Our natural birch bark extract comes only from the outer bark of the North American birch tree and is standardized for >98% Triterpene content consisting of mostly:

· Betulin
· Betulinic Acid
· Lupeol
· Betulin Caffeate

Each bottle contains 60 capsules with 150mg of birch bark extract per capsule. Recommended daily dosage is 1-2 capsules so each bottle provides 1-2 months of supplementation.