Best Vitamins B12

of March 2025

Best Vitamins B12 you can buy today

Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for a number of bodily functions. It plays a critical role in the production of red blood cells, neurological function, and DNA synthesis. Because the body cannot produce B12 on its own, it must be obtained through diet or supplements. Natural sources include animal products such as meat, fish, eggs, and dairy, making B12 intake a concern for vegetarians and vegans. Deficiency in vitamin B12 can lead to symptoms like fatigue, weakness, constipation, and neurological issues. Maintaining adequate levels is crucial for overall health, especially for the nervous system and energy levels.

  • 1
    Nature Made Vitamin B12 1000 mcg, Easy to Take Sublingual B12 for Energy Metabolism Support, 150 Sugar Free Fast Dissolve Tablets, 150 Day Supply
    9.9

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

    Nature Made

  • 2
    Nature's Bounty Vitamin B12, Supports Energy Metabolism, Tablets, 1000mcg, 200 Ct
    9.9

    Nature's Bounty Vitamin B12, Supports Energy Metabolism, Tablets, 1000mcg, 200 Ct best from "Nature's Bounty"

    Nature's Bounty

  • 3
    Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, 150 Softgels, 150 Day Supply
    9.7

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

    Nature Made

  • 4
    Vitafusion Extra Strength Vitamin B12 Gummy Vitamins for Energy Metabolism Support and Nervous System Health Support, Cherry Flavored, America’s Number 1 Brand, 45 Day Supply, 90 Count
    9.6

    Vitafusion Extra Strength Vitamin B12 Gummy Vitamins for Energy Metabolism Support and Nervous System Health Support, Cherry Flavored, America’s Number 1 Brand, 45 Day Supply, 90 Count best from "Vitafusion"

    Vitafusion

  • 5
    Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply
    9.6

    Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply best from "Nature Made"

    Nature Made

  • 6
    Nature’s Bounty Vitamin B12 2500 mcg, Cellular Energy Support, For Energy Metabolism, Heart & Nervous System Health, 75 Quick Dissolve Tablets
    9.5

    Nature’s Bounty Vitamin B12 2500 mcg, Cellular Energy Support, For Energy Metabolism, Heart & Nervous System Health, 75 Quick Dissolve Tablets best from "Nature's Bounty"

    Nature's Bounty

  • 7
    Amazon Basics Vitamin B12 3000 mcg Gummies, Normal Energy Production and Metabolism, Immune System Support, Raspberry, 100 Count (2 per serving) (Previously Solimo)
    9.4

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

    Amazon Basics

  • 8
    Nature Made Extra Strength Vitamin B12 Gummies, 3000 mcg per serving, B12 Vitamin Supplement for Energy Metabolism Support, 60 Gummy Vitamins, 30 Day Supply
    9.4

    Nature Made Extra Strength Vitamin B12 Gummies, 3000 mcg per serving, B12 Vitamin Supplement for Energy Metabolism Support, 60 Gummy Vitamins, 30 Day Supply best from "Nature Made"

    Nature Made

  • 9
    Nature's Bounty Vitamin B12, Supports Energy Metabolism and Nervous System Health, 500mcg, 100 Quick Dissolve Tablets
    9.3

    Nature's Bounty Vitamin B12, Supports Energy Metabolism and Nervous System Health, 500mcg, 100 Quick Dissolve Tablets best from "Nature's Bounty"

    Nature's Bounty

  • 10
    Nature Made Maximum Strength Vitamin B12 5000 mcg, Dietary Supplement for Energy Metabolism Support, 60 Softgels, 60 Day Supply
    9.3

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

    Nature Made

A Guide to Selecting a Vitamin B12

Introduction to the Vitamin B12

Vitamin B12 is an essential nutrient that plays a crucial role in maintaining energy levels, brain function, and overall health. It supports the production of red blood cells and helps prevent anemia. Many people take supplements to ensure they get enough of this important vitamin, especially if they follow a vegetarian or vegan diet.

Best Vitamin B12 Brands

There are many different brands offering vitamin B12 supplements, but choosing the right one can be challenging. Below are some of the best brands known for their quality and effectiveness:

  • Nature Made – Known for high-quality, USP-certified supplements.
  • Jarrow Formulas – Offers methylcobalamin, a highly absorbable form of B12.
  • Solgar – Provides non-GMO, gluten-free options.
  • Garden of Life – Specializes in organic, whole-food-based supplements.

Features of a Vitamin B12

When selecting a vitamin B12 supplement, it’s important to look at the features that affect its absorption and effectiveness.

  • Form: Methylcobalamin, cyanocobalamin, or hydroxocobalamin.
  • Dosage: Typically available in doses ranging from 500 mcg to 5000 mcg.
  • Absorption Method: Available in tablets, sublingual drops, injections, and sprays.
  • Additional Nutrients: Some formulations include vitamin B12 with iron or zinc for added benefits.

Most Important Factors to Consider When Buying Vitamin B12

To ensure you are getting the best supplement for your needs, consider the following key factors:

  • Bioavailability: Methylcobalamin is often preferred for better absorption.
  • Dietary Restrictions: Ensure the supplement is suitable for vegetarians and vegans.
  • Purpose: If you are taking vitamin B12 for skin or hair, choose a formulation with added biotin or collagen.
  • Quality Standards: Look for third-party testing and certifications.

Advantages and Disadvantages Vitamin B12

Taking vitamin B12 supplements comes with both benefits and potential drawbacks.

Advantages:

  • Boosts energy and reduces fatigue.
  • Supports brain health and cognitive function.
  • Promotes healthy hair, skin, and nails.
  • Helps prevent anemia by supporting red blood cell production.

Disadvantages:

  • Excessive intake may cause dizziness or headaches.
  • Some people may experience mild digestive discomfort.
  • Not all formulations are equally absorbed by the body.

Conclusion on Vitamin B12

Choosing the right vitamin B12 supplement is essential for maintaining overall health. Whether you need vitamin B12 for skin, hair, or a supplement that includes additional nutrients like vitamin B12 with iron or zinc, be sure to check for quality, bioavailability, and dosage. By considering these factors, you can ensure you are getting the best possible supplement to support your wellness journey.

Lisa Carter avatar
Lisa Carter

Content writer & Product reviewer

Lisa is a dedicated content writer with a focus on luxury and lifestyle products. On our site, she covers topics like Luxury Stores, Beauty & Personal Care, Clothing, Shoes & Jewelry, and Health & Household. Lisa’s attention to detail and passion for high-quality products shine through in her reviews and guides. She provides insightful recommendations, helping readers navigate everything from luxury fashion to everyday health essentials, all with a personal and relatable touch. Her expertise in these areas ensures readers make informed and stylish choices.

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