BioStacks
Spring Valley

Ultra Strength Vitamin C

2 Capsules · 60 servings · $0.14/serving

iHerbAmazon

Best for

Immune

Ingredients (1)

Vitamin C

100%

Dose

2000 mg

Target

250–2000 mg

Form

Not listed

Other Ingredients (4)

Bamboo ExtractFiller

Plant-derived silica source used as a natural anti-caking agent and carrier (silica content ~70%)

Magnesium StearateLubricant

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

HypromelloseCapsule

Plant-derived capsule material from cellulose

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

How to Take It

Take it anytime

Water-soluble — timing doesn't matter. Split doses above ~500 mg if you want to absorb more of it.

With or without food

On the label

As a dietary supplement, take 2 capsules 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

$8.36

$10$20$50

Cheaper than 96% of 502 vitamin C 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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