BioStacks
Swanson

Buffered Vitamin C

1 Tablet · 250 servings

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What it does

A combination of 2 label ingredients.

Calcium

Mixed formsGrade —

Supports the maintenance of normal bones and teeth, muscle function and nerve signaling.

Vitamin C

Mixed formsGrade —

Supports normal collagen production and immune function, and helps the body absorb iron from plant foods.

Immune
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Ingredients (2)

IngredientDoseTarget/referenceForm

Calcium

56 mg

Trace amount — not scored

Other ingredients

Magnesium StearateLubricant

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

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

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

PolyvinylpyrrolidoneBinder

A synthetic polymer used as a tablet binder and film former

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Riboflavin-5-PhosphateColorant

Active coenzyme form of vitamin B2; used as yellow colorant and for B2 fortification in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Lab testing

How to take it

With or without food

On the label

As a dietary supplement, take one tablet daily or as directed by a healthcare practitioner.

Price check

$13.29

$0.05 / serving

$10$20$50

Cheaper than 73% of 375 vitamin C supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.

Not medical advice. Consult your healthcare professional.

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