- There is no proven effective dose for cat's claw. Capsules, extracts, tinctures, decoctions, and teas are commercially available. As a capsule, 250-1,000 milligrams has been taken by mouth in divided doses, one to three times daily or 500-600 milligrams once daily. Up to 25 grams of the raw bark has been used in decoctions, although this is based on traditional dosing practices.
- Cat's claw is also available in preparations for the skin, but no specific doses have been shown to be safe or effective.
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