White Willow Bark

A traditional remedy for pain and inflammation, containing salicin, the natural precursor to aspirin.

Also known as: Salix alba

other Names
Salix alba
primary Benefits
Relieves pain, reduces inflammation, lowers fever
common Dose
Extract standardized to 120-240 mg of salicin per day
best Form
Standardized extract in capsules or tablets
timing
Can be taken with food to reduce stomach upset
safety Rating
Generally safe for short-term use, but can cause stomach upset

Overview

White willow bark is the bark of the willow tree and has been used for centuries to relieve pain and fever. It contains a compound called salicin, which is chemically similar to aspirin. In the body, salicin is converted to salicylic acid, which has anti-inflammatory and analgesic effects. White willow bark is often used as a natural alternative to aspirin for conditions like back pain, headaches, and osteoarthritis.

Key Benefits

Relieves Pain

White willow bark is effective in relieving various types of pain, including back pain, headaches, and menstrual cramps.

Reduces Inflammation

The salicin in white willow bark has anti-inflammatory properties that can help to reduce inflammation associated with conditions like arthritis.

Alleviates Fever

Traditionally, white willow bark has been used to lower fever.

Dosage & How to Take

The dosage of white willow bark is based on the amount of salicin in the extract. It is important to use a standardized product to ensure a consistent dose.

PurposeDoseNotes
Pain ReliefExtract providing 120-240 mg of salicin per dayCan be divided into two or three doses.
OsteoarthritisExtract providing 240 mg of salicin per dayMay take several weeks to see full benefits.

Best Time to Take

Best taken with food to minimize the risk of stomach irritation.

With or Without Food

Recommended to be taken with food.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Standardized Extract (Capsules/Tablets)HighEnsuring a therapeutic and consistent dose of salicin.The most common and reliable form.
TeaLowMild pain relief and for historical use.The concentration of salicin can be variable.

Side Effects & Safety

Common

  • Stomach upset
  • Nausea
  • Heartburn

Rare

  • Allergic reactions (especially in those with aspirin allergy)
  • Reye's syndrome in children

Contraindications

  • Should not be used by individuals with an allergy to aspirin or other salicylates.
  • Not recommended for children or teenagers due to the risk of Reye's syndrome.
  • Pregnant or breastfeeding women should avoid use.

Interactions

Blood thinners (e.g., Warfarin, Aspirin)Important

May increase the risk of bleeding.

Nonsteroidal anti-inflammatory drugs (NSAIDs)Moderate

May increase the risk of stomach irritation and bleeding.

Scientific Research

2001Rheumatology

Treatment of low back pain with a herbal or a conventional analgesic: a randomized controlled trial.

White willow bark extract was as effective as a conventional analgesic in relieving low back pain.

2001Phytomedicine

Efficacy and tolerability of a standardized willow bark extract in patients with osteoarthritis: randomized, placebo-controlled, double blind clinical trial.

Willow bark extract was superior to placebo in the treatment of osteoarthritis.

Food Sources

Products With White Willow Bark

1 product in our database contains this ingredient

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.