The Ale of Health and Strength, by Viscount St. Albans.

Take Sassafras wood half an ounds, Sarsaparilla three ounces, white Saunders one ounce, Chamapition an ounce, China-root half an ounce, Mace a quarter of an ounce, cut the wood as thin as may be with a knife into small pieces, and bruise them in a Mortar; put to them these sorts of Herbs, (viz.) Cowslip flowers, Roman-wormwood, of each a handful, of Sage, Rosemary, Betony, Mugwort, Balm and Sweet-marjoram, of each half a handful, of Hops; boil all these in six gallons of Ale till it come to four; then put the wood and hearbs into six gallons of Ale of the second wort, and boil it till it comes to four, let it run from the dregs, and put your Ale together, and tun it as you do other purging Ale, &c.

Source: A Queen's Delight: Or, The Art of Preserving, Conserving and Candying, Nathaniel Brooke

Dr. Butler's Purging Ale

Take of Sarsaparilla two ounces, of Polypody of the Oak, and Sena, of each four ounces, Caraway seed, and Aniseed, of each half an ounce, Liquorish two ounces, Maidenhair, and Agrimony, of each one little handful, Scurvey half a bushel; beat all these grosly, and put them into a course Canvas Bag, and hang it into three gallons of strong Ale; when it is three days old drink it.

Source: The Queens Cabinet Opened: Or, The Pearle of Practice. Accurate, Physical and Chirurgical Receipts, Nathaniel Brooke