B-12 5000 mcg
21st Century
B-12 5000 mcg
4.7
★ ★ ★ ★ ★
(2421 ratings)
Vitamin B12 5000 mcg
Score 75
A high-dose (5000 mcg) cyanocobalamin B12 tablet that is very affordable, providing good general support despite using the synthetic B12 form.
Quantity: 110 Tablet(s) • (110 servings)
Goals: flag Cognitive Support flag Mood Support flag Energy flag Bone Health flag Brain Health
leaderboard Score 75
A high-dose (5000 mcg) cyanocobalamin B12 tablet that is very affordable, providing good general support despite using the synthetic B12 form.
insights Analysis
This 21st Century product offers a very high dose of Vitamin B12 (5000 mcg) at an exceptionally low price, making it a budget-friendly option for those seeking a potent B12 supplement. While the high dosage is certainly advantageous for the stated goals of energy, brain health, and mood support, it uses cyanocobalamin, the synthetic form. Although many people can convert cyanocobalamin effectively, it is not the most bioavailable form and may be less efficient for individuals with methylation issues. Its popularity suggests widespread acceptance despite the form.
- Very high dosage (5000 mcg) provides strong B12 support.
- Extremely affordable price per serving for such a high dose.
- High review count indicates widespread acceptance and effectiveness for many users.
- Uses cyanocobalamin, a synthetic form that requires conversion in the body.
- Tablet form offers standard absorption, not enhanced.
- Individuals with impaired methylation pathways might find methylcobalamin to be a more effective form for optimal utilization.
$8.47($0.07 per serving)
 Pure Formulas | $ 8.47 | |
 iHerb | $ 12.49 | |
 Amazon | $ 12.49 |
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin B12 | 5000 mcg |
Categories
Vitamin B12 75
As a Vitamin B12 product, it offers a very high dose at an attractive price, making it a good option for general supplementation, though the use of cyanocobalamin positions it below products with active B12 forms.
Goals
The high dose effectively supports metabolic pathways where B12 is needed for energy production, even if it's cyanocobalamin, as the body can still convert a significant amount for metabolic processes.
The 5000 mcg dosage is very strong for energy support. However, being cyanocobalamin means it might take longer for the body to convert and utilize compared to methylcobalamin, potentially offering a slightly less immediate or potent 'boost' for some.
The high dose provides ample B12 for brain processes, but the conversion step required for cyanocobalamin means it's not as directly available as methylcobalamin for optimal neurological support and function.
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Fully Active B12 1500 mcg
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B-12 500 mcg
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★★★★★
(10877 ratings)
A highly affordable Cyanocobalamin B12 option, excellent for budget-conscious consumers, though at a lower dose.
95 Value
Fully Active B12 1500 mcg
Doctor's Best
4.7
★★★★★
(30986 ratings)
Delivers the superior Methylcobalamin form at the same price per serving as the original, making it an exceptional value for active B12.
93 Value
Methyl B-12 1000 mcg Lemon Flavor
Jarrow Formulas
4.7
★★★★★
(11077 ratings)
Provides Methylcobalamin, the active form, at a very good price per serving, offering superior quality B12 for slightly more cost.
85 Value
Vitamin B-12 5000 mcg Fast Dissolve Strawberry Natural Flavor
Natrol
4.7
★★★★★
(44207 ratings)
Offers the same very high dose of Cyanocobalamin in a fast-dissolve form at a slightly higher price per serving, but with enhanced absorption benefits compared to a standard tablet.
95 Performance
Fully Active B12 1500 mcg
Doctor's Best
4.7
★★★★★
(30986 ratings)
Features Methylcobalamin, the active and highly bioavailable form of B12, offering superior absorption and efficacy, even at a lower nominal dose than the original's Cyanocobalamin.
98 Performance
BioActive Folate & Vitamin B12
Life Extension
4.8
★★★★★
(10004 ratings)
Combines Methylcobalamin with active Folate, providing synergistic benefits for energy and cellular health, representing a more advanced B vitamin option.
90 Performance
Chewable Fully Active B12 Chocolate Mint Flavor 1000 mcg
Doctor's Best
4.8
★★★★★
(1635 ratings)
Offers Methylcobalamin in a chewable format for enhanced sublingual absorption, providing a higher quality and potentially more effective B12.