Supplements for Colds and Flu: Vitamin C, Zinc and Herbal Support
Colds and flu are viral infections that usually clear on their own with rest and fluids. Vitamin C and zinc each contribute to the normal function of the immune system, and this page also lists a propolis tablet and two traditional herbal products. Supplements do not treat a cold or flu, and antibiotics do not work on viruses. Difficulty breathing, chest pain or a high fever needs a doctor.
Recommended Supplements for Immune Support During Colds and Flu
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Why Are These Products Included?
- Green World Vitamin C Tablet contains 700 mg of vitamin C per tablet (60 tablets). Vitamin C contributes to the normal function of the immune system.
- NeoLife Chelated Zinc supplies 15 mg of zinc per tablet. Zinc contributes to the normal function of the immune system.
- Forever Bee Propolis is a chewable tablet with 500 mg of powdered bee propolis, blended with honey and royal jelly. Avoid it with a bee or pollen allergy.
- GreenLife Anti-Col Tea is a traditional Chinese herbal tea sold as a food supplement; a warm drink can also ease a sore throat.
- Green World Jinpure Capsule is a traditional herbal supplement (500 mg, 50 capsules) positioned for immune support.
How to Choose
Rest, fluids, warm drinks and honey (for adults and children over one year) are the base. Vitamin C and zinc are most useful as everyday nutrition rather than only when ill. Start one of them, or a herbal tea, and follow the label. Wash hands often and stay home when you have a fever.
What Are Colds and Flu?
A cold is a mild viral infection of the nose and throat with sneezing, sore throat and cough, lasting about a week. Influenza comes on suddenly with fever, chills, muscle aches and exhaustion and can be severe in older people, young children, pregnant women and people with chronic illness. Both spread by droplets and contact.
When to See a Doctor
See a doctor for difficulty breathing, chest pain, fever above 39 °C lasting more than three days, confusion, dehydration, or worsening after initial improvement. Seek urgent care sooner for babies, older people, pregnant women, and anyone with asthma, diabetes or heart disease. Annual flu vaccination is advised for high-risk groups.
What Supplements Can and Cannot Do
Vitamin C and zinc contribute to the normal function of the immune system when intake is adequate. Studies on treating colds with them show small effects at best. Herbal teas and propolis are used traditionally. Supplements do not cure colds or flu and cannot replace vaccines or antivirals.
Precautions and Interactions
- Zinc: keep to the label; long-term high intake lowers copper. Zinc lozenges can cause nausea.
- Vitamin C at high doses can cause stomach upset.
- Propolis and royal jelly: avoid with bee, pollen or honey allergy, especially with asthma.
- Herbal teas and capsules: not for pregnancy or breastfeeding without medical advice.
- Do not give aspirin to children with a fever.
Frequently Asked Questions
Does vitamin C prevent colds?
It does not reliably prevent colds in the general population, but it supports normal immune function.
How long does a cold last?
Usually 7 to 10 days.
Should I take antibiotics?
No, unless a doctor finds a bacterial infection.
How fast can I get delivery?
Same-day delivery is available in Lagos and Abuja, with nationwide delivery across Nigeria.
Why Order From Recs-Medix?
- Authorised distributor for more than 60 supplement brands since 2017
- Same-day delivery in Lagos and Abuja, and nationwide delivery across Nigeria
- Payment on Delivery available across Nigeria
- DHL Express international shipping to the USA, UK, Canada, the EU, Australia and the Middle East — see shipping and delivery
- Help choosing products from our team — contact us
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Last reviewed: 29 September 2026