Nature's Bounty B-12 5000 mcg Sublingual Liquid Energy Health 2 oz
- Vitamin B12
- Liquid
- Vitamin-b
- 4 fl oz
- Better rated than 87%
A high dose sublingual liquid B-12 in a two bottle pack, aimed at buyers who specifically want liquid over tablet form.
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How it ranks among the 130 vitamin b12 we track
4.8★ across 369 Amazon ratings, Bayesian-smoothed toward the category average.
369 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
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
Nature's Bounty B-12 comes as a 5000 mcg sublingual liquid rather than a tablet, packaged in two 2 ounce bottles, and is certified kosher.
Sublingual liquid B-12 is absorbed under the tongue rather than swallowed, which some buyers prefer over tablets, though the listing does not include absorption comparison data. At 5000 mcg per dose, it sits at a high end vitamin B-12 level compared to typical multivitamin amounts.
- 5000 mcg B-12 per sublingual dose
- Liquid form, 2 oz bottles
- Pack of 2 bottles
- Kosher certified
Who it's for
Suits people who prefer liquid sublingual dosing over swallowing tablets and want a two bottle supply. Less relevant to anyone who prefers capsule or tablet B-12 or needs a lower dose.
Strengths and trade-offs
Drawn from this product's published specifications.
- Sublingual liquid format, no swallowing capsules
- High 5000 mcg B-12 dose per serving
- Two bottle pack for extended supply
- Unflavored liquid may not suit everyone's taste preference
- No comparison data on absorption versus tablet form
Performance notes
Delivered as an unflavored sublingual liquid at 5000 mcg per dose, taken under the tongue rather than swallowed, with each pack including two 2 ounce bottles.
Specifications
| Brand | Nature's |
|---|---|
| Model | PPAX1298740 |
| Form | Liquid |
| Supplement Type | Vitamin-b |
| Count | 4 fl oz |
| Flavor | Unflavored |
| Benefits | Energy Health |
| Diet | Kosher |
Other Nature's vitamin b12
How it compares
This product against the closest alternatives we track in vitamin b12.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nature's Bounty B-12 5000 mcg Sublingual Liquid Energy Health 2 ozThis product | 4.8 / 5 | 369 | 4.3 / 5 |
| Nature's Bounty Vitamin B12 2500 mcgNature’s | 4.8 / 5 | 26,800 | 4.7 / 5 |
| Nature Made Vitamin B12 1000 mcgNATURE | 4.8 / 5 | 21,400 | 4.7 / 5 |
| Solgar Vitamin B12 1000 mcgSolgar | 4.8 / 5 | 11,500 | 4.7 / 5 |
| Natrol Vitamin B12 5000 mcg Fast Dissolve B12 SupplementNatrol | 4.7 / 5 | 40,300 | 4.6 / 5 |
Similar vitamin b12 from other brands
Questions about the Nature's PPAX1298740
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How is Nature's Bounty B-12 taken?
It is a sublingual liquid, held under the tongue rather than swallowed as a tablet.
What is the B-12 dose per serving?
5000 mcg per dose.
How many bottles come in the pack?
Two 2 ounce bottles.