Skip to product information
1 of 3

Special Pack of 5 – Niacin 100mg Tablets (500 Tablets)

Special Pack of 5 – Niacin 100mg Tablets (500 Tablets)

Regular price £28.04 GBP
Sale price £28.04 GBP Regular price
Save % Sold out

HOT PRODUCT | LOW STOCK

Carefully selected from trusted wellness brands

Free worldwide delivery

Secure checkout

Buy More Save More!

Special Pack of 5 – Niacin 100mg Tablets (500 Tablets)

Regular price £28.04
Sale price £28.04 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Tracked worldwide delivery. Estimated arrival between - and -.

Why Take Niacin Supplements?

Niacin (vitamin B3) plays a key role in turning food into energy and keeping your nervous system working properly. As a water-soluble vitamin, it needs to be consumed regularly, and supplementation can help if your diet falls short. This pack of 500 tablets provides a convenient long-term supply.

What Is Vitamin B3 (Niacin)?

Vitamin B3, also called niacin, is essential for cellular metabolism, DNA repair, and the production of NAD – a coenzyme involved in hundreds of reactions. Natural sources include poultry, fish, nuts, and fortified cereals, but a supplement ensures you get enough to support normal body functions.

Niacin vs Niacinamide – Which Form Is Best?

This product contains nicotinic acid, the classic form of niacin known to cause a temporary, harmless flush (warmth, redness, tingling). This effect is due to vasodilation and usually fades within an hour. Niacinamide is another form that doesn’t cause flushing but differs in how it affects cholesterol. If you’re using niacin specifically to manage cholesterol levels, nicotinic acid is the form supported by research. If you’d rather avoid the flush, look for niacinamide or inositol hexanicotinate.

How to Take Niacin Tablets

A typical starting dose is 50–100 mg per day, taken with food to reduce stomach upset. Many people increase the dose gradually to get used to the flush. Do not exceed the recommended serving without medical advice. High doses (500 mg or more) should only be used under a doctor’s supervision due to possible liver effects.

Each tablet provides 100 mg of immediate-release nicotinic acid. The pack includes five bottles of 100 tablets – 500 tablets in total for long-term use. Swallow tablets whole with water, and do not crush or chew them.

Possible Side Effects and Precautions

The most common side effect is flushing – a warm, red, itchy feeling on the face and upper body. This is harmless and often reduces with continued use. Taking niacin with food or an aspirin 30 minutes beforehand can help. Occasional mild stomach upset, dizziness, or headache may occur. Stop and speak to a doctor if symptoms persist.

Niacin can interact with blood pressure medicines, diabetes drugs, and statins. If you are pregnant, breastfeeding, or have liver, kidney, or ulcer problems, consult a health care professional before use.

Choosing a Quality Niacin Supplement

Look for products made by reputable manufacturers following Good Manufacturing Practises (GMP). Third-party testing (such as USP or NSF) ensures purity and potency. These MEDIX tablets are a trusted formulation of USP-grade niacin. Always check the expiry date and store in a cool, dry place away from light.

Frequently Asked Questions

What does niacin flush feel like? It’s a warm, tingling sensation across the face, chest, and arms. It usually goes away within an hour and is not harmful.

Can I take niacin on an empty stomach? It’s best to take it with food to minimise stomach upset and reduce the flush.

How long before I notice benefits? Improvements in energy or cholesterol markers may take several weeks to months of consistent use.

Is 100 mg of niacin daily safe? Yes, 100 mg is a common maintenance dose and is generally safe for healthy adults. However, ask your doctor for personalised advice.

Are these tablets gluten-free and non-GMO? Check the label for specific certifications – many niacin supplements are gluten-free, but verify with the manufacturer.

Food supplements should not be used as a substitute for a varied, balanced diet. Always read the label. This product is not intended to diagnose, treat, , or prevent any disease.

Worldwide Delivery

Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Tracked worldwide delivery

    Clear delivery messaging for shoppers worldwide.

  • Secure checkout

    Secure checkout.

  • Clear returns

    Returns information is written plainly before purchase.

  • Trusted brands

    Carefully selected supplements from established wellness brands.

Supplement guide

Special Pack of 5 – Niacin 100mg Tablets (500 Tablets) at UK Vitality Vitamins

Why Take Niacin Supplements?Niacin (vitamin B3) plays a key role in turning food into energy and keeping your nervous system working properly. As a water-soluble vitamin, it needs to be consumed regularly, and supplem...

Category B3 (Niacin)
Delivery area Worldwide
Checkout Secure checkout
Brand MEDIX
Price £28.04
Availability In stock
100mg5-packB vitaminsenergy metabolismflushimmediate releaseMEDIXnervous systemniacinnicotinic acid

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about Special Pack of 5 – Niacin 100mg Tablets (500 Tablets)

Is Special Pack of 5 – Niacin 100mg Tablets (500 Tablets) available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.