BioStacks
GNC

Glucosamine Sulfate 500 mg

1 Capsule × 3/day · 90 servings · $0.22/serving

iHerbAmazon

Best for

Bone & Joint

Ingredients (1)

D-Glucosamine Sulfate

100%

Dose/day

1500 mg

Target

1000–1500 mg

Form

Standard

Other Ingredients (3)

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

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

Take it anytime

Take with food to avoid stomach upset. Benefits, where they exist, take weeks of daily use to appear.

With food
Split into 3 doses across the day

On the label

As a dietary supplement, take one capsule three times daily.

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

Price Check

$19.99

$10$20$50

Near the median of 66 glucosamine sulfate 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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