What is the strength in each capsule (are they capsules)?

The capsules are certified as 310 mg.of hops flowers. (They have 1 Gram carbohydrate per capsule.)

Is this the humulus lupulus form of hops?

Yes, the Hops is Humulus lupulus.

do these contain xanthohumol?

Hops Flowers is the whole herb form. This product contains the flowers that have been dried, then ground into a powder and placed in the capsule. The whole herb form is not a guaranteed potency. Potency can be affected by many factors like water and sunlight. This product is not standardized and we do not test for xanthohumol content.

Why is this product said to include lead?

We apologize for the confusion. All of Nature’s Way’s products comply with California Proposition 65 (Prop 65). Prop 65, the Safe Drinking Water and Toxic Enforcement Act of 1986, is a rule which states that any product containing specific ingredients associated with cancer or birth defects in amounts greater than specified by the state must have a warning label if sold in California. Our products are tested for lead to ensure they meet Prop 65 standards and should not have this warning associated with them.