# Vitamin B Complex in Nigeria

Vitamin B Complex has 17 active NAFDAC registrations in our October 2026 copy of the register, from 15 registration holders; 7 further listings have lapsed.

- Source: https://ogbogwu.com/drugs/vitamin-b-complex/
- Drug class: Water-soluble B-group vitamin combination (Vitamins & Supplements)
- Also known as: B-Complex, Vitamin B
- Prescription required: no
- Last updated: October 2026

## Price in Nigeria

As of October 2026, Vitamin B Complex syrup sells for about ₦15 per ml online in Nigeria (packs ₦1,250–₦4,500) at three online pharmacies; tablets ₦1,250–₦2,300. The online price is roughly unchanged since July 2026. Open-market prices (e.g. Idumota, Ogbogwu) are often lower.

## 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?

- 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

Always follow a doctor's or pharmacist's instructions; this is general reference information.

- 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: 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 (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

Do not take if: 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.

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 in Nigeria

Well-known NAFDAC-registered brands: Neurobion (Merck (P&G Health), made in Germany); Neurobion Injection (Merck (P&G Health), made in Germany); Beplex Forte (Anglo-French Drugs & Industries, made in India); Becosules (Pfizer, made in India); Em-B-Plex (Emzor Pharmaceutical Industries, made in Nigeria); Dizpharm B Complex (Dizpharm Nigeria Limited, made in Nigeria).
Full searchable brand list: https://ogbogwu.com/drugs/vitamin-b-complex/brands/

## How to verify it is genuine

1. Confirm that the product bears a valid NAFDAC registration number on the packaging — all legitimate supplements in Nigeria must be NAFDAC-registered
2. Verify the NAFDAC number through the official NAFDAC website (www.nafdac.gov.ng) or the NAFDAC mobile verification app
3. Purchase from licensed pharmacies or reputable patent medicine stores — avoid buying from unlicensed vendors, open markets, or unverified online sellers
4. For 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
5. Inspect the packaging for proper sealing, clear printing, correct spelling, and intact holographic security features where applicable
6. Check the expiry date and ensure the tablets or capsules appear normal in colour, size, and consistency — discard any that appear discoloured, crumbly, or damaged

Verify any NAFDAC number free (no login): https://ogbogwu.com/nafdac-checker/

## FAQs

### Is Neurobion injection better than Vitamin B Complex tablets?

Not necessarily. The belief that injections are superior to tablets is very widespread in Nigeria, but for most people with normal digestive function, oral tablets are just as effective as injections. The injection form may be more appropriate for individuals with severe deficiency, those who have conditions that impair absorption from the gut (such as chronic diarrhoea or certain stomach surgeries), or people who cannot take oral medication. The injection form also carries a small risk of allergic reaction at the injection site. If you can take tablets and have no absorption problems, oral Vitamin B Complex is perfectly adequate. Consult your pharmacist or doctor to determine which form is best for you.

### Can Vitamin B Complex give me more energy?

Vitamin B Complex helps your body convert the food you eat into energy more efficiently, so it can help reduce fatigue and improve energy levels, particularly if you are deficient in one or more B vitamins. However, it is not a stimulant like caffeine and will not give you an instant energy boost. The benefits are most noticeable in people who are deficient in B vitamins — for instance, those with poor dietary intake, heavy alcohol consumers, people on long-term metformin, or those recovering from illness. If you eat a balanced diet and are not deficient, you may not notice a dramatic difference. For persistent fatigue, it is important to see a doctor to rule out underlying causes such as anaemia, thyroid problems, or diabetes rather than relying solely on supplements.

### Can I take Vitamin B Complex together with other supplements?

Yes, Vitamin B Complex can generally be taken alongside other common supplements such as Vitamin C, iron (ferrous sulfate), folic acid, and zinc. In fact, taking Vitamin B Complex with iron supplements can be beneficial, as some B vitamins support red blood cell formation. Many Nigerian pharmacists recommend combining Vitamin B Complex with Vitamin C and iron for people who are anaemic or recovering from illness. However, avoid taking multiple supplements that contain the same B vitamins, as this could lead to excessive intake. Always inform your pharmacist about all the supplements and medications you are taking to avoid unnecessary duplication or interactions.

## Sources

- NAFDAC Greenbook (official register of approved products in Nigeria)
- British National Formulary (BNF)
- Nigerian Standard Treatment Guidelines (Federal Ministry of Health)