Milk Thistle and/or Liv52 for your liver.
Fish oils are also essential since they reduce inflammation, promote joint health by increasing lubrication, which is a must while cutting IMO.
Q Enzyme CO-10, the strongest antioxidant known to men, too many longevity properties to list here, intake should be anywhere between 200-400mg ED, preferably on empty stomach before going to bed.
Baby aspirin (1 serving before bed), again for longevity purposes. Thins blood, promotes better circulation of blood, reduces inflammation in blood vessels caused by both AAS use and lifting, the cheapest yet possibly the most effective supp. while on cycle.