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Nutrition Geeks

Vitamin B12 Dual Power

1 Tablet · 365 servings

iHerbAmazon

Best for

Energy

Ingredients (1)

Vitamin B12

100%

Dose

1000 mcg

Target

250–5000 mcg

Form

Premium

Other Ingredients (2)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Best taken in the morning

Many people prefer it earlier in the day; there's no evidence timing changes anything. Absorption is fine with or without food.

With or without food

On the label

Take 1 tablet daily with a glass of water.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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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.

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