“Everything” you need to know about vitamin C supplements!

10/03/2025

Vitamin C supplements belong to the group of vitamin supplements that help prevent certain diseases in the body. Although they are supplements, they can also cause “reverse effects” or not “fully exert” their effects if used incorrectly. 

In this article, let's learn more about this product line and how to use them with NanoFrance. Don't forget to check it out!

I. What is Vitamin C? How does it work?

1. What is Vitamin C? Characteristics of Vitamin C

Vitamin C is a chemical compound Ascorbic Acid that is easily soluble in water, slightly soluble in alcohol and organic solvents. They are relatively stable to heat, but are relatively easily oxidized by oxygen in the air. This type of Vitamin is abundant in natural foods. In addition, we can also take them into the body through functional foods supplemented with Vitamin C.

vitamin c supplements

2. Effects of Vitamin C on health

Vitamin C has 4 main effects: Anti-oxidant; Strengthens eye health, reduces progression of cataracts; Helps hair become stronger and skin brighter; Protects the health of pregnant women:

Vitamin C supplements help fight free radicals

Water-soluble vitamin C acts as an effective antioxidant, combined with other antioxidants such as superoxide, catalase, glutathione peroxidase... In addition, they also support the epithelial barrier, fight pathogens, stimulate the body's antioxidant activity and protect cells, avoiding damage from free radicals.

In particular, they also help enhance the function and activity of immune system protective cells, thereby promoting the recovery of damage, especially skin damage and bruises on the skin.

⇒ Using Vitamin C supplements helps improve immune problems and susceptibility to respiratory infections.

vitamin c supplements

Vitamin C helps improve eye health

Many scientific studies have shown that: People who supplement with Vitamin C have a lower chance of developing eye diseases such as macular degeneration, cataracts, etc. The explanation for this problem: Because Vitamin C acts as an effective antioxidant, it helps prevent eye aging, increases blood circulation to the eyes, improves health and prevents disease.

Brighter skin, stronger hair thanks to Vitamin C

One of the important roles of Vitamin C for the human body is to produce Collagen. Collagen is a type of Protein that plays a role in developing connective tissues such as muscles, skin, cartilage, ligaments, etc. Therefore, if you use this Vitamin regularly, you will have smooth hair, healthy skin, and good elasticity.

Protect pregnant women's health

We all know the harmful effects of Nicotine (found in cigarette smoke) that negatively affect the health of pregnant women, whether through direct or indirect exposure. In cases of frequent exposure to cigarette smoke, women are at higher risk of premature birth, low birth weight, and even birth defects and miscarriages. However, thanks to Vitamin C, the harmful effects of Nicotine can be better controlled.

effects of vitamin c

In addition to the four major effects above, Vitamin C also has many other benefits for the body such as: Supporting and enhancing the activity of Vitamin E, enhancing the body's ability to absorb iron, preventing anemia, and protecting blood vessel walls.

II. Main dosage forms of Vitamin C supplements

Currently, Vitamin C supplements are produced in many different dosage forms such as:

→ Pills (capsules, tablets): Vitamin C is supplemented into the body in pill form. To get them into the body, you need to supplement with water.

→ Lozenges: Instead of being swallowed, this dosage form is sucked until it completely dissolves. They are usually sweet in taste.

→ Vitamin C supplements in powder form: Most Vitamin C supplements for children will be prepared in powder form. They will be mixed with filtered water or fruit juice for use.

→ Supplement Vitamin C with liquid supplements: No need to dissolve like powder, we can use it directly.

→ Chewable tablet form: This is also a relatively popular dosage form, they are often used like candy.

→ Vitamin C in effervescent tablets: They are essentially effervescent tablets. How to use: Dissolve in water and use. 

functional foods containing vitamin c

III. How should you take Vitamin C supplements?

There are 2 things you need to keep in mind when using functional foods containing Vitamin C: Time of taking and dosage of Vitamin C.

When should I take Vitamin C supplements?

According to nutritionists, the best time to take Vitamin C is on an empty stomach. So, you can choose some of the following times:

  • Drink in the morning, about 30 minutes before meals.
  • 2 hours after meals

You need to note that: This is a water-soluble vitamin, excess vitamins instead of being absorbed will be excreted through urine.

take vitamin c

Control the amount of Vitamin C you take in!

Experts also give the appropriate dosage of Vitamin C to be taken into the human body as follows:

Object Dosage
Children from 1-3 years old 15mg
Children from 4-8 years old 25mg
Children (9-13 years old) 45mg
Teenagers (14-18 years old) 65-75mg
Adult women 75mg
Adult male 90mg
Pregnant women 85mg
Breastfeeding women 120mg

 

Hopefully with the above information, you have supplemented yourself with sufficient knowledge about the Vitamin C dietary supplement line. Don't forget to regularly follow NanoFrance's Fanpage to update more interesting information!