That depends on what you're using Milk Thistle for:


 A quarterly detox?

Use for 1 week every 3 months

After monthly heartworm preventatives?

Start 2 days before and continue for 2-3 days after treatment.

After prescribed medications?

Start 2 days before and continue use until 2-3 days after the medication is discontinued.

After flea & tick application?

Collar
Use continuously as long as the collar is on.

Oral
Start 2 days before and continue for 2 to 3 days after

Topical
Use for 7 days after the time of application



After vaccinations?

Start 2 days before and continue for 2-3 days after

For allergy sufferers?

Seasonal
Start (with Herbsmith Clear AllerQi & Herbsmith Glimmer) two to three months prior and continue two months after allergy season.

Year-Round
Use Milk Thistle (with Herbsmith Clear AllerQi & Herbsmith Glimmer) daily until allergies are resolved.