BioStacks
Xendurance

Joint-4

3 Capsules · 90 servings · $0.44/serving

iHerbAmazon

Best for

Bone & Joint

Ingredients (4)

Glucosamine HCl

75%

Dose

750 mg

Target

1000–1500 mg

Form

—

Methylsulfonylmethane

75%

Dose

750 mg

Target

1000–3000 mg

Form

—

Boswellia serrata extract

100%

Dose

300 mg

Target

300–1200 mg

Form

Budget

Chondroitin Sulfate

75%

Dose

600 mg

Target

800–1200 mg

Form

Standard

Other Ingredients (2)

Magnesium StearateLubricant

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

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

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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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