Best D3 Vitamin B12 Supplements of 2026

Name: Nature Made Vitamin B12 Sublingual Lozenges, 150 Day Supply
Brand: Nature Made

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.

D3 Vitamin B12 supplements are a great way to boost your energy levels and maintain a healthy immune system. These supplements are a combination of two essential vitamins that work together to provide numerous health benefits. Vitamin D3 helps your body absorb calcium, while Vitamin B12 is essential for healthy nerve function and the production of red blood cells. D3 Vitamin B12 supplements are particularly beneficial for vegans and vegetarians who may not get enough of these vitamins from their diet. These supplements are available in various forms, including tablets, capsules, and gummies, making them easy to incorporate into your daily routine.

At a Glance: Our Top Picks

#TOP 1

Nature Made Vitamin B12 Sublingual Lozenges, 150 Day Supply

9.9

Buy on Amazon Read Review

#TOP 2

Nature’s Bounty Vitamin B12 2500 mcg Tablets

9.8

Buy on Amazon Read Review

#TOP 3

Nature's Bounty Vitamin B12, 1000mcg, 200 Ct

9.6

Buy on Amazon Read Review

Top 10 D3 Vitamin B12 Supplements

#TOP 1 Best Tablet Vitamin B12 Supplement

Nature Made Vitamin B12 Sublingual Lozenges, 150 Day Supply

Nature Made
3217
Pink

Nature Made Vitamin B12 1000 mcg, Easy to Take Vitamin B12 Sublingual Tablets for Energy Metabolism Support, 150 Sugar Free Fast Dissolve Tablets, 150 Day Supply

Nature Made Vitamin B12 Sublingual Lozenges provide energy metabolism support, improve brain cell function, and promote proper red blood cell formation. The 1000 mcg lozenges have a great-tasting flavor, are easy to take, and are sugar-free. This 150-day supply is perfect for vegetarians and vegans who may not consume enough B12 from their diet alone. Made in the USA with quality ingredients, these lozenges are USP Verified and the number one pharmacist recommended vitamin and supplement brand.

9.9

Buy on Amazon Find on eBay Find on Walmart

What We Like

Quick-dissolving sublingual tablets
Pleasant cherry flavor
Reasonable price
Reliable energy boost
Trusted quality brand

#TOP 2 Best Gluten-Free Vitamin B12 Supplement

Nature’s Bounty Vitamin B12 2500 mcg Tablets

Nature's Bounty
58911
Green

Nature’s Bounty Vitamin B12 2500 mcg, Cellular Energy Support, for Energy Metabolism, Heart & Nervous System Health, 75 Quick Dissolve Tablets

Nature’s Bounty Vitamin B12 2500 mcg Tablets are designed to help support your body’s energy metabolism, heart and nervous system health. With 75 quick dissolve tablets, this supplement is an easy and convenient way to ensure that your body gets the Vitamin B12 that it needs. Nature's Bounty is committed to quality and safety and this supplement is gluten-free, sugar-free, and contains no artificial flavors or sweeteners, making it suitable for vegetarians.

9.8

Buy on Amazon Find on eBay Find on Walmart

What We Like

Quick-dissolving tablets
Pleasant cherry flavor
Boosts energy and immunity
Vegetarian-friendly formula
High-quality and affordable

#TOP 3 Best Vitamin B12 Supplement for Metabolism Support

Nature's Bounty Vitamin B12, 1000mcg, 200 Ct

Nature's Bounty
52805

Nature's Bounty Vitamin B12 1000 mcg Supplements, Supports Energy Metabolism, 200 Ct

Nature's Bounty B12 Tablets are a product of nearly 50 years of dedication to quality, consistency, and scientific research to make vitamins and nutritional supplements of unrivaled excellence. These tablets support cellular energy health by aiding in the conversion of food into cellular energy. They also support cardiovascular health and help maintain healthy nerves. The tablets are easy to swallow as they are coated, making them more convenient for users.

9.6

Buy on Amazon Find on eBay Find on Walmart

What We Like

Energy boost
Easy to take
Good value
No unpleasant aftertaste
High-quality supplement

#TOP 4 Best Vitamin B12 Supplement for Heart Health

Thorne Vitamin B12 Capsules

THORNE
B125

THORNE - Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Healthy Sleep & Methylation* - Gluten, Dairy & Soy-Free - 60 Servings

Thorne B12 is a vitamin B12 supplement that comes in capsule form. It contains Methyl-B12, a form of vitamin B12 that is easily absorbed by the body. Thorne B12 supports heart health and nerve function, helps maintain normal circadian rhythms to support restful sleep, and supports the body's healthy methylation processes. The supplement is gluten-free, soy-free, and dairy-free. Thorne is a trusted brand, chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of U.S. Olympic Teams. With Thorne B12, you can improve your heart and nerve health, sleep better, and support your body's natural processes.

9.6

Buy on Amazon Find on eBay Find on Walmart

What We Like

Energy boost
Supports B12 levels
No stomach upset
Methylated form
Physician recommended

#TOP 5

Nature Made Vitamin B12 1000 mcg Softgels

Nature Made
2916
150 Count

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg, 150 Softgels, 150 Day Supply

Nature Made B12 Softgels is a dietary supplement that helps support energy metabolism, brain cell function, and red blood cell formation. With 1000 mcg of Vitamin B12 per softgel, this supplement can help break down food into energy that your body can use all day long. It also supports the production of neurotransmitters needed for mood health. For vegetarians and vegans who may not consume enough B12 from diet alone, this supplement is especially important. Simply take one softgel daily with water and a meal. Nature Made B12 Softgels are gluten-free, have no synthetic dyes, and no artificial flavors. As a USP verified product and #1 Pharmacist Recommended Vitamin and Supplement Brand, you can trust the quality and effectiveness of Nature Made B12 Softgels.

9.6

Buy on Amazon Find on eBay Find on Walmart

What We Like

Noticeable energy boost
Easy to swallow
No aftertaste or smell
High-quality ingredients
Long-lasting supply

#TOP 6 Best Vegetarian Vitamin B12 Supplement

Amazon Solimo Vitamin B12 Gummies

Amazon Basics
SMARA-HPC-7238

Amazon Basics Vitamin B12 3000 mcg Gummies, Normal Energy Production and Metabolism, Immune System Support, Raspberry, 100 Count (2 per serving) (Previously Solimo)

The Amazon Solimo Vitamin B12 Gummies support energy production and metabolism and promote healthy immune function, while also aiding in normal brain function and cognition. The raspberry flavored vegan gummies come with 100 gummies per bottle, enough for a one-and-a-half month supply when taken daily at listed serving size. The gummies are gluten-free, and do not contain wheat, dairy, soy, or egg.

9.5

Buy on Amazon Find on eBay Find on Walmart

What We Like

Pleasant raspberry flavor
High B12 dosage
Vegan and allergen-free
Soft, easy-to-chew texture
Affordable price

#TOP 7 Best Softgel Vitamin B12 Supplement

Nature Made Maximum Strength Vitamin B12 5000 mcg Softgels

Nature Made
2886
No Artificial Color

Nature Made Maximum Strength Vitamin B12 5000 mcg, Dietary Supplement for Energy Metabolism Support, 60 Softgels, 60 Day Supply

Nature Made Maximum Strength Vitamin B12 5000 mcg Softgels is a dietary supplement that supports energy metabolism and brain cell function. It contains high-quality ingredients, is gluten-free and has no artificial flavors or preservatives. This supplement is essential for vegetarians and vegans who may not consume enough vitamin B12 from their diet alone. It is recommended to take one softgel daily with water and a meal for a 60-day supply.

9.4

Buy on Amazon Find on eBay Find on Walmart

What We Like

Easy to swallow
No taste
Small size
High vitamin quality
Affordable price

#TOP 8 Best Vegan Vitamin B12 Supplement

Horbaach B12 Sublingual Methylcobalamin 5000mcg

Horbäach
CL1171

Horbäach B12 Vitamin 5000 mcg | 120 Fast Dissolve Tablets | Sublingual Methylcobalamin | Vegetarian, Non-GMO & Gluten Free Supplement

Horbaach B12 Sublingual is a vitamin B12 supplement that comes in delicious natural berry flavor. Each fast dissolve tablet features a potent formula of 5000mcg vitamin B12 as methylcobalamin. The vegetarian formula is expertly crafted, backed by a commitment to purity and potency. The product is naturally free of gluten, yeast, milk, lactose, artificial flavoring, and non-GMO. The sublingual form of B12 ensures easy absorption by placing it under your tongue. This supplement can be beneficial for those who have a deficiency in vitamin B12, which can help improve energy levels, brain function, and support a healthy nervous system. The fast dissolve tablet is also convenient to take on-the-go, making it easy to maintain your daily B12 intake.

9.2

Buy on Amazon Find on eBay Find on Walmart

What We Like

Good taste
Quick dissolution
Value for price
Positive health impact
Fast delivery

#TOP 9

EZ Melts Dissolvable Vitamin B12 Supplements

EZ Melts
40184

EZ Melts Dissolvable B12 2,500 mcg - Vitamin B12 for Energy & Immune Support - Non-GMO, Vegan & Gluten-Free - Red Cherry - 90 Sublingual Tablets (90 Servings)

Try EZ Melts Dissolvable Vitamin B12 Supplements to improve your overall well-being. With a bioactive form of B-12 vitamin, this vegan supplement supports healthy immune function, promotes mental clarity, and aids the body in breaking down food into energy. The cherry flavor taste is created using plant-derived ingredients, and the tablets dissolve in your mouth for easy absorption. Made in the USA with no artificial colors, flavors, or sweeteners and no pesky irritants like gluten or dairy, you can be confident in consistent quality.

9.1

Buy on Amazon Find on eBay Find on Walmart

What We Like

Supports healthy immune function and promotes mental clarity
Dissolves in your mouth for easy absorption
No artificial colors, flavors, or sweeteners
Made in the USA with no pesky irritants like gluten or dairy

#TOP 10 Best Plant Based Vitamin B12 Supplement

Vitamin D3 & Vitamin B12 Methyl B12 Gummies

NutraChamps
B12GummiesParent

NutraChamps Vitamin D3 & B12, Methyl B12 Gummies for Adults & Kids, Enhanced with Vitamin D 3 & B9 Vitamin Folate, Natural Energy, Mood, Metabolism & Focus, Raspberry, 60 Gummies

Boost your mood, immunity, and overall health with NutraChamps Vitamin D3 & Vitamin B12 Methyl B12 Gummies. With D3, B12, and Folate, these gummies provide multiple benefits, including bone strength, heart health, and immune support. The plant-based pectin gummies are vegetarian-friendly, gluten-free, and deliciously flavored, making them perfect for children, women, and men. NutraChamps only uses natural methylcobalamin (Methyl B-12) form of B12, which is easier to digest and absorb for energy and wellness benefits.

9.0

Buy on Amazon Find on eBay Find on Walmart

What We Like

Made with natural methylcobalamin form of B12
Plant-based pectin gummies are vegetarian-friendly and gluten-free
Delicious natural berry flavor

Frequently Asked Questions (FAQs)

1. Can I take vitamin B12 and Vit D3 together?

Yes, vitamin B12 and vitamin D3 can be taken together without any issues.

2. What is the use of vitamin D3 B12?

Vitamin D3 B12 supplements are beneficial for treating various conditions caused by low calcium levels in the body. These conditions can include vitamin D deficiency, vitamin B12 deficiency, osteoporosis (weak and brittle bones), hypoparathyroidism (low calcium levels in the body), latent tetany (a muscle disease), and more.

3. What happens when B12 and D3 deficiency?

Deficiency in vitamin B12 and vitamin D3 can lead to various health issues. These can include body aches, brain fog, fatigue, hormonal imbalance, brittle nails, memory loss, and other serious health concerns.

4. What vitamin should not be taken with D3?

When taking vitamin D3, it is advised to avoid taking vitamins D, E, and K together. Studies have shown that the absorption of vitamin K may be reduced when taken with other fat-soluble vitamins like vitamin E and vitamin D. It is recommended to take these vitamins at least 2 hours apart for better absorption.

5. When should I take B12 and D3?

It is recommended to take water-soluble vitamins like B12 on an empty stomach with a glass of water. For vitamin B12, the best time to take it is in the morning to avoid any interference with sleep.

6. What happens if I take vitamin D3 everyday?

Taking vitamin D3 daily can be beneficial, but excessive intake in the form of supplements can be harmful. Taking more than 4,000 IU a day of vitamin D3 might lead to symptoms like nausea, vomiting, poor appetite, and weight loss. It is important to consult a healthcare professional for proper dosage recommendations.

7. Can B12 and D3 deficiency cause anxiety?

Research indicates a link between vitamin B12 deficiency and anxiety. Vitamin B12 plays a role in red blood cell production, nerve functioning, and DNA production, all of which are connected to mood. Therefore, deficiency in vitamin B12 and vitamin D3 can potentially contribute to anxiety.

Editor's Notes

During our d3 vitamin b12 supplement research, we found 24 d3 vitamin b12 supplement products and shortlisted 10 quality products. We collected and analyzed 906,434 customer reviews through our big data system to write the d3 vitamin b12 supplements list. We found that most customers choose d3 vitamin b12 supplements with an average price of $17.02.

The d3 vitamin b12 supplements are available for purchase. We have researched hundreds of brands and picked the top brands of d3 vitamin b12 supplements, including Nature Made, Nature's Bounty, THORNE, EZ Melts, NutraChamps. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by

Elisa Drew

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.