Does orlistat really work for weight loss?

Yes — modestly, and only together with a diet. Orlistat blocks about a third of the fat in your food from being absorbed, and in studies people taking it with a reduced-calorie diet lose a few kilograms more over 6-12 months than with diet alone; many achieve 5-10% of their body weight overall. It is genuinely effective but not dramatic: it will not melt weight off while you eat as before — in fact, eating fatty food on orlistat quickly punishes you with oily stools. The practical test: if you haven't lost about 5% of your weight after 12 weeks on it, it's not the right tool for you and is usually stopped.

What is the difference between orlistat and Ozempic (semaglutide)?

They work completely differently. Orlistat acts only in your gut, blocking fat absorption — it doesn't touch your appetite. Semaglutide (Ozempic) and tirzepatide (Mounjaro) are injectable GLP-1 medicines that act on appetite and fullness signals, and they produce much larger weight loss (often 10-20% of body weight) — but they cost hundreds of thousands of naira monthly in Nigeria, need weekly injections, and genuine supply is scarce. Orlistat is oral, far cheaper, and widely available, with decades of safety history. For many Nigerians it is the realistic starting medicine, with GLP-1s as the powerful (expensive) option for those who need and can sustain them.

What are the side effects of orlistat — and are the 'oily stool' stories true?

True, and worth understanding rather than fearing. Because orlistat stops fat being absorbed, that fat exits with your stool — so fatty meals cause oily, loose stools, urgency, wind with oily spotting, and stained underwear. It is essentially instant feedback on how much fat you just ate: people who stick to a lower-fat diet get few or no problems. The effects fade as you adjust your diet — which is partly how the drug trains eating habits. Separately, take a multivitamin at bedtime, since orlistat reduces absorption of vitamins A, D, E, and K. Serious side effects (liver problems, kidney stones) are rare.

How much does orlistat cost in Nigeria, and how can I avoid fake slimming products?

Generic and Indian/Pakistani brands (Reeshape, Orlifit, and other orlistat generics) typically cost roughly ₦8,000-₦15,000 per pack, while the original Xenical (Roche) is several times more expensive — larger imported packs can run into tens of thousands of naira. Buy only from licensed pharmacies and verify the NAFDAC number (Reeshape is A4-7211). Be very wary of the wider 'slimming' market: teas, coffees, and herbal capsules sold on social media are often unregistered, and some have been caught containing sibutramine — a banned appetite suppressant linked to heart attacks and strokes. A registered medicine with modest, honest effects beats a miracle product with hidden ones.

Orlistat in Nigeria: Uses, Dosage, Price, NAFDAC Status

Key Facts

Drug Class: Gastrointestinal lipase inhibitor (anti-obesity)
Prescription: Required
NAFDAC Status: NAFDAC Registered
Forms: Capsule
Price Range: ₦8,000 - ₦60,000

What is Orlistat?

Orlistat is the most widely available dedicated weight-loss medicine in Nigeria. Best known by the brand Xenical, and locally as Reeshape and Orlifit, it works in a completely different way from every other slimming product: it acts only in the gut, blocking the enzyme (lipase) that digests fat, so roughly a third of the fat you eat passes through undigested instead of being absorbed. Because it barely enters the bloodstream, it does not suppress appetite or 'burn fat' — it simply stops some dietary fat from being taken in.

Used properly — one capsule with each main meal, alongside a reduced-calorie, lower-fat diet — orlistat produces modest but real weight loss: typically a few extra kilograms over six months to a year compared with diet alone, with the best results in people who also change what they eat. It is much less powerful than the newer injectable GLP-1 medicines (semaglutide/Ozempic, tirzepatide/Mounjaro), but it is oral, far cheaper, and has decades of safety history. Its famous drawback is the side effects when you eat fatty food: oily stools, urgency, and wind with oily discharge — which is really the drug 'showing you' the fat you ate.

A hard word of caution about Nigeria's weight-loss market: it is flooded with 'slimming teas', 'flat tummy' coffees, herbal capsules, and social-media products that are unregistered, and some have been found to secretly contain dangerous pharmaceutical ingredients such as sibutramine — a banned appetite suppressant linked to heart attacks and strokes. Orlistat, by contrast, is a real, NAFDAC-registrable medicine with known effects and limits. If you choose medication for weight loss, use a registered product from a licensed pharmacy — and be deeply suspicious of anything sold as a 'natural' rapid-slimming miracle.

What is Orlistat used for?

In Nigeria, Orlistat is commonly used for:

Weight loss in adults with obesity (BMI 30+), together with a reduced-calorie, lower-fat diet
Weight loss in overweight adults (BMI 28+) who have risk factors such as diabetes, hypertension, or high cholesterol
Helping to keep weight off after successful dieting
Modestly improving blood sugar, blood pressure, and cholesterol as weight falls

Dosage

IMPORTANT

Always follow your doctor's or pharmacist's instructions. The information below is for general reference only.

Adults

The standard dose is 120mg (one capsule) three times a day, taken with — or up to one hour after — each main meal that contains fat. If you skip a meal, or the meal has no fat, skip that dose. It only works alongside a reduced-calorie diet with roughly 30% of calories from fat, spread across the day; a very fatty meal will produce unpleasant oily side effects. A lower 60mg strength exists in some markets for over-the-counter use.

Children

Not recommended for children; specialist use only in adolescents in some countries.

Elderly

Can be used; no specific dose change, but overall health and nutrition should be considered.

Give it a fair trial with the diet: if you have not lost about 5% of your body weight after 12 weeks, it is usually stopped, because it is unlikely to work well for you. Take a multivitamin at bedtime (at least 2 hours away from orlistat) — the drug reduces absorption of fat-soluble vitamins A, D, E, and K. Expect results in months, not days: any product promising rapid, effortless weight loss is not being honest with you. Orlistat works best as one part of a plan — food changes, activity, and realistic goals.

Side Effects

Common side effects

•Oily or fatty stools, and oily spotting or discharge (worse after fatty meals)
•Urgency to open the bowels, more frequent stools, and wind
•Stomach pain or discomfort
•Headache
•These gut effects are the fat you ate passing through — they lessen a lot on a lower-fat diet

Serious side effects — seek medical help immediately

Signs of liver problems (rare): yellowing of the eyes or skin, dark urine, severe stomach pain, unusual tiredness
Severe allergic reaction: swelling of the face or throat, difficulty breathing
Kidney stones or, rarely, kidney injury (oxalate-related) in susceptible people
Severe or persistent diarrhoea leading to dehydration

When to see a doctor

See a doctor for yellowing of the eyes or skin, dark urine, or severe abdominal pain (possible liver problems), for severe persistent diarrhoea, or for any allergic reaction. Also seek advice if you take medicines whose absorption could be affected — such as thyroid hormone, epilepsy medicines, warfarin, or HIV treatment — so doses and timing can be managed safely.

Warnings & Precautions

Do not take Orlistat if you have:

Do not use in pregnancy or while breastfeeding
Do not use in chronic malabsorption syndrome (a condition where the gut already absorbs food poorly)
Do not use in cholestasis (blocked bile flow)
Not a treatment for being mildly overweight without risk factors, and not for people with eating disorders
Do not use if you are allergic to orlistat

Drug interactions

•Levothyroxine (thyroid hormone) — absorption is reduced; separate doses by at least 4 hours and monitor
•Warfarin — vitamin K absorption changes can affect INR; extra monitoring is needed
•Ciclosporin — levels can fall dangerously; the combination is generally avoided
•Epilepsy medicines — absorption may fall, risking seizures; monitor closely
•Some HIV antiretrovirals — orlistat may reduce their absorption and effectiveness; discuss with your doctor before combining
•Fat-soluble vitamins (A, D, E, K) and the contraceptive pill during severe diarrhoea — take a bedtime multivitamin, and use extra contraceptive precautions if severe diarrhoea occurs

Pregnancy & Breastfeeding

Do not use orlistat during pregnancy — weight loss is not appropriate in pregnancy, and dieting plus reduced vitamin absorption can harm the baby. It should also be avoided while breastfeeding. If you become pregnant while taking it, stop and speak to a health worker.

Brands of Orlistat in Nigeria

The NAFDAC registry holds 2 Orlistat products from 2 manufacturers, including combination products and older listings whose status you can check in the full list. Below are some of the most common brands — see the full, searchable list for all of them.

Brand Name	Manufacturer	Strength	Form	NAFDAC Reg. No.
Xenical	Roche / CHEPLAPHARM	120mg	Capsule
Reeshape	Adler Products Ltd	120mg	Capsule	A4-7211
Orlifit	Getz Pharma	120mg	Capsule	B4-2354
Orlistat	Various generic manufacturers	120mg, 60mg	Capsule

How to Verify Your Orlistat is Genuine

1Buy orlistat from a licensed pharmacy, ideally after discussing it with a pharmacist or doctor
2Check the NAFDAC registration number on the pack and verify it on the NAFDAC Green Book or app — for example Reeshape (Adler Products) is A4-7211
3Check the expiry date and that the packaging is sealed and untampered
4For Xenical, be especially careful: premium imported weight-loss brands are prime counterfeit targets — check the manufacturer branding, batch number, and buy only from reputable pharmacies
5Avoid 'slimming teas', 'flat tummy' products, and social-media weight-loss capsules entirely — many are unregistered, and some have been found to contain hidden, banned drugs such as sibutramine
6Genuine capsules should be uniform; discard any that look irregular

Use our NAFDAC Checker tool

Orlistat Price in Nigeria

Orlistat prices in Nigeria typically range from ₦8,000 to ₦60,000 per pack, depending on the brand, strength, and where you buy it.

₦8,000 – ₦60,000

per pack

Prices vary by location and vendor. Last updated: 2026-07-22

Where to Buy

Purchase Orlistat only from licensed pharmacies and verified distributors. Avoid buying medicines from unverified sources, roadside vendors, or unregistered market stalls.

Before you buy, verify the product's NAFDAC registration and check the current online prices above so you know a fair price before you pay.

Buying Orlistat in bulk or for resale? Our guide on how to buy medicines in bulk in Nigeria safely covers verifying a supplier and spotting fakes before a large order.

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Related Resources for Orlistat

Guides, articles, and tools related to Orlistat and other weight management medicines in Nigeria.

Frequently Asked Questions

Sources

•NAFDAC Greenbook — the official database of all products registered with Nigeria's National Agency for Food and Drug Administration and Control. Brand-level NAFDAC numbers for Orlistat on this page were cross-referenced against the Greenbook.
•British National Formulary (BNF) dosing and interaction guidance for Orlistat.
•Nigerian Standard Treatment Guidelines (Federal Ministry of Health).

Last updated: 22 July 2026

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