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B-12 500 mcg

21st Century
4.7
(10877 ratings)
Vitamin B12 500 mcg
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Score 72.0

An incredibly affordable 500mcg cyanocobalamin B12 supplement, offering exceptional value for basic B12 needs despite its synthetic form.

Quantity: 110 Tablet(s)Servings size: 1 Tablet(s) (110 servings)
Selected goals:
Other goals:
Energy
Brain Health
Mood Support
Cognitive Support
Metabolism Boost

Score 72.0

An incredibly affordable 500mcg cyanocobalamin B12 supplement, offering exceptional value for basic B12 needs despite its synthetic form.

Dose: 1000mcg, Quantity: 110Dose: 2500mcg, Quantity: 110Dose: 5000mcg, Quantity: 110
Analysis

The 21st Century B-12 500 mcg is remarkably cost-effective, offering a foundational dose of cyanocobalamin at arguably the lowest price per serving in the market. This product is ideal for individuals looking for a simple, budget-friendly way to maintain their B12 levels. It has garnered a good number of reviews, largely reflecting satisfaction with its affordability. As with other cyanocobalamin products, it requires conversion to active forms in the body, which might not be optimal for everyone, especially those with specific metabolic needs or genetic variations. However, for general maintenance and preventing deficiency, its value proposition is hard to beat.

Pros
  • Extremely low price per serving, offering exceptional affordability.
  • Moderate 500 mcg dosage is suitable for daily maintenance.
  • Good number of servings per bottle, providing long-term supply.
Cons
  • Contains cyanocobalamin, a synthetic form of B12 that needs to be converted by the body.
  • Lower dosage compared to many other B12 supplements, which might not be enough for deficiencies.
$4.48($0.04 per serving)
Pure Formulas
$ 4.48
Amazon
$ 8.08
iHerb
$ 5.49
Ingredients
IngredientAmount per serving
Vitamin B12 (Cyanocobalamin) 500 mcg
Calcium (Calcium Carbonate) 100 mg
Gluten Free Adults 18–50
Categories
Vitamin B12 72.0
As a Vitamin B12 supplement, this product excels in terms of affordability, making essential B12 supplementation accessible to a broad audience. While it offers a moderate dose of cyanocobalamin, its unparalleled price per serving makes it a strong choice for basic B12 needs.
Goals
Energy 68.0
B12 is essential for converting food into energy. This 500mcg dose is sufficient for daily energy maintenance, especially for those without severe deficiencies, but the cyanocobalamin form's conversion step might mean it's not the fastest or most direct route to an energy boost for all users.
Metabolism Boost 68.0
B12 is crucial for efficient metabolism of nutrients. The 500mcg dosage helps ensure sufficient B12 for these processes, supporting the body's ability to convert fats, carbs, and proteins into energy, though its synthetic form requires an extra step for full metabolic integration.
Mood Support 67.0
B12 contributes to the synthesis of compounds affecting mood. This product can help support mood stability through adequate B12 intake, yet the synthetic cyanocobalamin form may not provide the same direct impact on complex mood-regulating biochemical pathways as methylcobalamin.
80 Value

B-12 1000 mcg

Nature's Bounty
4.7
(65780 ratings)
This alternative offers double the dosage (1000mcg) for the exact same incredibly low price per serving (4 cents) as the original, making it an exceptionally better value for those seeking more potency without increased cost within the cyanocobalamin category.
83 Value

B12 500 mcg

Life Extension
4.8
(10083 ratings)
For only a slightly higher price per serving (6 cents), this alternative provides the same 500mcg dosage but in the superior methylcobalamin form, offering significantly enhanced bioavailability and efficacy, thus representing a much better value for the quality received.
90 Value

Fully Active B12 1500 mcg

Doctor's Best
4.7
(30986 ratings)
Although its price per serving is higher than the original (7 cents), this alternative offers a substantially higher dose (1500mcg) of the active methylcobalamin form, delivering superior B12 support and bioavailability, making it a strong long-term value investment for optimal health.
83 Performance

B12 500 mcg

Life Extension
4.8
(10083 ratings)
This alternative provides the same 500mcg dosage but uses methylcobalamin, the active and more bioavailable form of B12, offering superior absorption and direct utilization by the body compared to the original's cyanocobalamin.
90 Performance

Fully Active B12 1500 mcg

Doctor's Best
4.7
(30986 ratings)
This product is significantly better as it delivers a higher 1500mcg dose of methylcobalamin, the most biologically active form of B12, which is highly recommended by nutritionists for its direct efficacy in supporting neurological and metabolic functions.
88 Performance

Methyl B-12 1000 mcg Lemon Flavor

Jarrow Formulas
4.7
(11077 ratings)
Jarrow Formulas' alternative offers a higher dosage (1000mcg) in the superior methylcobalamin form. This means it is more readily used by the body for various vital processes, making it a more effective choice for many users.
80 Budget

B-12 1000 mcg

Nature's Bounty
4.7
(65780 ratings)
While having the same price per serving (4 cents), this alternative offers double the dosage (1000mcg) of the original, making it effectively cheaper for the amount of active ingredient received and providing more potency per dollar.
70 Budget

B12 500 mcg

Sundown
4.7
(775 ratings)
This alternative offers the same 500mcg dosage and matches the incredibly low price per serving (4 cents) of the original, providing an equivalent budget-friendly option from a different reputable brand.
65 Budget

Vitamin B-12 Lozenges 1000 mcg

Swanson Premium Brand
4.7
(817 ratings)
Although slightly higher in price per serving (5 cents), this lozenge offers double the dose (1000mcg) and a different delivery method which some find more effective for absorption, representing a competitive alternative for those seeking very low-cost options.
80 Value

B-12 1000 mcg

Nature's Bounty
4.7
(65780 ratings)
This alternative offers double the dosage (1000mcg) for the exact same incredibly low price per serving (4 cents) as the original, making it an exceptionally better value for those seeking more potency without increased cost within the cyanocobalamin category.
83 Value

B12 500 mcg

Life Extension
4.8
(10083 ratings)
For only a slightly higher price per serving (6 cents), this alternative provides the same 500mcg dosage but in the superior methylcobalamin form, offering significantly enhanced bioavailability and efficacy, thus representing a much better value for the quality received.
90 Value

Fully Active B12 1500 mcg

Doctor's Best
4.7
(30986 ratings)
Although its price per serving is higher than the original (7 cents), this alternative offers a substantially higher dose (1500mcg) of the active methylcobalamin form, delivering superior B12 support and bioavailability, making it a strong long-term value investment for optimal health.
83 Performance

B12 500 mcg

Life Extension
4.8
(10083 ratings)
This alternative provides the same 500mcg dosage but uses methylcobalamin, the active and more bioavailable form of B12, offering superior absorption and direct utilization by the body compared to the original's cyanocobalamin.
90 Performance

Fully Active B12 1500 mcg

Doctor's Best
4.7
(30986 ratings)
This product is significantly better as it delivers a higher 1500mcg dose of methylcobalamin, the most biologically active form of B12, which is highly recommended by nutritionists for its direct efficacy in supporting neurological and metabolic functions.
88 Performance

Methyl B-12 1000 mcg Lemon Flavor

Jarrow Formulas
4.7
(11077 ratings)
Jarrow Formulas' alternative offers a higher dosage (1000mcg) in the superior methylcobalamin form. This means it is more readily used by the body for various vital processes, making it a more effective choice for many users.