Skip to main content
Supplement ScienceSupplementScience
Jarrow Formulas Methyl B-12 1000mcg — view 1 of 5
Jarrow Formulas

Jarrow Formulas Methyl Vitamin B-12 1000 mcg, 100 Chewable Tablets, Lemon Flavored- Bioactive B12 Vitamin - Supports Cellular Energy Production, Brain Health & Metabolism - 100 Servings

4.7· 5,220 Amazon reviews
$11.92$11.32with Subscribe & Save

$0.12/serving

Buy Now on Amazon

Price verified Apr 22, 2026

Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use

Our verdict

1,000mcg methylcobalamin per lozenge of Methylcobalamin per sublingual lozenge from Jarrow Formulas. Best for overall best methylcobalamin sublingual.

Third-Party TestedVeganGluten-freeNon-GMOSublingual Lozenge

Why we recommend this

Delivers the bioactive methylcobalamin form in a sublingual lozenge that dissolves under the tongue for direct absorption into the bloodstream. At $0.07/serving, it combines premium B12 form with excellent value. Over 30,000 Amazon reviews with a 4.7-star average. Pleasant lemon flavor.

Check for interactions

Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.

Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.

What to watch out for

Contains mannitol and natural flavor. Sublingual delivery requires holding under tongue for 30-60 seconds.

Dose & form

Serving
1,000mcg methylcobalamin per lozenge
Form
Sublingual Lozenge
Clinical range
500-2,000 mcg daily (methylcobalamin)
Dose adequacy
Therapeutic
Supply
100 servings · $0.12/serving
UPC
699037292177

Who it's best for

Overall best methylcobalamin sublingual

Who should skip it

Those who want a simple swallowable pill without sweeteners

Pros

  • Bioactive methylcobalamin form
  • Sublingual delivery bypasses GI absorption
  • Excellent value ($0.07/serving)
  • Pleasant lemon flavor

Cons

  • Contains mannitol sweetener
  • Must dissolve under tongue (not swallowed)
  • Methylcobalamin is less stable than cyanocobalamin

What customers say

4.7★ across 5,220 Amazon reviews. The most common questions from shoppers: jarrow formulas methyl b-12 1000mcg safe to take daily, take too much jarrow formulas methyl b-12 1000mcg, and jarrow formulas methyl b-12 1000mcg safe during pregnancy. Full answers in the FAQ below.

Frequently Asked Questions

What is the clinical dose for Methylcobalamin?

Clinical trials typically use 500-2,000 mcg daily (methylcobalamin). Jarrow Formulas Methyl B-12 1000mcg delivers 1,000mcg methylcobalamin per lozenge, which we classify as Therapeutic relative to that range.

How does Jarrow Formulas Methyl B-12 1000mcg compare to similar Sublingual Lozenge?

See the "Also consider" section below for two alternatives. Choose based on form preference (Sublingual Lozenge vs alternatives), dose adequacy, and third-party testing.

Is Jarrow Formulas Methyl B-12 1000mcg third-party tested?

Yes — Third-Party Tested. Third-party testing verifies ingredient identity and label accuracy.

Does this work with Amazon Subscribe & Save?

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Is Jarrow Formulas Methyl B-12 1000mcg safe to take daily?

Yes, Jarrow Formulas Methyl B-12 1000mcg is designed for daily use at the recommended serving size. Jarrow Formulas follows Good Manufacturing Practices (GMP), and the product has been well-tolerated in thousands of customer reviews.

Can you take too much Jarrow Formulas Methyl B-12 1000mcg?

Vitamin B12 has no established tolerable upper limit because excess is excreted in urine. However, very high doses (5,000mcg+) may cause acne breakouts in some individuals. At 1,000mcg methylcobalamin per lozenge, this product is safe for daily use.

Is Jarrow Formulas Methyl B-12 1000mcg safe during pregnancy?

Vitamin B12 is important during pregnancy for fetal neural development. The recommended intake for pregnant women is 2.6mcg daily. B12 supplementation is generally safe and especially recommended for pregnant women following plant-based diets.

Does Jarrow Formulas Methyl B-12 1000mcg interact with medications?

B12 absorption can be reduced by metformin, proton pump inhibitors (PPIs like omeprazole), and H2 blockers. If you take these medications, sublingual delivery helps bypass GI absorption issues.

Are there side effects from Jarrow Formulas Methyl B-12 1000mcg?

Side effects from vitamin B12 supplements are very rare. Some people may experience mild headache, nausea, or tingling when first starting supplementation. These effects typically resolve within a few days of continued use.

How many servings are in one bottle of Jarrow Formulas Methyl B-12 1000mcg?

Each bottle contains 100 servings. At one serving per day, this provides approximately 3 months of daily supplementation.

Also consider

Part of this guide

Best Vitamin B12 Supplements

As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer