Pack size: 100 capsules

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B3 Niacin

Nicotinamide 250 mg / Nicotinic acid 16 mg

61,99 zł

Supports normal energy metabolism
Helps reduce tiredness and fatigue
Supports the nervous system and normal psychological function

Overview

Two forms of vitamin B3 in one capsule. Made for adults, B3 Niacin combines nicotinamide with nicotinic acid for a comprehensive approach to daily energy, nervous system function, and psychological function.

At the heart of the formula / B3 Niacin

Thoughtful support. Clear purpose.

01Supports normal energy metabolism
02Helps reduce tiredness and fatigue
03Supports the nervous system and normal psychological function
04Helps maintain healthy skin
05Helps maintain normal mucous membranes

Doctor Life / 01

B3 Niacin

Made for your daily routine.

Niacin supports normal nervous system and psychological function, energy metabolism, and the maintenance of normal skin and mucous membranes. It also helps reduce tiredness and fatigue, making it a nutrient relevant to everyday energy and well-being.

One capsule daily with a meal provides a simple routine, with 100 servings per bottle. The formula contains mainly nicotinamide, which does not cause the characteristic niacin flush, plus a smaller amount of nicotinic acid. The potential flushing response is clearly described so you know what to expect.

Doctor Life / 02

B3 Niacin

Why does niacin matter?

Niacin helps the body use energy from food and supports normal nervous system and psychological function. It also contributes to normal skin and mucous membranes and helps reduce tiredness and fatigue. The formula combines nicotinamide and nicotinic acid, two forms of vitamin B3, in one daily capsule.

Doctor Life / 03

B3 Niacin

What research informs B3 Niacin?

Niacin's established nutritional roles include normal energy metabolism, nervous system and psychological function, and the maintenance of normal skin and mucous membranes. It also helps reduce tiredness and fatigue. Research explains the temporary flushing response associated with nicotinic acid. The formula combines a larger amount of nicotinamide with a smaller amount of nicotinic acid, providing both forms in one capsule.

Ingredients / Doctor Life

Every ingredient. Clearly explained.

Each ingredient, its form and quantity — in one place.

Ingredient amounts for the servings shown in the table.
Ingredient	1 capsule
Nicotinic acid	16 mg (1656%*)
Nicotinamide	250 mg

*NRV: Nutrient Reference Value

Full ingredient list

Niacin (nicotinamide, nicotinic acid); capsule shell: hydroxypropyl methylcellulose.

How to use

Part of your daily rhythm.

How to use

Adults: Take 1 capsule daily with a meal.

Important information

Do not exceed the recommended daily serving. Food supplements should not replace a varied diet. A balanced diet and a healthy lifestyle are recommended. Store at room temperature, away from sunlight and out of reach of young children.

Science & sources

Understand the formula.

Niacin is a well-studied vitamin involved in energy metabolism and normal nervous system function. Research also supports its roles in psychological function, reducing tiredness and fatigue, and maintaining normal skin and mucous membranes. Separate research explains the temporary flushing associated with nicotinic acid.

These publications concern the studied ingredients or formulas. They do not all evaluate the finished Doctor Life product, and research results do not guarantee individual outcomes.

01Scientific Opinion on the substantiation of health claims related to niacin and energy-yielding metabolism, function of the nervous system, maintenance of the skin and mucous membranes

EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA)

EFSA Journal (2009), 7(9), 1224. DOI: 10.2903/j.efsa.2009.1224.

This EFSA opinion recognizes niacin's contribution to normal energy metabolism, nervous system function, and the maintenance of normal skin and mucous membranes. These complementary roles explain vitamin B3's place in daily nutritional support. The publication concerns niacin as an ingredient.

Read publication ↗

02Scientific Opinion on the substantiation of health claims related to niacin and reduction of tiredness and fatigue, contribution to normal energy-yielding metabolism and normal psychological functions

EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA)

EFSA Journal (2010), 8(10), 1757. DOI: 10.2903/j.efsa.2010.1757.

EFSA evaluated niacin's role in reducing tiredness and fatigue, supporting energy metabolism, and maintaining normal psychological function. The assessment explains its relevance to daily energy and mental function. The publication concerns niacin as an ingredient.

Read publication ↗

03The mechanism and mitigation of niacin-induced flushing

V. S. Kamanna, S. H. Ganji, M. L. Kashyap

International Journal of Clinical Practice (2009), 63(9), 1369-1377. DOI: 10.1111/j.1742-1241.2009.02099.x; PMID: 19691622.

This review explains flushing caused by nicotinic acid: temporary dilation of small blood vessels in the skin, which may cause redness, warmth, or tingling. It describes how this typical response differs from an allergic reaction. The publication concerns nicotinic acid as an ingredient.

Read publication ↗

FAQ / B3 Niacin

Good questions. Clear answers.

Talk to us ↗

Why combine nicotinamide and nicotinic acid?

Both are forms of vitamin B3, but they differ in their effects. Nicotinamide does not cause the characteristic niacin flush, while nicotinic acid can cause temporary flushing. The formula contains 250 mg of nicotinamide and 16 mg of nicotinic acid.

What is a niacin flush?

A niacin flush is a temporary widening of small blood vessels near the skin's surface. It can cause redness, warmth, tingling, or burning on the face, ears, limbs, abdomen, or other areas, sometimes lasting more than an hour. It is a known response to nicotinic acid, rather than nicotinamide, and is usually temporary. Do not assume severe or unusual symptoms are simply a flush; seek medical advice.

Does every form of vitamin B3 cause flushing?

No. Nicotinamide, the main form in this formula, does not cause the characteristic niacin flush. Flushing is associated with nicotinic acid, which is also present. This distinction helps explain possible warmth or redness after taking the product.

When should I take the capsule?

Take one capsule daily with a meal. Choose a regular meal to make the routine easy to follow. Do not increase the daily serving to make up for a missed capsule.

How long does one bottle last?

Each bottle contains 100 capsules. At one capsule daily, it provides a 100-day supply—more than three months of use.

Who is B3 Niacin for?

The formula is intended for adult women and men seeking vitamin B3 to support normal energy metabolism, nervous system and psychological function, and the reduction of tiredness and fatigue. It combines two forms of niacin in one capsule.

Can I take B3 Niacin with medication or other supplements?

If you take medication or other products containing niacin, consult your doctor or pharmacist before combining them. They can assess your total vitamin B3 intake and circumstances. Do not change prescribed medication or increase the supplement serving on your own.

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