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NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 Tablets

NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 Tablets

Regular price £28.86 GBP
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NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 Tablets

Regular price £28.86
Sale price £28.86 Regular price
Save % Sold out
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Key Benefits of Niacin

Niacin (vitamin B3) contributes to normal energy-yielding metabolism, helps maintain healthy skin and mucous membranes, supports normal psychological function, and reduces tiredness and fatigue. These are established health claims authorised by the European Food Safety Authority. As part of a balanced diet, niacin can support your overall wellbeing. These statements have not been evaluated by the Medicines and Health care products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, , or prevent any disease.

Understanding Niacin (Vitamin B3)

Niacin, also known as vitamin B3, is a water-soluble vitamin essential for numerous bodily functions including energy metabolism, DNA repair, and cell signalling. Your body cannot produce it, so it must be obtained through diet or supplementation. NOW Foods Niacin 500 mg Sustained Release provides a convenient source of this vital nutrient.

Recommended Dosage for Niacin

Adults should take one tablet daily with a meal. The sustained release formulation ensures a gradual release of niacin into the system, which helps minimise the likelihood of flushing. If you are new to niacin, start with a lower dose and increase gradually as tolerated. Always consult a health care professional before taking high-dose supplements.

Niacin vs Niacinamide – Choosing the Right Form

Niacin exists in two common forms: nicotinic acid (niacin) and niacinamide (nicotinamide). Nicotinic acid can cause a temporary flushing sensation, whereas niacinamide does not. NOW Foods Niacin use the nicotinic acid form, but the sustained release design reduces flushing. If you prefer a non-flush option, consider a niacinamide supplement.

Safety and Side Effects

Niacin may cause temporary flushing, itching, or tingling, especially when first starting supplementation. This reaction is harmless and often diminishes with continued use. Taking niacin with food and not skipping doses can help manage these effects. Avoid this product if you have liver disease, an active peptic ulcer, or low blood pressure. Consult your doctor if you are pregnant, nursing, or taking any medications.

How to Choose a High-Quality Niacin Supplement

Select supplements from reputable brands like NOW Foods that undergo third-party testing. Look for certifications such as Non-GMO, vegan, and gluten-free. Sustained release forms provide steady absorption and reduced side effects. NOW Foods has been family-owned since 1968 and packages its products in the USA.

Frequently Asked Questions

What is the difference between immediate release and sustained release niacin?

Immediate release niacin enters the bloodstream quickly, often causing a more intense flushing reaction. Sustained release niacin releases gradually, which can minimise flushing and provide a more consistent level of the vitamin in your system.

Can I take niacin on an empty stomach?

It is best to take niacin with a meal to reduce the risk of stomach upset and minimise flushing. Food can also help slow absorption.

How long does flushing last?

The flushing sensation typically lasts 15 to 30 minutes, whilst it can vary. It usually decreases with consistent use. Avoid taking niacin with hot beverages or alcohol, as these can worsen flushing.

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.

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Supplement guide

NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 Tablets at UK Vitality Vitamins

Key Benefits of NiacinNiacin (vitamin B3) contributes to normal energy-yielding metabolism, helps maintain healthy skin and mucous membranes, supports normal psychological function, and reduces tiredness and fatigue. ...

Category Vitamins & Supplements
Delivery area Worldwide
Checkout Secure checkout
Brand NOW Foods
Price £28.86
Availability In stock
500 mgB vitaminsenergy metabolismgluten-freeniacinnon-GMONOW Foodsnutritional supplementpsychological functionskin health

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.

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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 NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 Tablets

Is NOW Foods Niacin (Vitamin B3) 500 mg, Sustained Release, 250 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.

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