IMMUNPRO (stylized as ImmunPro®) is a Philippine over-the-counter (OTC) vitamin supplement brand formulated to help support the immune system. The brand is manufactured and marketed by Unilab, the largest pharmaceutical company in the Philippines [1]. ImmunPro is best known for its combination of Vitamin C (ascorbic acid/sodium ascorbate) and zinc, nutrients that contribute to normal immune function and antioxidant protection.

ImmunPro was introduced as part of Unilab’s consumer health portfolio to provide a daily immune support supplement combining Vitamin C and zinc in a single tablet. The IMMUNPRO trademark was originally filed in 2014 and later assigned to Unilab, which continues to own and renew the trademark in the Philippines [2].

The brand gained broader public recognition during the COVID-19 pandemic, when immune-support supplements experienced increased demand in the Philippines. While ImmunPro became widely used, health authorities continued to emphasize that vitamin supplements are intended to support nutrition and are not treatments or cures for viral diseases [1].

ImmunPro®

The flagship product contains:

• Vitamin C (equivalent to 500 mg sodium ascorbate)

• Zinc sulfate monohydrate providing 10 mg elemental zinc

According to Unilab, the formulation is designed to provide the recommended daily combination of Vitamin C and zinc to help support immune function and increase body resistance [1].

ImmunPro® Prime

A premium variant that contains:

• Vitamin C – 500 mg

• Zinc – 10 mg

• Vitamin D3 – 1,000 IU

This formulation adds Vitamin D3, another nutrient involved in normal immune function and bone health [3].

ImmunPro uses what Unilab describes as ZincPlus Tablet Technology, intended to stabilize the combination of Vitamin C and zinc and support their absorption in a single tablet [1].

Unilab states that ImmunPro may help:

• Support normal immune system function

• Increase body resistance

• Provide antioxidant protection through Vitamin C

• Supply the daily recommended combination of Vitamin C and zinc

These benefits are based on the established nutritional roles of Vitamin C and zinc. ImmunPro is intended as a dietary supplement and should not be considered a substitute for vaccination, medical treatment, or a balanced diet [1].

The manufacturer’s recommended dosage is:

• One (1) tablet daily, or as directed by a physician.

ImmunPro is registered with the Philippine Food and Drug Administration (FDA) as an Over-the-Counter (OTC) vitamin and mineral product. Current FDA listings identify Unilab as the manufacturer and classify the product under the Vitamin & Mineral category [3] [5].

ImmunPro is widely available throughout the Philippines through:

• Community pharmacies

• Major drugstore chains

• Supermarkets

• Hospital pharmacies

• Authorized online stores [4]

ImmunPro is marketed primarily toward:

• Adults seeking daily immune support

• Working professionals

• Students

• Individuals looking to supplement Vitamin C and zinc intake

Its advertising commonly emphasizes daily immunity support, especially during periods when colds and flu are more prevalent [1].

• Vitamin C

• Zinc

• Dietary supplements

• Immune system

• Unilab

1. ImmunPro – Vitamins & Supplements

2. INTELLECTUAL PROPERTY

3. FDA Verification Portal

4. ImmunPro – Vitamins & Supplements

5. ImmunPro | Description | MIMS Philippines