Analysis Version
v1
History
Back to Study: Oral Administration of Polymer Hyaluronic Acid All...
correlational
Analysis v1
Strong Support

A study found that older Japanese adults with knee arthritis who took a specific type of hyaluronic acid pill and did daily thigh exercises felt better in their daily activities for the first 4 months, but the improvement went away after that—and people over 70 didn’t benefit at all.

54
Pro
0
Against

Evidence from Studies

Supporting (1)

54

Community contributions welcome

54

Oral Administration of Polymer Hyaluronic Acid Alleviates Symptoms of Knee Osteoarthritis: A Double-Blind, Placebo-Controlled Study over a 12-Month Period

Randomized Controlled Trial
Human
2012

The study found that taking a specific type of hyaluronic acid pill for 4 months helped older adults with knee pain feel better in daily life, but only if they were 70 or younger — and the benefit faded after 4 months. This matches exactly what the claim says.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Oral Administration of Polymer Hyaluronic Acid Alleviates Symptoms of Knee Osteoarthritis: A Double-Blind, Placebo-Controlled Study over a 12-Month Period

Score: 54
DOI: 10.1100/2012/167928

Similar Assertions

For older adults over 70 with knee arthritis, taking a daily hyaluronic acid pill and doing leg exercises didn’t make their knee pain or stiffness any better than taking a sugar pill over a year.

0
54
90%

Taking a daily pill of hyaluronic acid for a year doesn't seem to help people with knee arthritis avoid needing more pain meds or shots in the knee, compared to taking a sugar pill.

54
0
78%

Taking a daily pill of hyaluronic acid for a year doesn't seem to slow down the worsening of knee arthritis on X-rays, no matter how old you are or which group you were in during the study.

0
0
73%

A supplement helped Korean adults with mild knee or joint pain feel better and move more easily after 12 weeks—both the people taking it and their doctors noticed the improvement, and it worked better than a fake pill.

69
0
72%