European willow bark

Reported Uses

• NOTE: see Herb & Supplement Effectiveness Rating Definitions table
• ankylosing spondylitis [Insufficient Evidence]
• back pain [Possibly Effective]
• common cold [Insufficient Evidence]
• dysmenorrhea [Insufficient Evidence]
• gout [Insufficient Evidence]
• headache [Insufficient Evidence]
• influenza [Insufficient Evidence]
• joint pain [Insufficient Evidence]
• myalgia [Insufficient Evidence]
• obesity [Insufficient Evidence]
• osteoarthritis [Insufficient Evidence]
• rheumatoid arthritis [Insufficient Evidence]

Reported Doses

Safety/efficacy may not be established; reported doses may be derived from limited or potentially inadequate studies w/ variable regimens, multi-ingredient products, or where concentration of active ingredients may vary widely

Effectiveness Ratings

[see Herb & Supplement Effectiveness Rating Definitions table]

Special Note

[formulation clarification]

Info: products generally stdzd to salicin content

back pain

[Possibly Effective]

Dose: 120-240 mg salicin PO qd

joint pain

[Insufficient Evidence]

Dose: 250 mg/day willow bark extract PO divided tid; Info: stdzd to 15% salicin

osteoarthritis

[Insufficient Evidence]

Dose: 120-240 mg salicin PO qd