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Product Review

Jarrow Formulas Methylcobalamin B12 1000mcg

Jarrow Formulas · Tablet · 1 mg

Price/day

€0.16

Dose

1 mg

Servings/pack

100

Pack price

€16.00

Transparency Index

8.3/10

Recommended Solid active B12 with a bioavailability-focused formulation and very good price.

Rating breakdown

Evidence for ingredient 8.0/10

Vitamin B12 is essential for methylation, nerve health, and homocysteine management; numerous RCTs show benefit in deficiency and neuropathy.

Value for money 9.0/10

€0.16 per day for 1 mg active B12 is excellent, especially compared to pharmacy products.

Product quality 8.0/10

Jarrow uses quality-controlled manufacturing; the tablet dissolves quickly under the tongue without artificial colorants.

Label honesty 9.0/10

Openly declares methylcobalamin, excipients, and allergen-free status; transparent lot numbers.

Third-party testing 7.0/10

No explicit certification, but Jarrow publishes internal analyses and meets cGMP standards.

Product Description

1000 mcg methylcobalamin in a sublingual lozenge that dissolves quickly, supporting absorption through the oral mucosa. Ideal for those with low animal product intake or who want to lower homocysteine.

What We Like

  • Active form: Methylcobalamin bypasses potential conversion issues with cyanocobalamin
  • Sublingual: Fast absorption, unaffected by digestive problems
  • Clean formula: Free of gluten, soy, and artificial colorants
  • Value: Large pack lasts over three months

What We’re Missing

  • No lab verification: No external certification per batch
  • Some sweetener: Contains natural flavors that some may prefer to avoid

Usage Recommendation

Place 1 tablet under the tongue daily and let it dissolve fully. Best taken in the morning on an empty stomach or between meals so the mucosa is clear.

Ingredient dossier

Vitamin B12 is essential for nerve function, DNA synthesis, and homocysteine metabolism. Deficiency is common in vegans, older adults, and metformin users and causes irreversible nerve damage.

Read full dossier: Vitamin B12 (Cobalamin) →