At 1,000 mcg per lozenge, **Methylcobalamin** lands right in the middle of the clinically studied range (250–5,000 mcg) for supporting energy, nerve function, and red blood cell production. The directions suggest 1–2 lozenges daily, giving you up to 2,000 mcg if you take two — plenty to maintain healthy B12 levels for most people.

The lozenge format is a practical choice here. You dissolve it in your mouth, which allows B12 to absorb through the oral mucosa — bypassing the gut, where absorption depends on intrinsic factor that naturally declines with age. This makes it especially relevant if you're over 50 or have digestive concerns. The form itself is the bioactive version your body can use directly, with no conversion step required.

If you're vegan or correcting a known deficiency, you may want to start at 2 lozenges daily. For maintenance, one lozenge provides a solid dose — though it sits at the lower end of what's typically supplemented.

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BioStacks

NOW

Methyl B-12 1,000 mcg

Lozenge · 100 servings · $0.08/serving

80 / 100Excellent

Supports

Score Breakdown

Formulation
92
Safety
87
Final score
80/100

Ingredients (1)

Vitamin B121000 mcg

Within effective range · Premium form

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

Vitamin B121 mg

41667%

Other Ingredients

Fillers, coatings, and additives

6Safe1Caution

SorbitolSweetener

Caution

Magnesium StearateLubricant

Safe

Citric AcidAcidulant

Safe

Microcrystalline CelluloseBinder

Safe

Microcrystalline CelluloseBinder

Safe

Natural FlavorsFlavor

Safe

Stearic AcidLubricant

Safe

Fructose

Unknown

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.