin C deficiency is relatively rare in well-balanced diets, but understanding these causes can help identify potential risk factors and promote strategies to prevent deficiency.


Vitamin C Deficiency Symptoms:


1. Fatigue: 

A lack of vitamin C can result in persistent fatigue and a general feeling of weakness. This can make everyday tasks feel more exhausting than usual.

2. Slow Wound Healing: 

Vitamin C plays a crucial role in collagen production, which is essential for wound healing. Insufficient levels of vitamin C can lead to delayed healing of cuts, bruises, and other wounds.

3. Rough, Dry Skin:

Vitamin C plays a crucial role in producing collagen, a protein abundant in tissues such as skin, hair, joints, bones, and blood vessels. When vitamin C levels are low, it can lead to a skin condition called keratosis pilaris.

Keratosis pilaris manifests as rough, dry skin resembling "chicken skin" and typically appears on the back of the upper arms, thighs, or buttocks. It occurs due to an accumulation of keratin protein within the pores. If caused by a deficiency in vitamin C, keratosis pilaris usually emerges after three to five months of inadequate intake and can be resolved through vitamin C supplementation.

Nevertheless, it's important to note that keratosis pilaris can have various other causes, so its presence alone is insufficient to diagnose a vitamin C deficiency.

4. Dry and Splitting Hair: 

Inadequate vitamin C levels can affect the health of your hair, leading to dryness, brittleness, and split ends. Hair may appear dull and lack its natural luster.

5. Rough, dry skin: 

Vitamin C is involved in the production of collagen, a protein that helps maintain the skin's elasticity and moisture. Without enough vitamin C, the skin can become rough, dry, and prone to developing wrinkles.

6. Weakened Immune System: 

Vitamin C plays a important role in supporting the immune system, helping to fight off infections and illnesses. An insufficiency of this vitamin may lead to a compromised immune system, rendering you more vulnerable to frequent colds, influenza, and additional infections.

7. Muscle and Joint Pain: 

Low vitamin C levels can contribute to muscle and joint pain. Vitamin C is involved in the synthesis of carnitine, a molecule important for energy production in muscles. Deficiency can lead to muscle weakness, aches, and discomfort.

8. Mood Changes: 

Vitamin C is necessary for the synthesis of neurotransmitters like serotonin, which regulate mood. Inadequate levels of vitamin C can contribute to mood swings, irritability, and feelings of depression.

9. Easy Bruising: 

Vitamin C deficiency weakens blood vessels, making them more prone to rupture and resulting in easy bruising even from minor bumps or injuries.

10. Poor Dental Health: 

Insufficient vitamin C can lead to dental problems such as gum disease, loose teeth, and tooth loss. It can also cause a condition called scurvy, characterized by swollen and bleeding gums, tooth decay, and bad breath.

11. Anemia: 

Vitamin C enhances the absorption of iron from plant-based foods, aiding in the production of red blood cells. Without enough vitamin C, iron absorption may be impaired, leading to iron-deficiency anemia characterized by fatigue, weakness, and shortness of breath.

12. Frequent Infections: 

Vitamin C plays a crucial role in supporting the immune system's function, helping to defend against pathogens. A deficiency can make you more prone to infections, including respiratory infections, urinary tract infections, and skin infections.

13. Poor Appetite: 

Vitamin C deficiency can lead to a decreased appetite and a reduced interest in food. This can result in weight loss, nutritional deficiencies, and a compromised immune system.


Recommended Daily Vitamin C Intake:


When it comes to obtaining vitamin C, certain foods take the spotlight. For men, the recommended daily intake (RDI) is 90 mg, while for women, it's 75 mg. 

Smokers should aim for an additional 35 mg daily due to tobacco's impact on absorption and utilization of vitamin C. 

Interestingly, preventing scurvy requires just a small amount of vitamin C - a mere 10 mg per day. This amount can be obtained from one tablespoon of fresh bell pepper or the juice of half a lemon. 


Infants (0-6 months): 

Babies at this age need about 40 milligrams (mg) of vitamin C each day to support their growth and development.


Infants (7-12 months): 

As they continue to grow, infants between 7 and 12 months should aim for around 50 mg of vitamin C daily to support their immune system and overall health.


Children (1-3 years): 

Toddlers aged 1 to 3 years old should consume approximately 15 mg of vitamin C per day to promote healthy growth and combat infections.


Children (4-8 years): 

Children between 4 and 8 years old should increase their vitamin C intake to about 25 mg daily, helping their bodies stay strong and ward off illnesses.


Children (9-13 years): 

Kids aged 9 to 13 years need a slightly higher amount of vitamin C, aiming for around 45 mg per day to support their active lifestyles and overall well-being.


Adolescents (14-18 years): 

Teenagers have increased nutritional needs due to growth spurts. Males in this age group should consume around 75 mg of vitamin C daily, while females should aim for approximately 65 mg to support their changing bodies.


Pregnant women: 

During pregnancy, it is important for expecting mothers to increase their vitamin C intake to about 85 mg per day to support the growth and development of the fetus.


Breastfeeding women: 

Nursing mothers require an even higher intake of vitamin C, around 120 mg per day, as some of the vitamin is passed on to the baby through breast milk.


Remember, these are general recommendations, and individual needs may vary. It's always best to consult with a healthcare professional to determine the specific vitamin C requirements based on personal circumstances.


Some Sources of Vitamin C Foods


Vitamin C is an essential nutrient that our bodies need to stay healthy. Luckily, there are plenty of tasty and nutritious foods that are packed with this vital vitamin.


  • One excellent source of vitamin C is Citrus Fruits such as Oranges, Lemons, and Grapefruits. 

These juicy delights not only provide a refreshing burst of flavor but also deliver a good dose of vitamin C.


If you're not a fan of citrus, fear not! There are other fruits that can satisfy your vitamin C needs. 

  • Sweet Strawberries, Succulent Kiwis, and Tangy Pineapples are all excellent choices.


Vegetables are also fantastic sources of vitamin C. 

  • Crunchy bell peppers, both red and green, are packed with this nutrient. 
  • Leafy greens like Spinach and Kale are not only rich in vitamin C but also offer a host of other health benefits.


  • Another unique source of vitamin C is the tropical fruit, papaya. Its vibrant color and delicious taste make it a delightful addition to your diet.


If you're looking for a zesty kick, try adding some chili peppers to your meals. These spicy wonders not only add flavor but also provide a healthy dose of vitamin C.


Incorporating vitamin C-rich foods into your diet is easy and delicious. Whether you prefer fruity sweetness, crunchy vegetables, or a spicy twist, there are plenty of options to choose from to ensure you get your daily dose of this essential nutrient.


The Bottom Line


Vitamin C insufficiency is relatively uncommon in developed nations; nevertheless, it still affects over 1 in 20 individuals.


Since the human body lacks the ability to synthesize or store significant amounts of vitamin C, it must be regularly ingested to prevent insufficiency, preferably through the consumption of fresh fruits and vegetables.


There are numerous indications and manifestations of insufficiency, the majority of which are associated with disruptions in collagen synthesis or insufficient intake of antioxidants.


Some of the initial signs of insufficiency encompass fatigue, inflamed gums, susceptibility to bruising and bleeding, joint discomfort, and rough, uneven skin.


As the insufficiency progresses, bones may become fragile, deformities in nails and hair can arise, wound healing may be delayed, and the immune system may weaken.


Inflammation, anemia caused by iron deficiency, and unexplained weight gain are other potential sign to be vigilant about.


Fortunately, symptoms of insufficiency usually subside once vitamin C levels are replenished.



Baishakhi Ghosh

Baishakhi Ghosh- A renowned nutritionist and physician, specializing in the field of health and wellness.

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