Best B3 Vitamin B-Complex Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 20, 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

B3 Vitamin B-Complex Supplements are a popular choice for those looking to support their overall health and well-being. These supplements contain a blend of B vitamins, including thiamine, riboflavin, niacin, B6, and B12. B vitamins are essential for a variety of bodily functions, including energy production, nervous system health, and immune system support. B3 Vitamin B-Complex Supplements are available in various forms, including capsules, tablets, and gummies, making them a convenient and easy way to boost your B vitamin intake. They are also often recommended for those with dietary restrictions, such as vegans or individuals with gluten sensitivities.

At a Glance: Our Top Picks

NUTRAHARMONY Vitamin B Complex Cover #TOP 1
NUTRAHARMONY Vitamin B Complex
ftb score rating icon 9.8
NatureWise Vitamin B Complex Cover #TOP 2
NatureWise Vitamin B Complex
ftb score rating icon 9.7
Thorne Basic B-Complex Supplement - 60 Capsules Cover #TOP 3
Thorne Basic B-Complex Supplement - 60 Capsules
ftb score rating icon 9.5

Top 9 B3 Vitamin B-Complex Supplements

NUTRAHARMONY Vitamin B Complex

NH-BCMPLXCPS60
NUTRAHARMONY Vitamin B Complex Cover
Vitamin B Complex for Men & Women - Riboflavin B2, B12, B1, B3, B5, B6, B7, B8, B9 | Vitamin C, Choline, Inositol - B-Complex Supplement - Energy, Brain & Heart Support - Made in USA, 60 Vegan Caps

NUTRAHARMONY B Complex is a high-quality vitamin supplement that provides a full-spectrum of B-complex vitamins along with vitamin C, Choline, and Inositol. With a daily dose of 754 mg per serving, this B-complex supports energy, brain, and mood, while strengthening and maintaining the immune system. It also supports the work of the cardiovascular and nervous systems, making it a comprehensive health support. Made in the USA with care and love, these capsules are free from GMOs and artificial additives. If you're looking for a potent B-complex vitamin supplement that delivers results, NUTRAHARMONY B Complex is the one for you!

What We Like
Increases energy levels
Supports cognitive function
Promotes hair growth
Gentle on stomach
Good value

NatureWise Vitamin B Complex

nwbc
NatureWise Vitamin B Complex Cover
NatureWise Vitamin B Complex for Women and Men - with Folic Acid Biotin B1 B2 B3 B6 B12 - Support Cellular Energy & Mental Clarity - Gluten & Dairy Free, Non-GMO - 60 Softgels[2-Month Supply]

NatureWise B Complex provides a comprehensive blend of B vitamins essential for energy production, metabolism, and cognitive function. B vitamins support cellular energy production, helping you utilize carbohydrates, proteins, and fats for increased energy levels. Additionally, they play a crucial role in the nervous system, aiding in mental clarity, mood regulation, and memory enhancement. The softgels are gluten-free, dairy-free, and free from common allergens like wheat, eggs, and nuts. Manufactured in the USA with premium ingredients, NatureWise B Complex ensures quality and efficacy for your overall well-being.

What We Like
Improved energy and focus
Easy to swallow softgels
High quality, trusted brand
No stomach upset
Comprehensive B vitamin blend

Thorne Basic B-Complex Supplement - 60 Capsules

B104
Thorne Basic B-Complex Supplement - 60 Capsules Cover
THORNE - Basic B-Complex - Tissue-Ready Vitamin B Complex Supplement with Choline - Supports Cellular Energy Production, Brain Health & Red Blood Cell Formation* - Gluten-Free - 60 Servings

The Thorne Basic B-Complex Supplement is a tissue-ready vitamin B complex supplement that supports the optimal functioning of your nervous system and healthy nerve cells. The supplement promotes cellular energy production, with an optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in your body. It doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish or shellfish. Thorne is a trusted supplement brand, chosen by champions and trusted by 100+ pro teams.

What We Like
Methylated active B vitamins
Improved energy and mood
Supports nervous system health
No stomach discomfort
Clean ingredient list

Super B-Complex - High Strength Methylated Tablets

Super B-Complex - High Strength Methylated Tablets Cover
Igennus Super B-Complex Methylated B Vitamins, All Day Nutrient Delivery, Clean Label, MTHFR Supplement with Methylfolate & B12 Methylcobalamin, Vegan, Lab Verified, 60 Small Tablets

The Super B-Complex Tablets are a high strength, vegan and vegetarian-friendly dietary supplement that supports energy metabolism, immune and hormonal systems, homocysteine regulation, nutrient metabolism, heart function, and psychological function. These small tablets (9mm) deliver a sustained release of vitamins including Thiamine, Riboflavin-5-phosphate, Niacinamide, Calcium D-pantothenate, D-Biotin, and Pyridoxal-5-Phosphate. Additionally, the methylated vitamin forms of bioavailable folate as methylfolate and methylcobalamin (Vit B12) are used for immediate absorption. The twice daily dosing optimises B12 levels, providing all-day nutrient coverage. The tablets are GMP manufactured in the USA and MTHFR friendly (no synthetic folic acid).

What We Like
Methylated B vitamins
Noticeable energy boost
Gentle on stomach
Vegan and clean ingredients
Easy to swallow tablets
#TOP 5

Garden of Life Raw B Complex - Vitamin Code

Garden of Life Raw B Complex - Vitamin Code Cover
Garden of Life Vitamin B Complex, 120 Vegan Capsules, High Potency Vitamins for Energy & Metabolism with B6, Folate & B12 as Methylcobalamin Plus Probiotics

Garden of Life Raw B Complex - Vitamin Code is a high potency supplement that supports energy, metabolism, immune system, heart, and blood health. This B Complex supplement contains 8 whole food complexed B vitamins, raw probiotics, and enzymes that support healthy digestion. The supplement is vegan, gluten-free, kosher, and free from synthetic binders, fillers, and artificial additives.

What We Like
Whole food ingredients
Steady energy boost
No stomach discomfort
Easy to swallow
Improves mood and clarity

Divine Bounty Super B Complex Vitamins

DB-BVITA-S90
Dark Amber Bottle
Divine Bounty Super B Complex Vitamins Cover
Divine Bounty Super B Complex Vitamins - All B Vitamins Including B12, B1, B2, B3, B5, B6, B7, B9, Folic Acid - Vitamin B Supplement - Support Healthy Energy Metabolism - 90 Vegetarian Capsules

Divine Bounty Super B Complex Vitamins is an extra strength formula that contains all essential B Vitamins in just one capsule, making it one of the best value vitamin B supplements available. It is made up of only pure ingredients with no harmful additives, and is non-GMO, soy-free, gluten-free and have no preservatives, stearates, silicone dioxide or artificial ingredients. Our bodies use B vitamins every day, and while diet is always the best way to get these essential vitamins, it's not always possible to get enough of all 8 b vitamins from food alone. The Divine Bounty B Complex formula is a supplement to any deficiencies, and is proudly made in the USA in an inspected facility.

What We Like
Boosts energy levels
Improves mental clarity
High-quality ingredients
Convenient packaging
Suitable for vegetarians
#TOP 7

MaryRuth's Vitamin B Complex Liquid Drops

MaryRuth Organics
1 Fl Oz (Pack of 1)
MaryRuth's Vitamin B Complex Liquid Drops Cover
MaryRuth Organics Vitamin B Complex | B Vitamins Complex | Biotin | Vitamin B12 | Niacin | Folate | Metabolic Support Supplement | Vegan | USDA Organic | Non-GMO | Gluten Free | 2 Month Supply

MaryRuth's Vitamin B Complex Liquid Drops provide a 2-month supply of a delicious tart cherry flavored supplement that feeds your body's B-vitamin needs. This vegan, non-GMO, and gluten-free formula contains B3, B6, B7, B9, and B12, which offer a plethora of benefits, including metabolism support, amino acid metabolization, proper cell division, and red blood cell development. The easy-to-take liquid formula comes with a dropper, providing a convenient way to take 15 drops once daily.

What We Like
Delicious tart cherry flavor
Provides multiple benefits such as metabolism support and proper cell division
Vegan, non-GMO, and gluten-free formula
#TOP 8

Nutricost High Potency Vitamin B Complex 460mg

ZL08083
Nutricost High Potency Vitamin B Complex 460mg Cover
Nutricost High Potency Vitamin B Complex 462mg, 120 Capsules - with Vitamin C - Energy Complex

Nutricost Vitamin B Complex is a high potency supplement that provides essential B vitamins and vitamin C in convenient "veggie" capsules. With 120 capsules per bottle, it offers a long-lasting supply. This supplement contains vitamins B1, B2, B3, B5, B6, B7 (Biotin), B9 (Folic Acid), B12, and C, which are known to support energy production and overall well-being. Each capsule delivers 460mg of the vitamin B complex, ensuring a potent dose. The plant-based capsules are vegetarian, non-GMO, and gluten-free, making them suitable for various dietary needs. Additionally, the product is third-party tested for quality and is manufactured in a GMP compliant, FDA registered facility, ensuring its safety and reliability.

What We Like
High Potency
Convenient "Veggie" Capsules
Includes Vitamin C

NATURELO B Complex with Fruits and Veggies - 120 Capsules

B-COMPLEX-120
NATURELO B Complex with Fruits and Veggies - 120 Capsules Cover
NATURELO Vitamin B Complex,120 Capsules, Vegan, CoQ10, Methyl Folate, Biotin, Fruit & Veg Blend, Supports Energy and Healthy Stress Response, Super B Complex Vitamins for Women and Men

The NATURELO B Complex with Fruits and Veggies is a high-potency multivitamin that includes all eight B vitamins, plus important co-nutrients like Choline, Inositol, and PABA, with added organic fruits and vegetables for an extra boost of whole food nutrition. This vegan-friendly supplement contains the active, MTHFR-friendly forms of Folate, B6, and B12 that can be used directly by the body. The B complex vitamins support energy production and metabolism, heart health, and a healthy pregnancy, while promoting healthy brain and nervous system function.

What We Like
Includes all eight B vitamins plus important co-nutrients like Choline, Inositol, and PABA, with added organic fruits and vegetables for an extra boost of whole food nutrition.
Vegan-friendly supplement contains the active, MTHFR-friendly forms of Folate, B6, and B12 that can be used directly by the body.
B complex vitamins support energy production and metabolism, heart health, and a healthy pregnancy, while promoting healthy brain and nervous system function.
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is vitamin B3 same as B complex?

Vitamin B3 (so named because it was the 3rd B vitamin discovered) is part of the B vitamin complex. B3 is also known as niacin (nicotinic acid) and niacinamide (nicotinamide).

2. What does vitamin B3 complex do?

Niacin, also known as vitamin B3, is an important nutrient. In fact, every part of your body needs it to function properly. As a supplement, niacin may help lower cholesterol, ease arthritis, and boost brain function, among other benefits.

3. Is it OK to take B complex everyday?

Since B vitamins are water-soluble, it's unlikely that you will consume too much of these nutrients through food or by taking a B-complex supplement as directed. However, taking supplements that contain excessively high and unnecessary quantities of B vitamins could lead to serious side effects.

4. What is vitamin B complex good for?

The B vitamins help enzymes in our bodies do their jobs and are important for a wide range of cellular functions, like breaking down carbohydrates and transporting nutrients throughout the body. The B vitamins play an inter-related role in keeping our brains running properly.

Editor's Notes

During our b3 vitamin b-complex supplement research, we found 24 b3 vitamin b-complex supplement products and shortlisted 9 quality products. We collected and analyzed 514,909 customer reviews through our big data system to write the b3 vitamin b-complex supplements list. We found that most customers choose b3 vitamin b-complex supplements with an average price of $21.71.

The b3 vitamin b-complex supplements are available for purchase. We have researched hundreds of brands and picked the top brands of b3 vitamin b-complex supplements, including NUTRAHARMONY, NatureWise, THORNE, Igennus Healthcare Nutrition, Garden of Life. The seller of top 1 product has received honest feedback from 8,782 consumers with an average rating of 4.9.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.