Life Extension

Life Extension Vitamin B12 Methylcobalamin 500mcg - Vitamin B12 Supplement for General Energy and Brain Health - Sugar

1113+ bought in the past month

$5.90

About this item

  • B12 for brain health – B12 is a water-soluble vitamin that plays a vital role in nerve and brain health and cognitive function. Our B12 formula delivers the active form (methylcobalamin).
  • Methylcobalamin for a healthy heart – Our B12 supplement is formulated to help promote cardiovascular health by supporting homocysteine levels already in normal range.
  • Quick-dissolving B12 lozenges – Getting your vitamin B12 has never been easier: our vitamin B12 supplement delivers 500 mcg of methylcobalamin in every gluten-free, vegetarian lozenge.
  • Ingredients matter – We use the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every one.
  • Live your healthiest life – We believe the answers to a healthier life are in reach, and that scientific research is the key to getting there. That’s why so many of our formulas feature specific ingredients and amounts based on scientific studies.
$5.90

In Stock

DeliveryEstimated 3–5 business days · Final delivery speed and cost are confirmed at checkout
Easy Returns · 30-day window
This order is a gift

In Stock

Secure Checkout
Free Returns
30-Day Guarantee
Secure checkoutAll transactions are SSL-encrypted. Your payment info is never stored.
Free returnsReturn or replace within 30 days
Fast deliveryOrders ship within 1 business day and arrive in 4–8 days.
Buyer protectionIf your order arrives damaged or doesn't show up, we'll make it right.
24/7 supportOur team is here to help. Reach us anytime by email or chat.
Ships fromOur Warehouse
Returns
Easy Returns30-day return window
PaymentsSecure transaction
Currently unavailable
Easy Returns · 30-day window

Product details

BrandLife Extension
Item FormLozenges
Primary Supplement TypeVitamin B12
Diet TypeVegetarian
FlavorNatural strawberry flavor

Technical specifications

is_discontinued_by_manufacturerNo
product_dimensions1.71 x 1.71 x 2.99 inches; 1.44 ounces
item_model_number00361
date_first_availableJanuary 8, 2004
manufacturerLife Extension
best_sellers_rank#9,703 in Health & Household ( See Top 100 in Health & Household ) #63 in Vitamin B12 Supplements #1,045 in Sales & Deals

From the brand

Product detailProduct detailProduct detailProduct detail
Product detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

4.71,909 ratings

Customers say

Customers find this vitamin B12 supplement effective, noting it provides a boost in energy and focus, while being easy to swallow or chew and offering great value.

★★★★★

First

LucyDecember 28, 2025

This is my first time purchasing Life Extension Vitamin B12 (Methylcobalamin). I started taking it because I have anemia and wanted a gentle, high-quality B12 supplement. The lozenge is easy to take and has a mild taste. So far, I haven’t experienced any side effects, and it feels well tolerated. I chose this brand for its reputation and clean ingredients. I’m satisfied with my first purchase and will continue using it. Read more

★★★★★

Excellent quality and noticeable results!

MARIA JOSE VARGASOctober 28, 2025

I’ve been taking this B12 supplement daily and I feel a real boost in my energy and focus. It’s easy to take, gentle on the stomach, and I trust the Life Extension brand for its quality. Highly recommend if you’re looking for a reliable methylcobalamin supplement! Read more

★★★★★

No more B12 deficiency!

Arigirl89October 3, 2025

After having B12 deficiency, I searched for a quality B12 supplement. Now, you may or may not know, Methylcobalamin is obviously a better choice than cyanocobalamin as its absorbed better. That is why I chose the Life Extension brand. The quality is superb and fast dissolving option is what I like. I feel like my nails and hair are also in much nicer shape now. Never settle for just cyanocobalamin. Get this B12 from Life Extension if you want to absorb your B12 easily. Such a great value for a premium product! Read more

★★★★★

Vitamin B12

GinAugust 3, 2025

Excellent B12 vitamin. Great taste and quickly dissolves after you chew it. It'd purchase it again. Read more

★★★★☆

perfect

Kurtis J.December 4, 2025

taste good and easy to take everyday Read more

★★★★★

Effective, Easy to swallow, good quality

Mary BurchamDecember 16, 2025

Working as described, not having any adverse reactions. Easy to swallow, good quality. Read more

★★★★★

Great value

JonAnn JohnstonDecember 14, 2025

Great value and product- easy on the stomach Read more

★★★★★

Boosted My Energy and Focus Naturally!

Ashlie HayeJune 24, 2025

I started taking this Vitamin B12 because I was feeling sluggish and mentally foggy, and wow—what a difference! Within a week, I noticed more energy throughout the day and better concentration, especially during work and study sessions. No jitters, no crash—just a clean, steady boost. I also love that it’s easy on my stomach and dissolves quickly (if it’s the sublingual kind). The quality feels top-notch, and I’ve had zero side effects. If you’re feeling drained or just want extra support for your nervous system and mood, this B12 is a game-changer! Read more

Recently Viewed