BioStacks
Best for
Ingredients (1)
Vitamin B12
100%Dose
500 mcg
Target
250–5000 mcg
Form
Budget
Other Ingredients (3)
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.
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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
Directions: For adults, take one (1) quick dissolve tablet up to five times daily. Place quick dissolve tablet under tongue for 30 seconds before swallowing.
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. studied 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.