Nutricost Yohimbe Bark Extract capsules is standardized to 2% of Yohimbine Alkaloids (9mg) from 450mg of Yohimbe Bark Extract. Each bottle contains 120 Capsules. They are non-gmo, gluten free, and soy free. 450mg of Yohimbe Bark Extract Standardized to 2%... Nutricost Yohimbe Bark Extract capsules is standardized to 2% of Yohimbine Alkaloids (9mg) from 450mg of Yohimbe Bark Extract. Each bottle contains 120 Capsules. They are non-gmo, gluten free, and soy free. 450mg of Yohimbe Bark Extract Standardized to 2% Yohimbine Alkaloids (9mg) 120 Capsules of Yohimbe Bark Extract Per Bottle Non-GMO, Gluten Free, Soy Free Made in a GMP Compliant, FDA Registered Facility