1. Kordel’s Ester-C

Kordel’s Ester-C is a high-potency, non-acidic version of vitamin C that stays in your body and delivers reliable round-the-clock immune support.

Vitamin C is a soluble in water vitamin. Water-soluble vitamins are eliminated from the body considerably more quickly than fat-soluble vitamins. Kordel’s Ester-C is a concentrated form of non-acidic vitamin C that supports the immune system. Additionally, it contains citrus bioflavonoids, which are antioxidants that provide additional nutritional support for the immune system.

Each tablet consist 1000 mg vitamin C.

2. Blackmores BIO C

A one-a-day, high-potency solution designed to alleviate the severity and duration of typical cold symptoms.

How does it helps?

  • Reduces the severity and duration of symptoms associated with the common cold
  • Vitamin C supplementation at a high concentration once daily
  • Buffered with mineral ascorbates for a gentler on the stomach vitamin C 
  • Added bioflavonoids claimed to enhance vitamin C’s efficiency
  • Contains rosehips and acerola, both of which are vitamin C-rich
  • Contributes to the health of the immune system
  • Antioxidant characteristics that aid in the reduction of free radicals generated in the body 
  • Promotes overall health and well-being

Each tablet consist 1000 mg vitamin C.

3. GNC Vitamin C Timed-Release

This vitamin C is combined with a Citrus Bioflavonoids Complex that contains Quercetin, Hesperidin, and Rutin.

It has a lot of beneficial properties:

  • An antioxidant that contributes to the body’s protection against free radical damage and strengthens the body’s natural defenses against common illnesses.
  • Preserves and enhances the quality of collagen, which is necessary for firm skin and healthy blood vessels.
  • Essential for bone, tooth, blood vessel, and collagen health
  • Required for iron absorption

It is formulated with a timed release for a progressive release over 4-6 hours, suitable for Vegetarian and Kosher and each tablet consist 1000 mg vitamin C.

4. Swisse Ultiboost Vitamin C

Swisse Ultiboost Vitamin C  is a premium-quality, delicious blend that assists in reducing the severity and length of cold symptoms, supporting healthy immunological function, and maintaining healthy antioxidant activity.


Swisse Ultiboost Vitamin C  has been designed based on scientific research to give vitamin C in the form of a natural orange-flavored chewable tablet that promotes immune health.

  • Vitamin C aids in the reduction of the severity and duration of typical cold symptoms. The common cold is characterized by a blocked or runny nose, a dry cough, and mucous congestion.
  • The immune system is made up of cells and chemicals that are organized into specialized tissues that serve as the body’s first line of defense. Vitamin C contributes to the maintenance of a healthy immune system.
  • Antioxidant Support: Vitamin C acts as an antioxidant, helping to protect cells from free radical damage.
  • Orange Natural Flavor: Formulated without the addition of artificial flavors or colors.
  • Each tablet consist 500 mg vitamin C
5. Healthy Care Vitamin C

Healthy Care Vitamin C helps maintain the health of the immune system.

Vitamin C is a critical antioxidant in the diet, shielding the body from the damaging effects of free radicals. Healthy Care Vitamin C is beneficial for vitamin C supplementation and contributes to overall health and well-being.

  • Anti-oxidant
  • Contributes to the reduction of free radical damage to bodily cells
  • Assists in collagen production
  • Preserve overall health and well-being
  • Preserve the health and function of the immune system
  • Decrease the length of common colds
  • Assist in the alleviation of common cold symptoms
  • Assists in wound healing
  • No nuts, sugar, milk, dairy, gluten, egg, artificial flavors or sweeteners are added to this product
  • Each tablet consist 500 mg vitamin C
5. Bocalex C Vitamin C

Bocalex C  is used to supplement the body’s vitamin C requirements, to boost natural resistance, and to prevent flu, infections, viral illnesses, etc.

Bocalex C is supplemented in convalescent patients to decrease the duration of therapy.

Each tablet consist 1000 mg vitamin C.