BioStacks
Solgar

Vitamin B12, 500 mcg

1 Tablet · 100 servings · $0.08/serving

iHerbAmazon

Best for

Energy

Ingredients (2)

Vitamin B12

100%

Dose

500 mcg

Target

250–5000 mcg

Form

Budget

Calcium

130 mg

Trace amount — not scored

Other Ingredients (6)

MannitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Dicalcium PhosphateBinder

Calcium and phosphorus compound used as binder

Microcrystalline CelluloseBinder

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

Microcrystalline CelluloseBinder

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

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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

As a dietary supplement for adults, take one (1) tablet daily, preferably with a meal or as directed by a healthcare practitioner.

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

Price Check

$8.49

$10$20$50

Cheaper than 93% of 250 vitamin B12 supplements

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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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