Natural Factors, Natural Factors, Glucosamine Sulfate, 500 mg, 360 Capsules

Name: Natural Factors, Glucosamine Sulfate, 500 mg, 360 Capsules
Brand: Natural Factors
Rating: 4.7 (603 reviews)

Natural Factors, Glucosamine Sulfate, 500 mg, 360 Capsules — product photo 1

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Scored for

Outcome alternatives

Natural Factors360 count • 360 servingsAvailable now$23.91$0.07 / serving4.7 · 603 ratings

17−73 pts from leader

#1995 of 7728 ranked for joint painLeader · California Gold Nutrition, California Gold Nutrition, Sport, Joint Health with MSM, Glucosamine HCL, Chondroitin Sulfate, Turmeric and Boswellia, 90 Veggie Capsules — 90

Why this ranks #1995 for joint pain

Evidence fitGlucosamine Sulfate is the strongest evidence signal for this outcome.
Dose fitGlucosamine Sulfate at 500 mg sits below the studied 1000-1500 mg window.
Price / serving$0.07 per serving — low price tier for this outcome.
AvailabilityIn stock across major retailers; 99% availability confidence.
TrustMixed trust signals — ratings are positive but the base is limited.

Trade-offsDose fit is the weak spot on this listPopularity trails the other picks here

The numbers · Joint pain

What's inside

500 mgBelow rangebelow the studied 1000-1500 mg window

Retailer links may be affiliate links. Rankings and placement are not paid placement.

Open at iHerb

Market trends

Price and daily demand history · last 10 crawls

$26.57+0% vs avg

Jul 18Jul 5

n/a

Not enough data.

Rating history

Rating quality and social-proof history · last 10 crawls

4.70 / 5+0% vs avg

Jul 18Jul 5

603+4% vs avg

Jul 18Jul 5

By outcome

vs overall leader for each ranked outcome — open any outcome to see its ranked alternatives.

4 outcomes

Show alternatives

Joint painScoring−73 pts from leader

Product 17Leader 90

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Joint stiffness−78 pts from leader

Product 11Leader 89

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Joint function−86 pts from leader

Product 5Leader 91

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Disease progression−64 pts from leader

Product 3Leader 67

Showing the top 4 of 4 ranked outcomes.

What buyers report

Review Intelligence

4.7/ 5.0 · 603 reviews

Neutral read

“Customers highly praise the Glucosamine capsules for their effectiveness in improving joint health and reducing pain, particularly in knees and ankles. Many users report noticeable improvements in flexibility, mobility, and overall comfort after consistent use. The product is especially beneficial for older adults, with several customers buying it for their elderly parents who have experienced significant relief from joint and nerve pain. The quality of ingredients is frequently highlighted as excellent, with no unpleasant taste or smell, making the capsules easy to consume. Users appreciate the competitive pricing and reliable service from iHerb. The large package size (360 capsules) is also noted as a good value. Overall, this supplement is considered an essential part of many customers' routines for maintaining joint health.”

Highlights

Works great

Natural factors

Convenient packaging

Less painful

Doctor recommended

Reliable company

Joint improvement

Useful product

Joint pain

Observations

Effective support

Concerns

No concerns surfaced yet