5 Vitamin C Remedies to Fight Colds

The active ingredient in chili peppers is capsaicin, a substance that makes them spicy. In addition, they contain water, carbohydrates, fiber, protein, and vitamins, and, obviously, vitamin C. In this article, discover five amazing vitamin C remedies to fight colds.
5 Vitamin C Remedies to Fight Colds

Last update: 10 November, 2020

Vitamin C remedies for colds are effective and widely used by the general population. However, not enough scientific evidence backs them up.

Although they haven’t been fully proven, large doses of vitamin C can help reduce the duration of colds. However, they don’t protect you from catching them. This vitamin may also help those who undergo short periods of severe or extreme physical activity.

The effectiveness of vitamin C remedies can vary from one person to another, but they aren’t always effective. Most people tolerate a dose of 1000 to 2000 mg a day, but you should keep in mind that too much vitamin C can cause an upset stomach.

What’s vitamin C for?

Sources of vitamin C.

Vitamin C, also known as ascorbic acid, is an essential nutrient that plays a role in different bodily processes, such as:

  • Collagen formation
  • Wound healing
  • Immune function (hence the effectiveness of vitamin C remedies to fight colds)
  • Neurotransmitter synthesis

In addition, it’s an antioxidant substance. In other words, it can defend you from the action of free radicals. Free radicals are atoms or groups of atoms that have unpaired electrons. Thus, they can pair to others and are very reactive.

Vitamin C deficiency

You can get scurvy if you don’t get enough vitamin C. This is a disease characterized by:

  • Weakness
  • Muscle and joint pain
  • Spontaneous gum and skin bleeding that’s slow to heal

In addition, vitamin C deficiency also influences cardiovascular health. In fact, low vitamin C levels are associated with worse outcomes for heart failure patients.

5 vitamin C remedies to overcome colds

You don’t need to take supplements to get the recommended daily amount of vitamin C. In fact, many fruits and vegetables contain much more than the intake recommendations from the World Health Organization (WHO): 45 mg.

Although many people believe that orange and lemon are the main sources of vitamin C, the truth is that they aren’t. The scientific magazine BBC Focus published a list of the foods that contain the most vitamin C. Here are some of them:

1. Guava

Guavas in a basket.

This is one of the most effective vitamin C remedies for fighting colds. Every 100 grams provide 228 milligrams of vitamin C.

It’s used in many countries, such as the Philippines, due to its natural properties. Here are a few we can highlight:

  • Fights constipation. This is a fruit rich in fiber. Thus, it aids intestinal transit and helps solve these types of problems.
  • Rich in folic acid. Vitamin B is especially indicated for gestation, as it helps prevent possible fetal malformations.
  • Contains vitamin A and C. Provitamin A is essential in growth periods and aids eyesight, nail formation, and hair maintenance. As for vitamin C, it’s essential for the processes we explained above.

2. Blackcurrant

Blackcurrant provides 200 mg of vitamin C per 100 grams. In addition to being one of the most popular vitamin C remedies, it also stands out for the fact that it’s rich in other vitamins, such as B vitamins. It’s rich in:

  • Pantothenic acid (vitamin B5)
  • Pyridoxine (vitamin B6)
  • Thiamine (vitamin B1)

Also, it’s a food rich in iron, which is a mineral you need to protect yourself against immune deficiencies and fatigue by transporting oxygen to cells.

This article may interest you: The Diseases Vitamin Deficiencies Can Cause

3. Red pepper

This is a vegetable that contains 190 mg of vitamin C per every 100 grams. Also, it’s rich in fiber and antioxidants. Here are some of the other nutrients it contains:

  • Carotenoids
  • Flavonoids
  • Water
  • Vitamins B6 and B9
  • Capsaicin

4. Chili peppers

Chili peppers.

Their active ingredient is capsaicin, a substance that makes them spicy. Also, they contain water, carbohydrates, fiber, protein, and vitamins, and, obviously, they’re rich in vitamin C.

In fact, they provide 144 mg per 100 grams. In addition, chili peppers have pain-relieving, anti-inflammatory, and antimicrobial properties.

5. Parsley

Two tablespoons of parsley provide:

  • 2% of the reference daily intake (RDI) for calcium, iron, and folic acid
  • 12% vitamin A
  • More than 150% vitamin K
  • 16% vitamin C

It’s a food that benefits health in many ways, besides fighting colds. For example, parsley:

  • Contributes to the prevention of kidney stones
  • Provides joint pain relief
  • Fights fatigue
  • Helps to prevent and treat diabetes


In addition to these five vitamin C remedies to overcome colds, other foods are also rich in this vitamin. We recommend consuming them regularly to keep your immune system in good condition. If you have a cold, you can take advantage of their natural properties to fight it.

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  • Marquina, V., Araujo, L., Ruíz, J., Rodríguez-Malaver, A., & Vit, P. (2008). Composición química y capacidad antioxidante en fruta, pulpa y mermelada de guayaba (Psidium guajava L.). Archivos Latinoamericanos de Nutricion.
  • Valdés, F. (2006). Vitamina C. Actas Dermo-Sifiliograficas. https://doi.org/10.1016/S0001-7310(06)73466-4
  • Reyes, M. A., Zavala ç, C. D., & Martínez, A. A. (2013). Perejil (Petroselinum crispum): Compuestos químicos y aplicaciones. Tlatemoani Revista Academica de Investigación.