Nutricost Niacin (Vitamin B3) 500mg, 240 Capsules - With Flush, Non-GMO, Gluten Free

What is Niacin (Vitamin B3)?

Niacin, also known as vitamin B3 or nicotinic acid, is a water-soluble vitamin essential for the proper functioning of the body. It is part of the B complex and plays a key role in converting food into energy. This Nutricost supplement provides 500 mg of niacin per capsule, in its quick-release form, which produces the characteristic "flush" or skin reddening, a harmless but noticeable reaction.

Niacin is a precursor to the coenzymes NAD and NADP, which are fundamental in over 400 enzymatic reactions related to cellular metabolism. Therefore, an adequate intake of this vitamin contributes to normal energy metabolism, the functioning of the nervous system, and the reduction of tiredness and fatigue, according to EFSA-approved claims.

EFSA-backed benefits

The European Food Safety Authority (EFSA) has evaluated and authorized several health claims for niacin. These include:

• Energy metabolism: Niacin contributes to normal energy-yielding metabolism.
• Nervous system: It contributes to the normal functioning of the nervous system.
• Psychological function: It contributes to normal psychological function.
• Skin and mucous membranes: It contributes to the maintenance of normal skin and mucous membranes.
• Tiredness and fatigue: It contributes to the reduction of tiredness and fatigue.

These claims are based on solid scientific evidence and are applicable to healthy populations. However, this product should not be used as a substitute for a balanced diet, and it is important to consult a healthcare professional before starting any supplementation, especially at high doses.

Forms of Niacin: Flush Niacin vs. Niacinamide

There are two main forms of vitamin B3 in supplements: nicotinic acid (niacin) and nicotinamide (niacinamide). The key difference is the "flush" or reddening caused by niacin. This effect is due to the release of prostaglandins and usually lasts between 15 and 30 minutes. Although it can be uncomfortable, it is harmless and tends to decrease with continued use.

Niacinamide, on the other hand, does not cause flushing and is often used in skin health formulations and flush-free supplements. Some products combine both forms or use inositol hexanicotinate, a sustained-release form that minimizes the flush.

In this case, Nutricost offers pure niacin in its nicotinic acid form, ideal for those seeking the complete metabolic effects of vitamin B3. If you prefer to avoid the flush, you can opt for niacinamide, but keep in mind that the effects on lipid metabolism may differ.

Recommended dosage and use

Each capsule contains 500 mg of niacin. The recommended daily dose for adults varies according to individual needs, but generally ranges from 15 to 20 mg per day to maintain adequate levels. However, in therapeutic contexts or under medical supervision, much higher doses, such as those offered by this product, are used.

Important: Do not exceed the recommended dose without consulting a healthcare professional. High doses of niacin (above 500 mg/day) can cause side effects such as flushing, itching, gastrointestinal discomfort, or, in rare cases, liver toxicity. It is recommended to start with a lower dose (e.g., 100 mg) and gradually increase to assess tolerance. Taking the supplement with food may reduce the intensity of the flush.

Possible side effects and warnings

The most common effect of niacin is the flush or skin reddening, accompanied by a sensation of warmth and itching. This effect is transient and disappears on its own. To minimize it, the supplement can be taken after meals or with aspirin (under medical advice).

Other possible side effects include: stomach upset, nausea, headache, and dizziness. At very high doses (> 2 g/day) and for prolonged periods, it has been associated with elevated liver enzymes and liver toxicity. Therefore, its use is not recommended in people with liver disease, peptic ulcer, or arterial hypotension without medical supervision.

Warning: This product contains high doses of niacin and may cause intense flushing. It is not recommended for pregnant or breastfeeding women without prior consultation. Keep out of reach of children. Store in a cool, dry place.

Frequently asked questions about niacin

What is niacin "flush"?

The flush is a skin reaction characterized by redness, warmth, and itching on the face, neck, and torso. It occurs 15 to 30 minutes after taking niacin and disappears in approximately one hour. It is caused by the release of prostaglandins and is harmless, though it can be uncomfortable.

How much niacin should I take daily?

The recommended daily allowance (RDA) for adults is 15-20 mg. However, in clinical settings, doses of 500 mg or more are used to address metabolic imbalances. Always consult a professional before taking high doses.

What is the difference between niacin and niacinamide?

Niacin (nicotinic acid) causes flushing, while niacinamide (nicotinamide) does not. Both are forms of vitamin B3, but niacinamide is more commonly used in skin products and flush-free supplements.

Can I take niacin with other medications?

Niacin can interact with anticoagulants, blood pressure medications, and statins. Consult your doctor before combining it with other treatments.

Product Specifications

• Form: Niacin (nicotinic acid) quick-release
• Dose: 500 mg per capsule
• Contents: 240 capsules per bottle
• Certifications: Non-GMO, gluten-free, third-party tested
• Manufacturing: NSF certified facility, GMP compliant and FDA registered
• Warning: Causes flush. Take with food to reduce intensity.

This supplement is a powerful and high-quality option for those looking to increase their vitamin B3 intake. With 240 capsules per container, it offers a prolonged duration. Always remember to follow the advice of a healthcare professional.