US
Natrol

Natrol Vitamin B12 5000 mcg Fast Dissolve B12 Supplement

  • Vitamin B12
  • Tablet
  • Vitamin B12
  • 100
4.7/ 5 on Amazon40,300Amazon ratings5,000+bought last month4.7ProductDome score
  • More reviewed than 98%
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a swallow-free B12 tablet at a high 5000 mcg dose

A straightforward high-dose B12 fast-dissolve tablet for people who prefer not to swallow pills whole. Reasonable if the strawberry flavor and 5000 mcg dose match what you're looking for.

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ProductDome scorecard

How it ranks among the 130 vitamin b12 we track

4.7/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.7★4.7

4.7★ across 40,300 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 2,250 ratings5.0

40,300 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score5.0

5,000+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 130 vitamin b12 we track - how the scorecard works · full vitamin b12 data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Natrol's fast-dissolve B12 tablet delivers 5000 mcg of vitamin B12 in a strawberry-flavored tablet meant to dissolve in the mouth rather than be swallowed whole. Vegetarian and allergen-free, in a 100-count bottle for daily use.

B12 is a nutrient some vegetarians and older adults absorb less efficiently from food, and fast-dissolve tablets are a common workaround for people who dislike swallowing pills. This one is strawberry flavored rather than unflavored, which matters if you're sensitive to added flavoring in a daily supplement. At 5000 mcg per tablet it sits well above the standard daily reference intake, a dose level marketed toward energy support rather than baseline maintenance.

  • 5000 mcg vitamin B12 per tablet
  • Fast-dissolve format, no water required
  • Strawberry flavored
  • 100 tablets per bottle

Who it's for

Fits vegetarians and anyone who wants a high-dose B12 option that doesn't require swallowing a capsule with water. Less suited to anyone who wants an unflavored tablet or a dose closer to standard daily B12 levels.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • No water needed, dissolves in the mouth
  • High 5000 mcg B12 dose per tablet
What to check first
  • Strawberry flavor only, no unflavored option listed
  • No review data available for this listing

Performance notes

Fast-dissolve tablets are designed to break down on or under the tongue, releasing the B12 for absorption without needing to be swallowed with water. This delivery method is common for B vitamins because it suits people who have difficulty with capsules, though how quickly any individual tablet dissolves depends on saliva and technique.

Specifications

BrandNatrol
Model6672
FormTablet
Supplement TypeVitamin B12
Count100
FlavorStrawberry
BenefitsEnergy Management
DietVegetarian
AllergensAllergen-Free

How it compares

This product against the closest alternatives we track in vitamin b12.

ProductAmazon ratingRatingsProductDome score
Natrol Vitamin B12 5000 mcg Fast Dissolve B12 SupplementThis product4.7 / 540,3004.7 / 5
Nature's Bounty Vitamin B12 2500 mcgNature’s4.8 / 526,8004.7 / 5
Nature Made Vitamin B12 1000 mcgNATURE4.8 / 521,4004.7 / 5
Solgar Vitamin B12 1000 mcgSolgar4.8 / 511,5004.7 / 5
vitafusion Extra Strength Vitamin B12 GummiesVitafusion4.7 / 532,2994.6 / 5
Frequently asked

Questions about the Natrol 6672

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does the Natrol B12 6672 tablet need to be swallowed with water?

No, it's a fast-dissolve tablet designed to dissolve in the mouth rather than be swallowed whole.

Is Natrol's B12 5000 mcg tablet suitable for vegetarians?

Yes, it's labeled vegetarian.

What flavor is the Natrol Vitamin B12 fast-dissolve tablet?

It's strawberry flavored.