Vitamin B3 (niacin): role and supplements

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Vitamin B3, formerly called vitamin PP, covers niacin (nicotinic acid) and nicotinamide, also known as niacinamide. This water-soluble B vitamin is supplied by the diet and can also be made by the body from tryptophan.

Discover its recognised benefits, its food sources, its different forms and our selection of food supplements.

Vitamin B3 (niacin): role and supplements | NATURAMedicatrix

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Active ingredients guide

Vitamin B3 (vitamin PP): benefits, sources and supplements

Vitamin B3 is a water-soluble B vitamin. Its former name, still widely used, is vitamin PP. It refers to two closely related compounds: nicotinic acid, also called niacin, and nicotinamide, or niacinamide.

The body only stores it in small amounts, so it must be supplied regularly by the diet. A special feature of this vitamin is that the body can also make some of it from tryptophan, an amino acid found in proteins.

16 mg per day

The adult reference intake used on European labelling.

Two forms

Nicotinic acid and nicotinamide, both called vitamin B3.

Water-soluble

Soluble in water, it is stored only to a limited extent by the body.

Recognised benefits

The recognised benefits of vitamin B3

What is vitamin PP used for? The European Union authorises six health claims for niacin:

Energy

Niacin contributes to normal energy-yielding metabolism.

Fatigue

Niacin contributes to the reduction of tiredness and fatigue.

Nervous system

Niacin contributes to normal functioning of the nervous system.

Psychological function

Niacin contributes to normal psychological function.

Skin

Niacin contributes to the maintenance of normal skin.

Mucous membranes

Niacin contributes to the maintenance of normal mucous membranes.

Food sources

Which foods are rich in vitamin B3?

The best sources are of animal origin: poultry, meat, offal (particularly liver) and fish such as tuna or salmon. Among plant foods, it is found in peanuts, mushrooms, pulses and wholegrain cereals.

Protein-rich foods also supply tryptophan, which the body partly converts into niacin. This is why requirements are expressed in “niacin equivalents” (NE).

Forms and intake

Nicotinamide or nicotinic acid: what is the difference?

Both forms have the same vitamin activity. Nicotinamide is the form most used in food supplements, as it is well tolerated. At high doses, nicotinic acid can cause temporary redness and a feeling of warmth in the skin, known as “flushing”. In cosmetics, nicotinamide is found under the name niacinamide.

The reference intake (RI) for an adult is 16 mg of niacin equivalents per day. A varied diet is generally enough to cover it. When taking a supplement, do not exceed the daily dose stated on the label.

Buying guide

How to choose a vitamin B3 supplement?

The form

Nicotinamide is the most common and best-tolerated form.

The dosage

Compare the amount per dose with the percentage of the reference intake.

Combinations

Vitamin B3 is often combined with the other B vitamins.

Combined intake

If you take several supplements, add up their vitamin B3 content.

Our selection

Our supplements containing vitamin B3

Here are three formulas that provide a significant amount of it. Find all our products containing vitamin B3 in the list above.

Multivitamines B-Methyl-Homocysteine — 60 capsules

A vitamin B complex with 16 mg of vitamin B3 per capsule (100% of the RI), combined with betaine, choline and zinc.

Discover Multivitamines B-Methyl →

B-Kudzu — 200 vegetable capsules

27 mg of nicotinamide per capsule, with the other B vitamins and a kudzu extract.

Discover B-Kudzu →

Lactacholine — 100 ml

A liquid formula of choline and B vitamins, including 8 mg of niacin equivalents per daily dose.

Discover Lactacholine →

Frequently asked questions

Vitamin B3 FAQ

What is the other name for vitamin PP?

Vitamin PP is the former name of vitamin B3. It is also referred to as niacin, nicotinic acid, nicotinamide or niacinamide.

Is vitamin B3 good for hair?

No health claim relates to hair. The claims authorised for niacin concern the skin and mucous membranes: it contributes to the maintenance of normal skin and normal mucous membranes.

Are niacin and niacinamide the same thing?

They are two forms of vitamin B3. Niacin refers to nicotinic acid; niacinamide, or nicotinamide, is the most common form in supplements and skincare products.

Where can you buy vitamin B3?

In pharmacies, organic shops or online. At NATURAMedicatrix, vitamin B3 is available in vitamin B complexes and combined formulas.

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Vitamin B3 (vitamin PP): benefits, sources and supplements

The recognised benefits of vitamin B3

Energy

Fatigue

Nervous system

Psychological function

Skin

Mucous membranes

Which foods are rich in vitamin B3?

Nicotinamide or nicotinic acid: what is the difference?

How to choose a vitamin B3 supplement?

The form

The dosage

Combinations

Combined intake

Our supplements containing vitamin B3

Multivitamines B-Methyl-Homocysteine — 60 capsules

B-Kudzu — 200 vegetable capsules

Lactacholine — 100 ml

Vitamin B3 FAQ

What is the other name for vitamin PP?

Is vitamin B3 good for hair?

Are niacin and niacinamide the same thing?

Where can you buy vitamin B3?

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