Key Facts
- Drug Class
- Water-soluble B-group vitamin combination
- Prescription
- Over the counter
- NAFDAC Status
- Check Registration
- Forms
- Tablet, Capsule, Syrup, Injection
- Price Range
- ₦300 - ₦8,000
What is Vitamin B Complex?
Vitamin B Complex is a group of eight essential B vitamins that play vital roles in energy production, nerve function, and overall body metabolism. In Nigeria, Vitamin B Complex is one of the most frequently purchased supplements, with millions of Nigerians taking it daily to combat fatigue, boost energy, and maintain good health. The complex typically includes thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folate (B9), and cobalamin (B12), though the exact composition varies between brands. Nigerian pharmacies in cities like Lagos, Abuja, Ibadan, and Enugu stock multiple brands, with Neurobion being arguably the most recognised Vitamin B brand in the country.
The popularity of Vitamin B Complex in Nigeria is closely linked to the demanding lifestyles of many Nigerians. Students preparing for examinations, market traders who work long hours in places like Balogun Market, Onitsha Main Market, and Ariaria Market, professionals facing workplace stress, and people recovering from illness all turn to Vitamin B Complex for an energy boost. The B vitamins work together to help the body convert food into energy, support the nervous system, and maintain healthy skin, eyes, and liver function. Neurobion injection, in particular, has gained enormous popularity in Nigeria, with many people requesting it from pharmacies and clinics for body weakness and general tiredness, a practice that has become part of Nigerian healthcare culture.
Vitamin B Complex is available in Nigeria in tablet, capsule, syrup, and injection forms. Popular brands include Neurobion (both tablets and injections from Merck), Beplex Forte (widely available in Nigerian pharmacies), Becosules, and the locally manufactured Emzor Vitamin B Complex. While it is not on the WHO Essential Medicines List, the B vitamins it contains are individually recognised as essential nutrients. The supplement can be purchased without a prescription from licensed pharmacies and patent medicine stores across Nigeria. However, it is important to note that the injection form, while popular, should ideally be administered by a qualified healthcare professional and is not necessarily superior to oral tablets for most people.
What is Vitamin B Complex used for?
In Nigeria, Vitamin B Complex is commonly used for:
- Boosting energy levels and reducing fatigue — the most common reason Nigerians take Vitamin B Complex, particularly workers, students, and people who feel generally weak or tired
- Supporting nerve health and relieving symptoms of peripheral neuropathy such as tingling, numbness, and burning sensations in the hands and feet
- Stimulating appetite, especially in children, elderly individuals, and people recovering from illness or surgery
- Supporting metabolism and helping the body efficiently convert carbohydrates, proteins, and fats from food into usable energy
- Maintaining healthy skin, hair, and eyes — B2 (riboflavin) and B7 (biotin) are particularly important for skin and hair health
- Supporting the formation of red blood cells and preventing certain types of anaemia, particularly megaloblastic anaemia caused by B12 or folate deficiency
Dosage
IMPORTANT
Always follow your doctor's or pharmacist's instructions. The information below is for general reference only.
Adults
One tablet or capsule daily with or after food is the standard dose for most brands. For Neurobion tablets, the typical dose is one tablet one to three times daily. For Neurobion injection, one ampoule given intramuscularly two to three times per week is the common regimen in Nigeria, though this should be determined by a healthcare professional.
Children
Children over 12 years may take one tablet daily or as directed by a pharmacist. For younger children, Vitamin B Complex syrup is available and should be dosed according to the product label or a paediatrician's guidance. Typical syrup doses are 2.5ml to 5ml daily depending on the child's age.
Elderly
Standard adult doses are generally appropriate for elderly individuals. Elderly people are more prone to Vitamin B12 deficiency due to reduced absorption, so supplementation is particularly beneficial in this age group. Consult a healthcare provider for personalised dosing.
Vitamin B Complex is best taken with food to improve absorption and reduce the likelihood of stomach upset. Do not be alarmed if your urine turns bright yellow after taking Vitamin B Complex — this is caused by riboflavin (B2) and is completely harmless. The injection form should only be administered by a qualified healthcare professional in a clinic or hospital setting.
Side Effects
Common side effects
- •Bright yellow discolouration of urine (harmless, caused by riboflavin/B2)
- •Mild nausea or stomach upset, especially when taken on an empty stomach
- •Occasional mild headache when starting supplementation
Serious side effects — seek medical help immediately
- Allergic reactions including skin rash, itching, or swelling — more common with the injection form
- Nerve damage from excessive long-term intake of Vitamin B6 (pyridoxine) at doses above 200mg daily, causing numbness and tingling in the extremities
- Anaphylactic reaction to Vitamin B injection (rare but potentially life-threatening) — this is why injections should be given in a clinical setting
When to see a doctor
Seek medical attention if you experience any allergic reaction such as rash, itching, swelling of the face or throat, or difficulty breathing, particularly after receiving a Vitamin B injection. Also consult a doctor if you develop persistent numbness or tingling in your hands or feet, as this could indicate B6 toxicity from excessive supplementation.
Warnings & Precautions
Do not take Vitamin B Complex if you have:
- Do not take if you have a known allergy to any of the B vitamins or other ingredients in the formulation
- The injection form should not be administered to individuals with a history of allergic reactions to Vitamin B injections
- People with Leber's hereditary optic neuropathy should not take Vitamin B12 supplements without medical supervision
Drug interactions
- •Levodopa (used for Parkinson's disease) — Vitamin B6 can reduce the effectiveness of levodopa when used without carbidopa
- •Phenytoin (anti-epileptic) — high doses of folic acid (B9) can reduce phenytoin levels and potentially trigger seizures
- •Certain antibiotics including chloramphenicol can reduce the effectiveness of Vitamin B12 supplementation
- •Metformin (commonly used for diabetes in Nigeria) — long-term metformin use can deplete Vitamin B12 levels, making supplementation particularly important for diabetic patients
- •Alcohol — chronic alcohol consumption depletes B vitamins and increases the need for supplementation
Pregnancy & Breastfeeding
Vitamin B Complex is generally safe during pregnancy and breastfeeding at recommended doses. In fact, the B vitamins — particularly folic acid (B9) and B12 — are essential during pregnancy for the baby's brain and nervous system development. Many Nigerian antenatal care protocols include B vitamin supplementation. However, very high doses of individual B vitamins should be avoided during pregnancy unless prescribed by a doctor. Consult your antenatal healthcare provider for appropriate supplementation during pregnancy.
Brands of Vitamin B Complex in Nigeria
5 brands available in Nigeria.
| Brand Name | Manufacturer | Strength | Form |
|---|---|---|---|
| Neurobion | Merck (P&G Health) | B1 100mg, B6 200mg, B12 200mcg | Tablet |
| Neurobion Injection | Merck (P&G Health) | B1 100mg, B6 100mg, B12 1000mcg per ampoule | Injection |
| Beplex Forte | Anglo-French Drugs & Industries | B1 5mg, B2 5mg, B3 25mg, B5 12.5mg, B6 2mg, B12 7.5mcg | Tablet |
| Becosules | Pfizer | B1 10mg, B2 10mg, B3 100mg, B5 50mg, B6 3mg, B12 15mcg | Capsule |
| Emzor Vitamin B Complex | Emzor Pharmaceutical Industries | B1 5mg, B2 2mg, B3 20mg, B6 2mg, B12 1mcg | Tablet |
How to Verify Your Vitamin B Complex is Genuine
- 1Confirm that the product bears a valid NAFDAC registration number on the packaging — all legitimate supplements in Nigeria must be NAFDAC-registered
- 2Verify the NAFDAC number through the official NAFDAC website (www.nafdac.gov.ng) or the NAFDAC mobile verification app
- 3Purchase from licensed pharmacies or reputable patent medicine stores — avoid buying from unlicensed vendors, open markets, or unverified online sellers
- 4For Neurobion specifically, check for the official Merck/P&G Health branding and batch number, as counterfeit versions of this popular brand are known to circulate
- 5Inspect the packaging for proper sealing, clear printing, correct spelling, and intact holographic security features where applicable
- 6Check the expiry date and ensure the tablets or capsules appear normal in colour, size, and consistency — discard any that appear discoloured, crumbly, or damaged
Vitamin B Complex Price in Nigeria
Vitamin B Complex prices in Nigeria typically range from ₦300 to ₦8,000 per pack, depending on the brand, strength, and where you buy it.
₦300 – ₦8,000
per pack
Prices vary by location and vendor. Last updated: 2026-02-01
Where to Buy
Purchase Vitamin B Complex only from licensed pharmacies and verified distributors. Avoid buying medicines from unverified sources, roadside vendors, or unregistered market stalls.
Frequently Asked Questions
Sources
- •NAFDAC Greenbook — National Agency for Food and Drug Administration and Control registered products database
- •WHO Model List of Essential Medicines (23rd List, 2023)
- •British National Formulary (BNF)
- •Nigerian Standard Treatment Guidelines