Updated:21 October 2026
Rank 1-17 of the best Vitamin B3
Our recommendation Price Customer rating
1. Comparison winner
Best Naturals Niacinamide 500mg 240 Tablets
Best Naturals Niacinamide 500mg 240 Tablets
Available immediately
free shipping
  • take 1 tablet with meals or as advised by a doctor
  • tablet
  • contains niacin (as niacinamide), dicalcium phosphate, vegetable cellulose
Our rating
9,8
very good
2. Best value
Health4All Vitamin B3 Niacinamide 500mg Capsules
Health4All Vitamin B3 Niacinamide 500mg Capsules
Available immediately
free shipping
  • 500mg dose per capsule
  • capsule form
  • contains nicotinamide, a version of vitamin B3
Our rating
9,8
very good
Vitamin B3 Nicotinamide 500mg Capsules
Vitamin B3 Nicotinamide 500mg Capsules
Available immediately
free shipping
  • 500mg dosage in capsule form
  • Nicotinamide, a form of Vitamin B3, helps support energy metabolism, nervous system, psychological function, mucous membranes and skin
  • suitable for vegans
Our rating
9,6
very good
4. Bestseller
Vegavero Vitamin B3 Nicotinamide 500 mg Capsules
Vegavero Vitamin B3 Nicotinamide 500 mg Capsules
Available immediately
free shipping
  • 500 mg nicotinamide per capsule, recommended dosage: 1 capsule per day with a meal
  • capsule form
  • contains nicotinamide for energy support and reduction of tiredness
Our rating
9,6
very good
MOBU Niacin 50mg 120 Tablets
MOBU Niacin 50mg 120 Tablets
Available immediately
free shipping
  • tablet form
  • contains nicotinic acid
  • vegan-friendly
Our rating
9,6
very good
Vitamin B3 Nicotinamide Supplement with TMG & Trans-Resveratrol
Vitamin B3 Nicotinamide Supplement with TMG & Trans-Resveratrol
Available immediately
free shipping
  • vitamin b3 (250mg) provided in capsule form
  • includes 500mg tri-methyl glycine and 100mg trans-resveratrol
  • suitable for vegans
Our rating
9,6
very good
50+ purchases last month
Viridian Vitamin B3 Capsules 30
Viridian Vitamin B3 Capsules 30
Available immediately
free shipping
  • capsule
  • vitamin B3 from nicotinic acid and nicotinamide in a base of alfalfa, spirulina and bilberry
  • suitable for vegans
Our rating
9,5
very good
G&G Vitamins Vitamin B3 Nicotinamide 500mg Capsules
G&G Vitamins Vitamin B3 Nicotinamide 500mg Capsules
Available immediately
free shipping
  • 500mg daily dosage
  • capsule form
  • contains nicotinamide and vegetable cellulose
Our rating
9,5
very good
YrHealth Vitamin B3 Niacinamide 500mg Capsules
YrHealth Vitamin B3 Niacinamide 500mg Capsules
Available immediately
free shipping
  • 500mg dosage of niacinamide
  • capsule form
  • contains niacinamide (Vitamin B3)
Our rating
9,5
very good
Niacin Vitamin B3 Complex, 120 Capsules
Niacin Vitamin B3 Complex, 120 Capsules
Available immediately
free shipping
  • capsules are the form of the supplement
  • contains collagen, hyaluronic acid, and vitamin C
Our rating
9,5
very good
Health4All Vitamin B3 Nicotinamide 500mg Tablets
Health4All Vitamin B3 Nicotinamide 500mg Tablets
Available immediately
free shipping
  • 500mg dosage
  • tablet form
  • contains nicotinamide, a water-soluble form of vitamin B3
Our rating
9,4
good
Vitamin B3 Niacin 50mg Capsules
Vitamin B3 Niacin 50mg Capsules
Available immediately
free shipping
  • one capsule per day with meals
  • capsules
  • contains vitamin B3 niacin/nicotinic acid 50 mg, rice flour filler, plant source capsule shell
Our rating
9,4
good
Oxford Vitality Vitamin B3 Tablets, 16mg
Oxford Vitality Vitamin B3 Tablets, 16mg
Available immediately
free shipping
  • 1 tablet per day for full nutrient reference value
  • tablets
  • contains vitamin B3 (niacin) for energy production and nervous system health
Our rating
9,4
good
Alpha01 Vitamin B3 Nicotinamide 500mg Capsules
Alpha01 Vitamin B3 Nicotinamide 500mg Capsules
Available immediately
free shipping
  • one capsule contains 500mg vitamin b3
  • capsule form
  • contains vitamin b3
Our rating
9,1
good
200+ purchases last month
Horbaach Vitamin B3 Nicotinamide 500mg, 90 Vegan Capsules
Horbaach Vitamin B3 Nicotinamide 500mg, 90 Vegan Capsules
Available immediately
free shipping
  • one capsule contains 500 mg of Nicotinamide, the recommended daily amount
  • available in capsule form
  • ingredients include Nicotinamide and other bulking and anti-caking agents
Our rating
9,0
good
Vitamin B3 500mg Capsules Nicotinamide Non-Flush
Vitamin B3 500mg Capsules Nicotinamide Non-Flush
Available immediately
free shipping
  • each capsule contains 500 mg of vitamin B3
  • capsule form
  • active ingredient: vitamin B3
Our rating
8,8
good
Carlyle Vitamin B3 500mg Vegan Tablets
Carlyle Vitamin B3 500mg Vegan Tablets
Available immediately
free shipping
  • 500mg of vitamin B3 (nicotinamide) per daily dose
  • tablet form
  • includes calcium carbonate, microcrystalline cellulose, magnesium stearate, silicon dioxide, polydextrose, hydroxypropylmethylcellulose, maltodextrin, guar gum
Our rating
8,6
good

Similar Vitamin B3 comparisons

Vitamin B3 buying guide: How to choose the right product from the above Vitamin B3 test or comparison

What is Vitamin B3 and Why Do We Need It?

Understanding Vitamin B3

Vitamin B3, also known as niacin, is an essential nutrient that plays a crucial role in our overall health. It contributes to the conversion of food into energy, helping us to maintain healthy metabolism and synthesise fatty acids and cholesterol. This vitamin is vital for the functioning of our digestive system, skin health, and nervous system. Deficiency in Vitamin B3 can lead to symptoms such as fatigue, irritability, and in severe cases, pellagra, which is associated with dermatitis, diarrhoea, and dementia.

Why We Need Vitamin B3

Incorporating adequate amounts of Vitamin B3 in our diets or through supplements ensures that our body functions optimally. It helps support brain health, mood regulation, and skin vitality. Additionally, Vitamin B3 can improve circulation and may even assist in lowering cholesterol levels, making it a beneficial addition to our nutritional regimen.

Different Forms of Vitamin B3: Niacin vs Niacinamide

The Two Main Forms of B3

Vitamin B3 is available in two primary forms: niacin and niacinamide. Niacin, also known as nicotinic acid, is often associated with flushing, a common side effect where the skin becomes red and warm. This occurs because niacin expands blood vessels, which can be beneficial for circulation but may be uncomfortable for some individuals. On the other hand, niacinamide, also known as nicotinamide, does not cause flushing and is often preferred for those wanting to avoid this reaction.

Choosing Between the Two

If you’re looking to manage cholesterol levels or improve cardiovascular health, niacin might be more suitable due to its effects on blood circulation. Conversely, if you’re considering Vitamin B3 for its skin benefits or prefer a supplement without the flushing, niacinamide is the better option. Both forms are effective, but understanding their distinct properties will help you tailor your choice to your specific health goals.

Choosing the Right Vitamin B3 Supplement for Your Needs

Understanding Your Health Goals

When selecting a Vitamin B3 supplement, the first step is recognising your health goals. Are you aiming to reduce cholesterol levels, improve skin health, or perhaps enhance your overall energy levels? For cholesterol management, look for a niacin formulation, while for skin improvement, a niacinamide supplement would be more appropriate.

Evaluating Quality and Ingredients

Always check the label for quality indicators. Look for supplements that contain minimal added ingredients or fillers, focusing on purity and potency. Products with third-party testing often ensure that you are receiving a supplement that meets high-quality standards, which adds an extra layer of reassurance in your choice.

How to Incorporate Vitamin B3 into Your Daily Routine

Easy Integration into Meals

Vitamin B3 can be found in various foods, making it easier to incorporate it into our diets. Foods rich in niacin include poultry, fish, whole grains, and legumes. Aim to select meals that feature these ingredients, or you may choose to add a supplement if dietary intake may be insufficient.

Establishing a Routine

If opting for a Vitamin B3 supplement, consider taking it at the same time each day to create a routine. Integrating it with a daily habit, such as during breakfast or with your evening meal, can help streamline the process and ensure you don’t forget to take it.

Understanding Dosage: How Much Vitamin B3 Should We Take?

Recommended Daily Allowance

The recommended daily allowance (RDA) for Vitamin B3 varies based on age, sex, and life stage. Generally, adult males require about 16 mg per day, while adult females need about 14 mg. If you’re pregnant or breastfeeding, those numbers may increase slightly.

Listening to Your Body

It’s essential to listen to your body when introducing any supplement into your routine. If you experience any adverse effects, such as excessive flushing or gastrointestinal upset, consider reducing the dosage or switching forms from niacin to niacinamide. Consulting a healthcare professional can also help tailor your dosage to fit individual needs better.

Table of contents
  1. What is Vitamin B3 and Why Do We Need It?
  2. Different Forms of Vitamin B3: Niacin vs Niacinamide
  3. Choosing the Right Vitamin B3 Supplement for Your Needs
  4. How to Incorporate Vitamin B3 into Your Daily Routine
  5. Understanding Dosage: How Much Vitamin B3 Should We Take?

Overview

1. Comparison winner
Best Naturals Niacinamide 500mg 240 Tablets
Our rating
9,8
very good
Best Naturals Niacinamide 500mg 240 TabletsAvailable immediately
2. Best value
Health4All Vitamin B3 Niacinamide 500mg Capsules
Our rating
9,8
very good
Health4All Vitamin B3 Niacinamide 500mg CapsulesAvailable immediately
Vitamin B3 Nicotinamide 500mg Capsules
Our rating
9,6
very good
Vitamin B3 Nicotinamide 500mg CapsulesAvailable immediately
4. Bestseller
Vegavero Vitamin B3 Nicotinamide 500 mg Capsules
Our rating
9,6
very good
Vegavero Vitamin B3 Nicotinamide 500 mg CapsulesAvailable immediately
MOBU Niacin 50mg 120 Tablets
Our rating
9,6
very good
MOBU Niacin 50mg 120 TabletsAvailable immediately
Vitamin B3 Nicotinamide Supplement with TMG & Trans-Resveratrol
Our rating
9,6
very good
Vitamin B3 Nicotinamide Supplement with TMG & Trans-ResveratrolAvailable immediately
Viridian Vitamin B3 Capsules 30
Our rating
9,5
very good
Viridian Vitamin B3 Capsules 30Available immediately
G&G Vitamins Vitamin B3 Nicotinamide 500mg Capsules
Our rating
9,5
very good
G&G Vitamins Vitamin B3 Nicotinamide 500mg CapsulesAvailable immediately
Our product comparisons are:
Always up to date:
At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
Neutral and independent:
Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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