Garlic. Gingko Biloba. Cayenne tincture (also dissolves blood clots, but interestingly, many people use the powder to STOP bleeding).
Any of the NSAID medications (ibuprofen, naproxyn, etc) have blood thinning properties. Ginger is a potent blood thinner, as is turmeric.
Many fruits and some vegetables contain salicylate- basically, the same active ingredient as aspirin.
Hubby takes NSAIDS, plus gingko biloba daily for pain and Reynaud's syndrome. He has to stop taking it at least a week before any scheduled surgery, because if he gets nicked or cut, he bleeds like a bugger for a few minutes.
summerthyme