For osteoarthritis, 80 milligram capsules of Hyal-Joint® (a natural chicken comb extract containing 60-70% hyaluronic acid) has been taken by mouth daily for eight weeks.
For dry eye syndrome, hyaluronic acid 0.2% (Hyalist%u2122) has been applied to the eye three or four times daily for 90 days.
For osteoarthritis, 20 milligrams of hyaluronic acid has been injected into the knee joint weekly for three weeks.
You should read product labels, and discuss all therapies with a qualified healthcare provider. Natural Standard information does not constitute medical advice, diagnosis, or treatment.