Ceelin was introduced in the Philippines in the early 1970s as a pediatric vitamin C supplement. In 2023–2024, the brand celebrated its 50th anniversary, highlighting five decades of serving Filipino families. Throughout its history, Ceelin has expanded from its original vitamin C syrup into a broader range of products including oral drops, chewable tablets, gummies, and vitamin C plus zinc formulations. [1]

Ceelin is marketed and distributed by Unilab (United Laboratories, Inc.), the largest pharmaceutical company in the Philippines. Manufacturing of some Ceelin products is carried out by Amherst Laboratories, Inc., while certain newer supplement variants are produced by international manufacturing partners under Unilab’s supervision. [2]

The Ceelin brand includes several formulations:

• Ceelin Syrup – Vitamin C (ascorbic acid) syrup for children.

• Ceelin Oral Drops – Concentrated vitamin C drops for infants and young children.

• Ceelin Plus – Vitamin C combined with zinc, available as syrup and oral drops.

• Ceelin Plus Chewables – Chewable tablets containing vitamin C and zinc.

• Ceelin Gummies – Vitamin C gummies registered as a food supplement.

• Ceelin ImmunPed – A food supplement containing beta-glucan, vitamin C, and zinc. [2]

Ceelin products are intended to:

• Help prevent or treat vitamin C deficiency.

• Support normal immune system function.

• Provide antioxidant support.

• Contribute to normal collagen formation, which is important for skin, gums, bones, blood vessels, and wound healing.

Products that contain zinc are additionally formulated to provide dietary zinc supplementation. These products should be used according to the product label or a healthcare professional’s advice. [3]

Depending on the product variant, Ceelin is available in:

• Syrup

• Oral drops

• Chewable tablets

• Gummies

Many formulations are offered in child-friendly flavors such as orange, apple, pear, and lemon to improve acceptance among young children. [2]

Ceelin products are registered with the Philippine Food and Drug Administration (FDA).

• Ceelin Syrup (Vitamin C) is registered as an over-the-counter (OTC) drug.

• Some Ceelin Plus formulations have OTC registration, while others are registered as prescription products depending on the formulation.

• Ceelin Gummies and Ceelin ImmunPed are registered as food supplements and are not approved therapeutic drugs. [2]

Ceelin is widely distributed throughout the Philippines and is commonly available in pharmacies, hospitals, supermarkets, and online stores. The brand has become a familiar household name for pediatric vitamin C supplementation and has maintained a strong presence across multiple generations of Filipino families. [1]

Ceelin’s marketing emphasizes:

• Children’s immune health

• Daily vitamin C supplementation

• Trusted pediatric nutrition

• Family-oriented healthcare

• Child-friendly dosage forms and flavors

The brand frequently promotes healthy habits alongside proper nutrition and exercise as part of overall wellness. [1]

• Vitamin C (Ascorbic Acid)

• Zinc

• Dietary Supplements

• Unilab

1. Ascorbic Acid (Ceelin®) @ 50: Golden Years of Immunity – Article

2. FDA Verification Portal

3. https://www.mims.com