Contents

The Best Vitamin B12 Pure Encapsulations of 2023 – Reviewed and Top Rated

2,253 Reviews Scanned

Rank No. #1

Pure Encapsulations B12 Folate - Energy Supplement to Support Nerves, Energy Metabolism & Cognitive Support* - with Vitamin B Folate as Metafolin - 60 Capsules

Premium Folate Supplement: Vitamin B12 and folate help convert carbohydrates into energy and break down proteins in the body; provides metabolism support*
Nervous System Support: Vitamin B12 (methylcobalamin) and folate (L-5-MTHF) support the nervous system* and function as hair, skin, and liver aids
Cognitive Support: Folate is essential for fetal neural development; B12 is an important nutrient for memory and cognitive support*
Supports Gut Health: Support G.I. tract thanks to the active form of the B12 vitamin, methylcobalamin; also a liver support supplement*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #2

Pure Encapsulations Methylcobalamin 1,000 mcg - Vitamin B12 Supplement to Support Memory & Nerve Health - Premium Vitamin B12 Capsules - 180 Capsules

Advanced Methylcobalamin B12: High-quality vitamin B12 capsules support nerve health and energy metabolism
Energy Supplement: Pure Encapsulations B12 capsules are a natural energy supplement that support cognitive function
Nervous System Supplements: Our B12 capsules are a nervous system supplement to support neurological health
Vitamin Supplement: Our vitamin B12 methylcobalamin supports memory, plus energy and fitness
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #3

Pure Encapsulations B-Complex Plus - B Vitamins Supplement to Support Neurological Health, Cardiovascular Health, Energy Levels & Nervous System Support* - with Vitamin B12 & More - 120 Capsules

Nervous System Support: Supports the nervous and cardiovascular system plus healthy nerve and blood cells; also supports hair, skin and nails*
Cognitive Support: Methylated Folate (Metafolin L-5-MTHF) and vitamin B12 support healthy cognitive function, memory, and energy; also supports G.I. tract*
Premium Cellular Energy Support for Women and Men: B vitamins support metabolism of protein and conversion of carbohydrates into energy*
Supports Cognitive Health: This vitamin B complex supplement supports memory, energy, and metabolism*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #4

Pure Encapsulations B12 Liquid | 1,000 mcg Vitamin B12 (Methylcobalamin) Supplement to Support Nerves, Immune Health, Energy, and Cognitive Function* | 1 fl. oz.

Cognitive Function: B12 is helps support nerve cell health and cognitive function.*
Cellular Energy Production: Vitamin B12 can also play an important role in contributing to energy production and maintaining a healthy immune system*
Immune Support: Vitamin B12 plays a role in immune system health and healthy homocysteine metabolism.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Rank No. #5

Pure Encapsulations B12 5,000 Liquid - Vitamin B12 Methylcobalamin Supplement to Support Energy, Nerve Health, Cognitive Function & Blood Cells* - Liquid B12 Drops - 1 Fl Oz

Liquid B12 Drops: Vitamin B12 (methylcobalamin) helps support nerve cell health and cognitive function*; great-tasting liquid formula
Liquid Vitamin B: Vitamin B12 can also play an important role in contributing to energy production and maintaining a healthy immune system*
Vit B12 for Immune Support: Vitamin B12 also plays a role in immune system health and homocysteine metabolism*
Vitamin B Supplements: This liquid vitamin B12 supports overall well-being and supports red blood cell production
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #6

Pure Encapsulations Adenosyl/Hydroxy B12 | Blend with Vitamin B12 for Nerve and Mitochondrial Support* | 90 Capsules

Nerve Support: Adenosyl/Hydroxy B12 is a vitamin B12 blend formulated for healthy nerve support.*
Metabolism And Mitochondrial Support: Adenosyl/Hydroxy B12 supports carbohydrate metabolism for the enzyme methylmalonyl-CoA provides adenosylcobalamin, the major form of B12 store in the mitochondria of cells*
Activated B12: Adenosylcobalamin is an activated form of B12 similar to methylcobalamin, and is the major form of vitamin B12 stored in the mitochondria of cellular tissues.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Rank No. #7

Pure Encapsulations B12 Folate - Energy Supplement to Support Nerves, Energy Metabolism & Cognitive Support* - with Vitamin B Folate as Metafolin - 30 Capsules

Premium Folate Supplement: Vitamin B12 and folate help convert carbohydrates into energy and break down proteins in the body; provides metabolism support*
Nervous System Support: Vitamin B12 (methylcobalamin) and folate (L-5-MTHF) support the nervous system* and function as hair, skin, and liver aids
Cognitive Support: Folate is essential for fetal neural development; B12 is an important nutrient for memory and cognitive support*
Supports Gut Health: Support G.I. tract thanks to the active form of the B12 vitamin, methylcobalamin; also a liver support supplement*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #8

Pure Encapsulations Vitamin D3 125 mcg (5,000 IU) - Supplement to Support Bone, Joint, Breast, Heart, Colon, and Immune Health* - with Vitamin D - 120 Capsules

Bone Health: Vitamin D3 supports calcium absorption and retention to support optimal bone health; this vitamin D supplement supports bone strength*
Breast, Colon & Immune Support: Vitamin D3 supports colon and breast health by aiding blood vessel function, immune cell activity, and healthy cell metabolism*
Immune Support Supplement: These D3 vitamins bind to receptors on immune cells, including lymphocytes and macrophages, supporting healthy immune function*
Supports Heart Health: This D3 supplement supports cardiovascular health and brain health, as well as immune cell activation*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #9

Pure Encapsulations PureGenomics B-Complex - Broad Spectrum B Vitamin Support for Genetic Expression, Cellular Function, Hormone Production & Energy Metabolism* - with Vitamin B12 & B6-120 Capsules

Vit B Complex for Methylation: PureGenomics B-Complex uses activated forms of B vitamins to address nutrient requirements of common genetic variations*
Activated Vitamin B Complex Capsule: Provides activated B vitamins, including vitamin B6, riboflavin/vitamin B2, benfotiamine, and 800 mcg of L-5-MTHF
Vitamin B12 Blend: Vitamin B12, offered as a combination of hydroxocobalamin and adenosylcobalamin, supports carbohydrate metabolism and neuronal myelin*
Brain Health Supplement: B complex vitamins for women and men support cellular health, hormone and neurotransmitter production, and energy metabolism*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #10

Pure Encapsulations O.N.E. Multivitamin - Once Daily Multivitamin with Antioxidant Complex Metafolin, CoQ10, and Lutein to Support Vision, Cognitive Function, and Cellular Health* - 60 Capsules

Multivitamin for Women & Men: Once-daily capsules provides vitamins A, B, C, D and E in highly bioavailable forms; CoQ10, L-5-MTHF, and ALA for antioxidant support*
Cognitive Support Multivitamin: O.N.E. Multivitamin provides choline, inositol, lycopene, vitamin D, lutein, and zeaxanthin for overall wellness*
Natural Color Variation: O.N.E. Multivitamin has a distinct odor/taste; moisture can create a spotted appearance that is normal and safe to use*
Pure Encapsulations O.N.E. Vitamins: These multivitamins for men and women support healthy cognitive function, cellular health, and eye health*
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

SaleRank No. #11

Pure TheraPro BioActive Vegan Vitamin B12 Sublingual Liquid Supplement with Hydroxocobalamin, Adenosylcobalamin & Methylcobalamin 1,000 mcg per Drop (5 Drops a Day for a 60-Day Supply) 10 ml

THREE-IN-ONE SUPPORT: BioActive Full Spectrum Vitamin B12 liquid is a premium quality liquid B12 complex utilizing three (3) bioavailable forms in one (1). Thanks to being a sublingual B complex, our liquid Vitamin B12 provides max absorption through the mouth’s mucous membranes. Our liquid B12 drops have a natural and mild taste that is easy on the palate.
ADVANCED FORMULA: Containing a patented, biologically active form of Methylcobalamin (MecobalActive), a mitochondrial form of Adenosylcobalamin considered an active "coenzyme" that is utilized directly in B12-dependent enzyme reactions in the body, and a protector form of Hydroxocobalamin that readily converts to Methylcobalamin, our B12 liquid vitamins are truly unlike any other.
PREMIUM QUALITY: We never use fillers, excipients, or flow agents in our supplements, including our vegan B12 vitamin supplement. We always promise to put quality first with absolutely no exceptions. We do not use Chinese-sourced ingredients because their quality, potency, and authenticity are often questionable.
FORMULATED AND PACKAGED IN THE USA: Formulated and packaged in NSF-certified facilities right here in the USA, our third-party tested non-GMO sublingual B12 supplement follows the FDA's strict cGMP guidelines.
ABOUT US: Pure TheraPro Rx was founded in Denver Colorado to formulate and manufacture the highest quality supplements available on the market today. Purity is our priority, which is why we insist on using patented, clinically studied ingredients, and never utilizing fillers, flow agents, excipients, or ingredients sourced from China. We also never use dairy, gluten, corn, soy, or other common allergens in any of our class-leading, practitioner-recommended formulas.

Rank No. #12

Thorne Vitamin B12 - as Methylcobalamin - Supports Heart and Nerve Health, Blood Cell Function, Healthy Sleep, and Methylation - Gluten-Free, Soy-Free, Dairy-Free - 60 Capsules

Methyl-B12: A form of vitamin B12 that is more readily used by the body*
Heart & Nerves: Supports heart health and nerve function*
Sleep: Helps maintain normal circadian rhythms to support restful sleep*
Methylation: Supports the body's healthy methylation processes*
Trusted: Thorne is 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

Rank No. #13

Pure Encapsulations MethylAssist 90's - B Vitamin Complex - Methylation Support* - Heart Health & Brain Health - Non-GMO & Gluten Free - 90 Capsules

B Vitamin Complex: MethylAssist 90's features a vitamin B complex including activated B6, B12, and benfotiamine, making it an exceptional vitamin B supplement for neuronal health*
Comprehensive Benefits: Supports cardiovascular and neuronal wellness, with the vitamin B complex playing key roles in methylation processes*
Methylation Support: Provides essential methylation support with Metafolin L-5-MTHF, an effective methylfolate supplement*
Suggested Use: As a dietary supplement, take 1 vitamin B supplement capsule daily, with a meal, or as directed by a health professional
Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

Rank No. #14

Pure Encapsulations B-Complex Liquid | B Vitamins to Support Energy, Nervous System, Memory, Cellular, and Cardiovascular Health* | 4.73 fl. oz.

Nervous System Support: Supports proper functioning of the nervous system and healthy nerve cells.*
Cellular Energy Support: B vitamins play a role in the conversion of carbohydrates into energy and in the metabolism and protein.*
Positive Outlook Support: B vitamins support memory, a positive outlook, other neurological factors, psychological health.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Rank No. #15

BESTVITE Vitamin B12 (Methylcobalamin) 2000mcg (240 Vegetarian Capsules) (Methyl B12) - No Stearates - Vegan - Non GMO - Gluten Free

PROMOTES ENERGY: Vitamin B-12 (Methylcobalamin) is a B complex vitamin that supports energy production by helping the body convert food to glucose. Methylcobalamin is the natural and most active form of vitamin B-12.*
OVERALL VITALITY SUPPORT: Methylcobalamin supports cardiovascular and circulatory health, along with the formation of red blood cells. Decreased B-12 levels may lead to fatigue and tiredness.*
PURE FORMULA: Bestvite Vitamin B-12 (Methylcobalamin) contains no stearates, is non-GMO, gluten-free, vegan, and comes in an additive-free capsule. Each capsule contains 2000mcg of B-12.
BESTVITE GUARANTEE: All Bestvite products are manufactured in the USA according to GMP. The raw materials and all batches of the finished B-12 (Methylcobalamin) product are tested by a 3rd party laboratory for purity and potency. Natural color variation may occur in this product.
NSF GMP CERTIFIED: Bestvite’s facility is NSF/ANSI 455-2 Dietary Supplements Good Manufacturing Practice (GMP) certified. Earning GMP certification from NSF verifies that a manufacturing facility has the proper methods, equipment, facilities, and controls in place to produce dietary supplement products.

Rank No. #16

Why Not Natural Organic Vitamin B12 Liquid - Sublingual Extra Strength 60 x 5000 mcg Methylcobalamin Drops, Vegan, Maximize Absorption and Energy

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.
HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.
HIGHEST QUALITY GUARANTEE: Compare your current B12's Supplement Facts label to ours, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops, and we back it up with an unconditional 60-day money back guarantee!
EASY FOR YOUR BODY TO USE: Features methylcobalamin, the bioactive form of B12 that’s more readily absorbed by the body. Contains no toxic cyanide like other, inferior vitamin supplements!
GRADUATED DROPPER FOR EASY DOSING: The graduated/printed dropper allows you to quickly & easily measure 2500mcg, 5000mcg or another amount of B12 that’s right for you. No more guessing or counting drops! Save time in the morning, and always get an accurate serving size!

Rank No. #17

Why Not Natural Organic Vitamin B12 Liquid - Sublingual Extra Strength 60 x 5000 mcg Methylcobalamin Drops, Vegan, Maximize Absorption and Energy

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.
HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.
HIGHEST QUALITY GUARANTEE: Compare your current B12's Supplement Facts label to ours, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops, and we back it up with an unconditional 60-day money back guarantee!
EASY FOR YOUR BODY TO USE: Features methylcobalamin, the bioactive form of B12 that’s more readily absorbed by the body. Contains no toxic cyanide like other, inferior vitamin supplements!
GRADUATED DROPPER FOR EASY DOSING: The graduated/printed dropper allows you to quickly & easily measure 2500mcg, 5000mcg or another amount of B12 that’s right for you. No more guessing or counting drops! Save time in the morning, and always get an accurate serving size!

Rank No. #18

BioActive Vitamin B12 5000 mcg | Contains 3 BioActive B12 Forms Plus Methylfolate Cofactor - Methyl B12, Adenosyl B12 & Hydroxy B12 | Sublingual Form, Cherry Flavor, Organic, Vegan (60 Servings)

Full-Spectrum Vitamin B12 - Plus Methyl Folate Cofactor: Methylcobalamin, Adenosylcobalamin & Hydroxocobalamin are the 3 most beneficial forms of Vitamin B12, with each having differing functions in the body. They are naturally occurring, biologically active, coenzyme forms of vitamin B12; they are the forms the body needs for cellular utilization. The formula also provides a full serving of L-Methylfolate which is an essential cofactor of B12.
Maximum Strength & Maximum Absorption: Each serving contains a maximum strength dose of 5000 mcg of B12. The liquid sublingual form also bypasses liver processing and is immediately absorbed into the blood stream.
Methylcobalamin B12 - The Essential Form: This is the form needed to raise overall b12 status levels across the body. It is the most prevalent form within the bloodstream and is needed for carrying out the essential functions of vitamin B12.
Adenosylcobalamin B12: The "Cellular Energy" Form: This is the form especially needed by the energy factories of the cells, the mitochondria. Adenosylcobalamin helps mitochondria burn food more efficiently for better energy production and metabolism.
Hydroxocobalamin B12: The "Storage" Form: Shown to be stored and stay in the bloodstream longer and be universally distributed through the body to ensure long lasting B12 levels. Also plays a role in detoxification processes within the body.

Rank No. #19

Pure Encapsulations P5P 50 | Vitamin B6 Supplement to Support Metabolism* | 60 Capsules

Activated Vitamin B6: Predominant form of circulating vitamin B6 to support energy metabolism, cardiovascular and neurological health.*
Metabolic Support: P5P is an important coenzyme in the metabolism of carbohydrates, proteins, and helps release glycogen from the liver and muscles.*
Central Nervous System Support: In addition, P5P helps maintain the balance of sodium and potassium, which regulates body fluids and promotes the healthy functioning of the nervous and musculoskeletal systems.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Rank No. #20

Pure Encapsulations B6 Complex | Vitamin B6 Supplement to Support Cellular, Cardiovascular, Neurological, and Psychological Health* | 120 Capsules

Cognitive Function: B6 Complex supports proper functioning of the nervous system and healthy cognitive function.*
Metabolic Support: Vitamin B6 is important in amino acid metabolism, hemoglobin formation, nerve impulse transmissions, and hormone synthesis*
Neurological Health: Includes L-5-MTHF, adenosylcobalamin, hydroxycobalamin, choline, and inositol to support healthy methylation and cognitive function.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Vitamin B12 Pure Encapsulations?

Do you get stressed out thinking about shopping for a great Vitamin B12 Pure Encapsulations? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Vitamin B12 Pure Encapsulations, which is why we have assembled a comprehensive list of the greatest Vitamin B12 Pure Encapsulations available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Vitamin B12 Pure Encapsulations that you consider buying. Your questions might include the following:

Is it worth buying an Vitamin B12 Pure Encapsulations?
What benefits are there with buying an Vitamin B12 Pure Encapsulations?
What factors deserve consideration when shopping for an effective Vitamin B12 Pure Encapsulations?
Why is it crucial to invest in any Vitamin B12 Pure Encapsulations, much less the best one?
Which Vitamin B12 Pure Encapsulations are good in the current market?
Where can you find information like this about Vitamin B12 Pure Encapsulations?

We’re convinced that you likely have far more questions than just these regarding Vitamin B12 Pure Encapsulations, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Vitamin B12 Pure Encapsulations, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Vitamin B12 Pure Encapsulations. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Vitamin B12 Pure Encapsulations buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Vitamin B12 Pure Encapsulations currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Vitamin B12 Pure Encapsulations has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Vitamin B12 Pure Encapsulations?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Vitamin B12 Pure Encapsulations.
Customer Ratings: Number ratings grade Vitamin B12 Pure Encapsulations objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Vitamin B12 Pure Encapsulations.
Product Quality: You don’t always get what you pay for with an Vitamin B12 Pure Encapsulations, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Vitamin B12 Pure Encapsulations is should be an indication of how long it will work out for you.

We always remember that maintaining Vitamin B12 Pure Encapsulations information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Vitamin B12 Pure Encapsulations is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: Is B12 good to take every day?

A: Some people recommend that if you are a vegan and/or you are pregnant or nursing, take 5 micrograms of vitamin B12 every day from pills. The recommended amount of Vitamin B12 is 2.4 micrograms per day, although to be on the safe side and for optimum nutrition aim for 10 micrograms per day.

Q: Is 2500 MCG of B12 too much?

A: Vitamin B12: In B12 deficiency, doses of 300-10, 000 mcg (microgram) by mouth daily have been used. 2500 mcg per day is not too much. …Read more.

Q: How much B-12 should a senior have?

A: The IOM advises that older adults take supplements and eat fortified foods, which contain a more easily absorbed form of this nutrient, to help meet their daily requirements for B-12. The Linus Pauling Institute recommends that adults over 50 should get 6 to 30 mcg of B-12 daily in fortified cereals or multivitamins.

Q: Is 1000 mcg B12 safe?

A: The recommended daily allowance (RDA) for vitamin B12 is 2.4 micrograms (mcg) for most adults and somewhat higher for pregnant and nursing women. Vitamin B12 has been found to be safe in healthy people taking 1,000 mcg daily over periods of years.