BioStacks
Ingredients (4)
Vitamin B12
100%Dose
1000 mcg
Target
250–5000 mcg
Form
Premium
Vitamin B-6
12%Dose
3 mg
Target
25–100 mg
Form
Premium
Folic Acid
100%Dose
400 mcg
Target
400–800 mcg
Form
Budget
Folate
100%Dose
680 mcg DFE
Target
400–800 mcg
Form
Not listed
Other Ingredients (11)
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.
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
How to Take It
Best taken in the morning
The Vitamin B12 in it is what pulls this toward the morning. Vitamin B6 is easier on the stomach taken with food.
With food
On the label
Dissolve one Activelt™ micro tablet on or under the tongue daily. Use only as directed. Store in a cool, dry place.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.49
Near the median of 138 vitamin B9 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.