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Doctor’s Best Vitamin B12 Methylcobalamin 1500mcg
Product analysis · Doctor’s Best

Doctor’s Best Vitamin B12 Methylcobalamin 1500mcg

Methylcobalamin · Capsule

Why this score?
Testing & evidence
0/25
Ingredient/formulation quality
17/20
Value
13/20
Dose transparency
11/15
Manufacturer transparency
6/10
Label/ingredient transparency
9/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 0/25
$15.99Amazon
CapsuleFormat
1,500 mcgDaily dose
180 capsulesPack size
$0.09Price/day
Buy Now on Amazon Compare alternatives

We may earn a commission from qualifying purchases. This never affects our scores.

The score, explained

Our scoring methodology
Testing & evidence0/100
0 points contributed · weighting 25
Ingredient/formulation quality85/100
17 points contributed · weighting 20
Value63/100
13 points contributed · weighting 20
Dose transparency75/100
11 points contributed · weighting 15
Manufacturer transparency55/100
6 points contributed · weighting 10
Label/ingredient transparency89/100
9 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

No public evidence located

Evidence status
No public evidence located
Manufacturer statement
Not recorded
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:11:48

Dose & value

B12 form
MethylcobalaminCapsule
Serving size
1 capsule daily with a meal
Pack size
180 capsules
Servings per day
1
Price per day
$0.09
Price last checked
2026-09-15 12:56:01

Daily cost uses the recorded label serving; a larger dose earns no value advantage. The label serving is not a recommendation for your personal intake.

Vitamin B12 formulation details

B12 comparison type
Methylcobalamin
Disclosed B12 forms (separate with +)
Methylcobalamin
B12 / serving (micrograms)
1500
B12 / day (micrograms)
1500
B12 / serving printed in mg, if stated
Not disclosed
Individual B12 form amounts, if disclosed
Not disclosed
Pack size as labelled
180 capsules
Recommended serving / frequency
1 capsule daily with a meal
Comparison basis for a serving range
Not disclosed
Tablets, capsules, sprays, gummies or ml / serving
1
Sublingual use claimed (yes / no / unknown)
unknown
Liquid / spray measuring instructions
Not disclosed
Folate included (yes / no / unknown)
no
Folate form, if disclosed
Not disclosed
Folate / serving (micrograms), if disclosed
Not disclosed
Other B vitamins / serving
None separately listed
Additional active ingredients
None separately listed
Sugars / sweeteners
None listed
Flavour
Unflavored
Allergen statement
Amazon allergen information: Gluten Free, Soy Free; Gluten Free, Non-GMO, Vegetarian, vegan, Soy Free
Vegan / vegetarian label status
Vegan claim on listing

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Ingredients & suitability

Vegan

Excipients
Not disclosed — check the current label
Allergens
Amazon allergen information: Gluten Free, Soy Free; Gluten Free, Non-GMO, Vegetarian, vegan, Soy Free
Carrier / source
Not disclosed — check the current label
Other active ingredients
None separately listed

Manufacturer transparency

Brand
Doctor’s Best
Legal company
Doctor's Best, Inc.
Manufacturing model
Third-party contract manufacturers
Manufacturing location
United States

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • Daily cost can be calculated from the recorded serving.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

THORNE Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
17/20
Value
2/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
8/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Thorne product page states: "It is third-party tested for purity and quality" and NSF Certified for Sport registry confirms "Thorne® Vitamin B12" with product form Capsule, package size 60, serving size 1 capsule, and lot numbers 416646 / 416645 / 416898.
Laboratory
Not recorded
Certification body
NSF Certified for Sport
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 07:06:00
$0.40per day
$24.00per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Igennus Sublingual Vitamin B12 Complex 1000mcg, 180 Tablets – Methylcobalamin, Adenosylcobalamin, Hydroxocobalamin

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
10/20
Value
11/20
Dose transparency
14/15
Manufacturer transparency
7/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Nutrasource registry page states: "IGEN™ Certified" and "This product has PASSED because it does not contain detectable amounts of genetically engineered GMO proteins and genes included in the IGEN™ testing panel."
Laboratory
Not recorded
Certification body
Nutrasource IGEN™
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-13 20:13:02
$0.11per day
$19.95per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Life Extension Vitamin B12 Methylcobalamin 500mcg, Vegetarian Lozenges, Once Daily, 100 Count

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
19/20
Value
16/20
Dose transparency
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
8/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Amazon listing says: "QUALITY TESTED: Vitamin B12 lozenges are tested in independent laboratories for quality and purity to ensure product standards." I could not independently verify a product-specific third-party lab report or certifying-body registry entry for this exact product.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 07:04:01
$0.07per day
$6.56per pack
View AnalysisBuy Nowon Amazon